China Products List
ER410 stainless steel gas shielded solid welding wire
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:MG410 Stainless Steel Gas Shielded Solid WireGB/T 29713 S410 AWS A5.9 ER410 ISO 14343-A-G (13)Application:Suitable for welding 1Cr13, commonly used in fields such as hydropower.Characteristics:13Cr martensitic stainless steel mixed gas shielded MIG wire with excellent welding process performance, stable arc, minimal spatter, good wire feedability, aesthetically pleasing weld formation, and good crack resistance. Ideal for welding in wear-resistant and corrosion-resistant applications.Polarity:Direct current electrode positive (DCEP)Shielding Gas:0.5%~5% CO2 + Ar; 0.5%~3% O2 + ArWire Chemical Composition (%)Test Item
C
Mn
Si
Cr
Ni
Mo
P
S
Cu
Guaranteed Value
≤0.12
≤0.60
≤0.50
11.50~13.50
≤0.60
≤0.75
≤0.030
≤0.030
≤0.75
Example Value
0.080
0.41
0.30
11.83
0.19
0.35
0.021
0.011
0.33
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ERTi-3 titanium welding wire exported titanium welding wire
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:NameERTi-3 Titanium Welding Wire, Titanium Straight Wire, Titanium Alloy Welding WireGradeTA1, TA2, TA3, TA4, TA7, TA8, TA9, TA10, TA18, TC3, TC4, Ti80ATA1 ELI, TA2 ELI, TA3 ELI, TA4 ELI, TA8 ELI, ER TA1 ELI, ER TA2 ELI, ER TA3 ELI, ER TA4 ELI, ER TA7 ELI, ER TA9, ER TA10, ER TC4 ELI, ERTi-1, ERTi-2, ERTi-3, ERTi-4, ERTi-5, ERTi-7, ERTi-9, ERTi-12, ERTi-18, ERTi-23Execution StandardASTM B863, AWS A5.16, GB/T3623, GB/T30562, NB/T47018.7Supply Specifications0.4~6.0mm x L, Straight Wire, Natural Coil, Wound Coil (D100/D300)Supply Surface-1). Black Surface (with oxide scale)-2). Pickled Surface (peeled, oxide removed)-3). Polished SurfaceSupply Condition-1). M (Annealed Condition)-2). R (Hot Drawn)-3). Y (Cold Worked Condition, Hard State)Material Characteristics-1). Good toughness, low density, lightweight-2). Excellent performance, superior acid and alkali resistance, corrosion resistance, fatigue resistance.Titanium does not corrode in seawater, wet chlorine, chlorite and hypochlorite solutions, nitric acid, chromic acid, metal chlorides, sulfur, and organic acids.-3). Good heat resistance, melting point 1668 + 4°C, boiling point 3535°C) -4). Low-temperature resistance down to -196°C to -253°C, maintaining good ductility and toughness, avoiding metal cold brittleness.Application FieldsAerospace, power energy, military defense, 3D printing, petroleum, chemical, automotive, construction, jewelry, medical industries, etc.Aircraft, ships, natural gas, automobiles, corrosion-resistant containers, reactors, heat exchangers, various pumps and valves, boilers, turbine blades, etc.Packaging Type1- Straight Wire: 5kg/bag/plastic box,2- Wound Coil: 0.8kg/coil, 1kg/coil, 10kg/coil,3- Natural Coil: 20~80kg/coil4- According to customer requirements
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TG309 stainless steel TIG welding wire
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:Application:Suitable for welding Cr24Ni13, commonly used in petrochemical, thermal power, and other fields.Characteristics:24Cr-13Ni austenitic stainless steel TIG welding wire with pure argon gas protection. Excellent welding process performance, stable arc, no spatter, aesthetically pleasing weld formation, good crack resistance. Suitable for welding martensitic and pearlitic stainless steels with poor toughness.Polarity:Direct current electrode negative (DC-)Shielding Gas:100% ArChemical Composition of Welding Wire (%)Test Item
C
Mn
Si
Cr
Ni
Mo
P
S
Cu
Guaranteed Value
≤0.12
1.00~2.50
0.30~0.65
23.00~25.00
12.00~14.00
≤0.75
≤0.030
≤0.030
≤0.75
Example Value
0.06
2.05
0.34
23.83
13.26
0.04
0.020
0.011
0.06
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TG316LHR stainless steel TIG welding wire
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:Application:Suitable for welding critical structures in the nuclear power industry using the 022Cr17Ni12Mo2 series.Characteristics:Ultra-low carbon 18Cr-12Ni-2Mo austenitic stainless steel TIG welding wire with pure argon gas protection. Excellent welding process performance, stable arc, no spatter, aesthetically pleasing weld formation, and good crack resistance.Polarity:Direct current electrode negative (DC-)Shielding Gas:100% ArChemical Composition of Welding Wire (%)Test Item
C
Mn
Si
Cr
Ni
Mo
P
S
Cu
Guaranteed Value
≤0.030
1.00~2.50
0.30~0.65
18.00~20.00
11.00~14.00
2.00~3.00
≤0.020
≤0.015
≤0.75
Example Value
0.025
1.70
0.54
18.55
11.52
2.28
0.015
0.002
0.08
Mechanical Properties of Deposited MetalTest Item
Rm (MPa)
A (%)
Inspection
Guaranteed Value
≥510
≥25
I
Example Value
605
36
I
Intergranular Corrosion of Deposited Metal:GB/T 4334 Method E: Qualified
Ferrite Number (FN) of Deposited Metal:6
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TG316 stainless steel TIG welding wire
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:用途:適用于06Cr17Ni12Mo2的焊接,常見應(yīng)用領(lǐng)域?yàn)槭突?、工程機(jī)械等。特性:19Cr-12Ni-2Mo奧氏體不銹鋼純氬氣體保護(hù)TIG焊絲,焊接工藝性優(yōu)良,電弧穩(wěn)定、無飛濺,焊縫成型美觀,抗裂性好,適用于醋酸、亞酸、磷酸及鹽類服役環(huán)境的焊接。電源極性:直流正接(DC-)保護(hù)氣體:100%Ar焊絲化學(xué)成分(%)試驗(yàn)項(xiàng)目CMnSiCrNiMoPSCu保證值≤0.081.00~2.500.30~0.6518.00~20.0011.00~14.002.00~3.00≤0.030≤0.030≤0.75例值0.041.710.4518.5411.502.180.0180.0090.08
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F357 aluminum alloy welding wire
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:F357 Aluminum Alloy Welding Wire: A Premium Choice in Aluminum Alloy WeldingWith the continuous advancement of aluminum alloy welding technology, the selection of filler materials plays a crucial role in determining welding quality. As a standout product in this field, F357 aluminum alloy welding wire holds a significant position in aluminum alloy welding operations across multiple industries due to its excellent performance and broad applicability, making it the preferred material for many welding engineers and technicians.I. Basic Positioning and Application Scope of F357 Aluminum Alloy Welding WireF357 aluminum alloy welding wire is a filler material specifically designed for aluminum alloy welding, with a clearly defined scope of application. Within the aluminum alloy material system, it exhibits extremely high compatibility with the 6000 series aluminum alloys (such as 6061 and 6063), making it an ideal choice for welding this series. The 6000 series aluminum alloys are widely used in the manufacturing of various structural components due to their good machinability, moderate strength, and excellent corrosion resistance. F357 aluminum alloy welding wire perfectly meets their welding requirements, ensuring the overall performance of the welded structural parts. Additionally, F357 aluminum alloy welding wire can also be used for welding some 5000 series aluminum alloys, further expanding its application range and providing more possibilities for welding different types of aluminum alloy components.II. Core Characteristics of F357 Aluminum Alloy Welding Wire(I) Scientifically Rational CompositionF357 aluminum alloy welding wire belongs to the Al-Mg-Si series, with its composition carefully designed. Magnesium and silicon are its core components, and their synergistic interaction endows the welding wire with excellent welding performance and mechanical properties. Magnesium enhances the strength and toughness of the welding wire, improving the crack resistance of the weld, while silicon improves the fluidity of the molten pool, resulting in a more aesthetically pleasing weld formation. Furthermore, depending on practical application needs, small amounts of elements such as copper and iron may be added to F357 aluminum alloy welding wire. The addition of copper further increases the strength of the weld, while iron helps refine the grain structure, enhancing the overall quality of the weld and ensuring stable performance in various welding scenarios.(II) Exceptional Welding PerformanceDuring the welding process, F357 aluminum alloy welding wire demonstrates outstanding performance. First, its arc stability is excellent; whether using TIG (Tungsten Inert Gas) welding or MIG (Metal Inert Gas) welding processes, it maintains a consistently stable arc, avoiding welding defects caused by arc instability. Second, the molten pool exhibits good fluidity, ensuring uniform distribution of molten metal in the welding area, fully filling the weld gap, and effectively reducing issues such as lack of penetration and lack of fusion. At the same time, the weld formation is aesthetically pleasing, with a smooth and flat surface after welding, reducing the need for subsequent grinding and other processes. Additionally, there is minimal spatter during welding, which not only reduces material waste but also keeps the welding environment clean and minimizes contamination of welding equipment and workpieces. Most importantly, the weld is less prone to defects such as cracks after welding, significantly improving the reliability and safety of the welded joint.(III) Excellent Mechanical PropertiesThe mechanical properties of the weld directly impact the service life and safety performance of the welded structural components. The weld formed by F357 aluminum alloy welding wire exhibits high strength, meeting the strength requirements of most aluminum alloy structures under load, ensuring that the components are less likely to deform or fracture during long-term use. Additionally, the weld possesses good plasticity and toughness, allowing it to absorb energy through deformation when subjected to external impact or vibration, reducing the risk of brittle fracture. This combination of excellent mechanical properties enables components welded with F357 aluminum alloy welding wire to adapt to various working environments, maintaining stable performance under both static and dynamic loads.III. Broad Application Scenarios of F357 Aluminum Alloy Welding WireThanks to its outstanding performance, F357 aluminum alloy welding wire is widely used in several critical fields. In the aerospace industry, aluminum alloy is a key material for manufacturing critical structures such as aircraft fuselages, wings, and engine components. F357 aluminum alloy welding wire meets the stringent requirements for welding quality in aerospace products, ensuring the safe and reliable operation of aircraft in complex high-altitude environments.In the automotive manufacturing industry, with the continuous advancement of lightweighting concepts, aluminum alloy is increasingly used in components such as car bodies, frames, and chassis. F357 aluminum alloy welding wire is used for welding these aluminum alloy parts, ensuring welding strength while reducing vehicle weight, improving fuel economy and range, aligning with the trends of modern automotive industry development.The rail transportation sector is also a key application area for F357 aluminum alloy welding wire. High-speed trains, subways, and other rail transit vehicles often use aluminum alloy for their bodies, and welding quality directly affects operational safety and comfort. F357 aluminum alloy welding wire enables high-quality welding of body components, ensuring structural stability during long-term high-speed operation.In shipbuilding, aluminum alloy is used for manufacturing superstructures, decks, and other components due to its lightweight and corrosion resistance in seawater. Welds made with F357 aluminum alloy welding wire effectively resist seawater erosion, extending the service life of ships and reducing maintenance costs.Additionally, in architectural decoration, F357 aluminum alloy welding wire is commonly used for welding components such as aluminum alloy doors, windows, and curtain walls. The welded components are not only aesthetically pleasing but also ensure sufficient strength and durability, meeting the dual requirements of appearance and performance in architectural decoration.IV. Key Points for Using F357 Aluminum Alloy Welding WireTo fully leverage the performance advantages of F357 aluminum alloy welding wire and ensure welding quality, the following points must be noted during use. First, the selection of welding processes and parameters is critical. Different welding processes (such as TIG and MIG welding) and factors like the thickness and structure of the materials being welded influence the setting of welding parameters. Before actual welding, tests and adjustments should be conducted based on specific conditions to determine optimal parameters such as welding current, voltage, and welding speed, ensuring stable welding processes and high-quality welds.Second, pre-weld cleaning cannot be overlooked. Aluminum alloy surfaces are prone to forming oxide films and may be contaminated with oil and other impurities, which can severely affect welding results, leading to defects such as porosity and slag inclusion. Therefore, before welding, appropriate methods (such as mechanical or chemical cleaning) must be used to remove oxide films and oil from the workpiece surface, ensuring a clean welding area.Additionally, protective measures during welding must be adequate. Since aluminum alloy is prone to oxidation at high temperatures, inert gases (such as argon) must be used to protect the welding area, preventing oxidation of the molten metal upon contact with air and ensuring the chemical composition and mechanical properties of the weld.V. Comparative Advantages of F357 Aluminum Alloy Welding Wire Over Other Similar WiresIn the aluminum alloy welding wire market, there are various types of welding wire products. Compared to other similar wires, F357 aluminum alloy welding wire offers distinct advantages. Compared to some ordinary Al-Mg series welding wires, F357 aluminum alloy welding wire, with its added silicon content, provides better molten pool fluidity, more aesthetically pleasing weld formation, and improved weld strength and corrosion resistance. Compared to some high-copper-content aluminum alloy welding wires, F357 aluminum alloy welding wire offers superior welding processability, better arc stability, and excels in scenarios requiring high corrosion resistance. Furthermore, F357 aluminum alloy welding wire is relatively cost-effective, ensuring high-quality welding results while effectively controlling welding costs, delivering better economic benefits for enterprises.VI. Future Development Trends of F357 Aluminum Alloy Welding WireWith the expanding application range of aluminum alloy materials and continuous advancements in welding technology, F357 aluminum alloy welding wire will also encounter new development opportunities. In the future, on one hand, researchers will further optimize the composition design of F357 aluminum alloy welding wire by adjusting element content and adding new alloying elements to continuously improve its mechanical properties, welding performance, and corrosion resistance, meeting more complex and stringent welding demands. On the other hand, for special application scenarios in different industries, more specialized F357 aluminum alloy welding wire products will be developed, enabling customized production of welding wires and enhancing their applicability in specific fields. Simultaneously, with the development of intelligent welding technology, F357 aluminum alloy welding wire will better adapt to intelligent welding equipment, achieving automated control of the welding process and online quality monitoring, further improving welding efficiency and the stability of welding quality.In summary, F357 aluminum alloy welding wire, with its scientifically designed composition, exceptional performance, broad application scope, and excellent cost-effectiveness, stands as a premium choice in the field of aluminum alloy welding. In future developments, it will continue to play a vital role, providing strong support for the advancement of aluminum alloy welding technology and the improvement of product quality across various industries.
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Ag20 Silver Solder Strip 20% Silver Welding Wire for Pipe Connections, Custom Orders Supported
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description: Uses of Ag20 Silver Solder Strip:Ag20 silver solder strip is primarily used for welding metal materials such as stainless steel and copper. It is suitable for various applications requiring high electrical and thermal conductivity, such as connections in electronic devices, pipeline joints, and soldering of electrical components. The main component of Ag20 silver solder strip is silver, with a silver content of 20%. Additionally, it may contain other metal components, such as copper and zinc, to improve its welding performance and application range.<img src="https://img-i-album.toocle.com/view/2025/05/21/74/682d7e9517674.png" style="max-width:100%;"/>
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Low alloy steel welding rod J556NH
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:Low Alloy Steel Welding ElectrodeJ556NH Conforms to: GB/T 5117-2012 E5516-G Equivalent to: AWS A5.5 E8016-GDescription: J556NH is a low-hydrogen potassium-type flux-coated electrode specifically designed for low-alloy fire-resistant and weather-resistant steel. It can be used with both AC and DC power sources. The deposited metal exhibits high strength, high toughness, and excellent fire resistance and weather resistance. It offers excellent welding performance with minimal spatter, aesthetically pleasing weld bead formation, easy slag removal, and supports all-position welding.Application: Used for welding high-performance fire-resistant and weather-resistant structural steels, such as WGJ510C2.<img src="https://img-i-album.toocle.com/view/2025/05/28/80/6836c43f87f80.png" style="max-width:100%;"/><img src="https://img-i-album.toocle.com/view/2025/05/28/a1/6836c458a1da1.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/05/28/97/6836c45e97d97.png" style="max-width: 100%;"/>
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TA1 Pure Titanium Welding Wire
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:<img src="https://img-i-album.toocle.com/view/2025/06/05/7e/68410826cac7e.png" style="max-width:100%;"/>
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Hardfacing Electrode D126/D127
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:GB/T 984 EDPMn4-16 GB/T 984 EDPMn4-15Application:Suitable for surfacing or repairing worn surfaces of low-carbon steel, medium-carbon steel, and low-alloy steel, such as axles, gears, driving wheels, mixer blades, etc.Characteristics:D126 is a Mn-type surfacing electrode with a low-hydrogen potassium-type coating; D127 is a Mn-type surfacing electrode with a low-hydrogen sodium-type coating.Power Polarity:D126: AC, DC reverse polarity (AC, DC+); D127: DC reverse polarity (DC+)Chemical Composition of Deposited Metal (%)Test ItemCMnTotal Other ElementsGB/T Standard≤0.20≤4.50≤2.00Example Value0.103.80——Hardness of Surfacing MetalTest ItemHRC (4 layers or more)GB/T Standard≥30Reference CurrentElectrode Specification (mm)Φ3.2Φ4.0Φ5.0Welding Current (A)90~130120~170160~210Welding Process Key Points:1. Drying requirement: Electrodes must be baked at 300~350°C for 1 hour before use and used immediately after baking.2. For large workpieces, preheating to around 300°C is recommended before welding, and the surface to be surfaced should be cleaned of rust and oil stains.
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4A04 Aluminum Alloy Welding Wire
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:I. Core Characteristics of 4A04 Aluminum Alloy Welding Wire4A04 aluminum alloy welding wire belongs to the 4xxx series aluminum-silicon alloy welding wires, with silicon as the primary alloying element (content typically between 4.5%-6.0%) and a small amount of magnesium (approximately 0.1%-0.3%). This composition provides a good balance between mechanical properties, weldability, and corrosion resistance, making it one of the preferred materials for welding medium to low-strength aluminum alloys.In terms of mechanical properties, 4A04 aluminum alloy welding wire offers moderate tensile strength and excellent toughness. The tensile strength of its welded joints typically ranges between 180-220 MPa. Although this is lower than that of high-strength 5xxx or 6xxx series welding wires, it fully meets the requirements for non-load-bearing or medium to low-load components, such as decorative structures and lightweight mechanical parts. Its outstanding toughness is a key advantage—welds can absorb energy through deformation under impact, vibration, or low-temperature conditions, reducing the risk of brittle fracture. This makes it particularly suitable for applications involving dynamic loads, such as connecting parts in small agricultural machinery or load-bearing structures in household appliances. Additionally, this welding wire does not require complex heat treatment and can be used after natural aging, simplifying production processes and reducing manufacturing costs.In terms of weldability, 4A04 aluminum alloy welding wire performs exceptionally well. Firstly, it exhibits excellent molten pool fluidity. The appropriate addition of silicon ensures that the molten pool spreads evenly during welding, enabling smooth weld formation even in simple groove or thin sheet lap joints. This effectively reduces defects such as lack of fusion and weld beads, with moderate weld reinforcement minimizing the need for subsequent grinding. Secondly, it demonstrates outstanding resistance to hot cracking. In aluminum alloy welding, hot cracking is closely related to solidification shrinkage stress and the precipitation of low-melting-point eutectics. By optimizing the silicon-magnesium ratio, 4A04 aluminum alloy welding wire slows the solidification rate of the molten pool, reduces shrinkage stress, and inhibits the concentrated precipitation of low-melting-point phases. When welding aluminum-silicon cast aluminum or wrought aluminum, the incidence of hot cracking is significantly lower compared to ordinary pure aluminum welding wires. Furthermore, this welding wire is tolerant of variations in welding parameters; even with minor fluctuations in current and voltage, it maintains arc stability, reducing the skill level required for operators and making it suitable for mass production or novice use.In terms of corrosion resistance, welded joints of 4A04 aluminum alloy welding wire form a dense oxide film that effectively resists erosion from atmospheric conditions, freshwater, and mildly corrosive neutral media. In indoor environments, dry outdoor settings, or non-industrial polluted areas, no additional anti-corrosion treatment is required for long-term use. For mildly humid environments (e.g., aluminum alloy components near kitchens or bathrooms), simple surface passivation or painting can further enhance corrosion resistance and extend the service life of the components. Currently, 4A04 aluminum alloy welding wire is available in diameters ranging from 0.8 mm to 3.2 mm, meeting the needs of both precision welding of ultra-thin sheets (0.3-1 mm) and conventional welding of medium-thin sheets (1-8 mm), supporting diverse applications in light industry and general machinery.II. Typical Application Scenarios of 4A04 Aluminum Alloy Welding WireLeveraging its performance advantages, 4A04 aluminum alloy welding wire is widely used in light industry, agricultural machinery manufacturing, household appliances, and small machinery, particularly demonstrating significant adaptability in welding and repairing medium to low-strength aluminum alloys.(I) Welding and Repair of Aluminum-Silicon Cast Aluminum ComponentsAluminum-silicon cast aluminum (e.g., low-silicon cast aluminum like ZL101 and ZL102 with silicon content of 4%-8%) is widely used in agricultural machinery parts (e.g., gearbox housings, pump impellers), small motor end covers, and household appliance bases. Such cast aluminum components are prone to defects like porosity and shrinkage during casting, necessitating welding repairs. Additionally, the assembly of small cast aluminum components relies on reliable welding materials. The silicon content of 4A04 aluminum alloy welding wire closely matches that of these cast aluminum materials, ensuring good metallurgical bonding during welding. Its excellent molten pool fluidity allows it to fill defects effectively, while its resistance to hot cracking prevents new cracks from forming during repairs. For example, in agricultural machinery maintenance, using 4A04 welding wire to repair porosity defects in ZL101 cast aluminum pump impellers enables the impellers to meet the water pressure requirements for farmland irrigation. In small motor manufacturing, using this welding wire to assemble ZL102 cast aluminum end covers ensures sealing and coaxiality, preventing oil leakage or vibration issues during operation.(II) Welding of Ultra-Thin and Medium-Thin Aluminum Alloy SheetsIn light industry and household appliances, ultra-thin aluminum alloy sheets (e.g., 0.3-1 mm thick 1050 and 1060 pure aluminum sheets) and medium-thin aluminum alloy sheets (e.g., 1-8 mm thick 3003 anti-rust aluminum sheets and 4A01 aluminum-silicon sheets) are widely used for product housings, decorative parts, and structural supports. The core requirements for welding such components are controlling deformation, ensuring smooth welds, and avoiding burn-through. The small diameter specifications of 4A04 aluminum alloy welding wire (0.8-1.2 mm) are suitable for the low heat input required for ultra-thin sheets, resulting in a small heat-affected zone and minimizing warping deformation. Its excellent molten pool fluidity ensures smooth weld formation, reducing the need for extensive grinding to meet appearance requirements. For example, when welding 0.5 mm thick 1060 pure aluminum sheets for household oven housings, using 0.8 mm diameter 4A04 welding wire prevents burn-through or deformation while achieving smooth and aesthetically pleasing welds. In small shelf manufacturing, using 1.6 mm diameter 4A04 welding wire to weld 3 mm thick 3003 anti-rust aluminum brackets ensures connection strength and corrosion resistance suitable for indoor storage needs.(III) Manufacturing of Non-Load-Bearing Aluminum Alloy Structural ComponentsIn general machinery, electronic equipment, and decorative industries, many non-load-bearing aluminum alloy structural components (e.g., cover plates for mechanical housings, heat dissipation brackets for electronic devices, aluminum alloy trim for interior decoration) only require structural connection without bearing significant loads. The moderate strength and excellent toughness of 4A04 aluminum alloy welding wire meet the connection needs of such components while avoiding weld embrittlement caused by excessively high-strength welding wires. For example, in small printer manufacturing, using 4A04 welding wire to weld aluminum alloy heat dissipation brackets ensures that the brackets can secure heat sinks and withstand minor impacts during transportation without breaking. In interior decoration, using this welding wire to weld aluminum alloy decorative trim results in minimal color difference between the weld and base metal, with good toughness preventing cracks during installation or use due to collisions.(IV) Dissimilar Welding of 1xxx Series Pure Aluminum and Low-Alloy Aluminum Alloys1xxx series pure aluminum (e.g., 1050 and 1070 with purity above 99.5%) is commonly used for aluminum foil, ultra-thin sheets, and conductive parts, while low-alloy aluminum alloys (e.g., 3003 anti-rust aluminum and 5005 decorative aluminum) are widely used in daily hardware and lightweight structures. The core challenge in dissimilar welding of these materials (e.g., welding 1050 pure aluminum to 3003 anti-rust aluminum) is the uneven joint performance due to compositional differences. 4A04 aluminum alloy welding wire has strong compositional compatibility, forming good bonds with pure aluminum while meeting the performance needs of low-alloy aluminum. The mechanical properties and corrosion resistance of the welded joints satisfy usage requirements. For example, in aluminum foil container manufacturing, using 4A04 welding wire to weld 1050 pure aluminum foil to 3003 anti-rust aluminum edges ensures container sealing and corrosion resistance, preventing leakage when holding food. In conductive part manufacturing, using this welding wire to weld 1070 pure aluminum conductive sheets to 3003 aluminum brackets balances electrical conductivity and connection strength, meeting the electrical safety requirements of electronic devices.III. Scientific Selection Method for 4A04 Aluminum Alloy Welding WireWhen selecting 4A04 aluminum alloy welding wire, consider factors such as base metal type, welding process requirements, and application scenario needs to ensure precise matching with actual working conditions, guaranteeing quality while controlling costs.(I) Core Principle: Match Base Metal Composition and Strength RequirementsThe primary consideration is to confirm the base metal type and strength requirements. For aluminum-silicon cast aluminum (silicon content 4%-8%), 1xxx series pure aluminum, or low-alloy aluminum alloys (3xxx and 5005 series), 4A04 aluminum alloy welding wire is an ideal choice due to its strong compositional compatibility, ensuring stable joint performance. If the base metal is a high-strength aluminum alloy (e.g., 5xxx, 6xxx, or 7xxx series) and needs to bear significant loads, 4A04 welding wire is not recommended, as its tensile strength may be insufficient, leading to joint failure. Additionally, refine the selection based on the component's strength requirements: for non-load-bearing structures (e.g., decorative parts, cover plates), standard 4A04 welding wire is sufficient; for components subjected to mild dynamic loads (e.g., agricultural machinery connecting parts, small motor brackets), choose high-purity 4A04 welding wire with low impurity content (iron and copper content TIG Welding (Tungsten Inert Gas Welding): Often used for ultra-thin sheets (0.3-1 mm), precision welding (e.g., electronic device components, aluminum foil containers), or scenarios requiring high weld appearance quality. Due to the low heat input of TIG welding, small-diameter 4A04 welding wire (0.8-1.6 mm) is needed to ensure stable melting and control molten pool temperature, preventing burn-through of ultra-thin sheets. For example, when welding 0.5 mm thick 1050 pure aluminum foil, use 0.8 mm diameter welding wire with a welding current of 30-60 A to achieve precise welding without burn-through or deformation. When welding 2 mm thick 3003 anti-rust aluminum sheets, use 1.2 mm welding wire with a current adjusted to 60-90 A to ensure smooth weld formation.?MIG Welding (Metal Inert Gas Welding): Suitable for medium-thin sheets (1-8 mm) and mass production scenarios (e.g., household appliances, agricultural machinery parts). MIG welding is efficient and requires welding wire with a diameter of 1.2-3.2 mm, paired with appropriate welding current (80-200 A), to ensure sufficient penetration. For example, when welding 5 mm thick 4A01 aluminum-silicon sheets, use 1.6 mm welding wire with a current of 120-150 A. When welding 8 mm thick ZL101 cast aluminum components, use 2.4 mm welding wire with a current adjusted to 160-190 A, and adjust the number of welding layers based on component thickness to avoid lack of penetration defects.(III) Optimize Selection Based on Application ScenarioDifferent application scenarios have varying needs, requiring further refinement in the selection of 4A04 aluminum alloy welding wire:?Cost-Sensitive Scenarios (e.g., mass-produced household appliances, low-cost agricultural machinery parts): Prioritize standard specifications (1.2-1.6 mm) of 4A04 welding wire, as these are produced in large quantities and are low-cost. Opt for bulk packaging (e.g., 15 kg/roll) to reduce unit procurement costs. For welding ultra-thin sheets, choose 0.8 mm specification paired with standard purity argon (99.9%), avoiding the need for high-purity argon to further control gas costs.?Novice Operation or Simple Repair Scenarios (e.g., small DIY projects, home repairs): Choose 1.0-1.2 mm diameter 4A04 welding wire, as it is tolerant of parameter variations, ensuring basic welding quality even with improper current or voltage control, reducing waste. This specification also feeds smoothly without jamming, lowering operational difficulty.?Appearance-Focused Scenarios (e.g., decorative trim, household appliance housings): Choose 1.0-1.6 mm diameter welding wire paired with pure argon shielding gas to leverage its excellent molten pool fluidity for smooth weld formation. For higher color matching requirements, select high-purity 4A04 welding wire with low impurity content to minimize color difference between the weld and base metal, enhancing product aesthetics.IV. Usage Tips and Storage Maintenance for 4A04 Aluminum Alloy Welding WireMastering the correct usage methods and storage maintenance techniques for 4A04 aluminum alloy welding wire is key to ensuring stable welding quality and extending its service life, especially in light industry mass production and simple repair scenarios where standardized operation is essential.(I) Key Specifications During Use1. Base Metal Pretreatment: Simplified and Efficient, Ensuring QualityOxide films and oil stains on aluminum alloy surfaces can affect welding quality and require targeted cleaning. However, compared to high-strength welding wires, 4A04 welding wire has more lenient pretreatment requirements, allowing for simplified processes:?Mechanical Cleaning: For base metals with light surface oxidation (e.g., factory-sealed aluminum sheets, lightly used components), use 600-800 grit sandpaper to gently sand in one direction to remove the oxide film. For severely oxidized base metals (e.g., long-stored cast aluminum parts, outdoor-used components), use a stainless steel wire brush for quick polishing until fresh metal luster appears, avoiding over-polishing to reduce labor time. Avoid touching the base metal surface with bare hands after polishing to prevent salt contamination from sweat.?Oil Stain Cleaning: If the base metal surface has obvious oil stains (e.g., lubricants from stamping, fingerprint oils), wipe the surface with industrial alcohol or ordinary gasoline to remove the oil, then air dry before welding. Special aluminum alloy cleaners are unnecessary, reducing cleaning costs. After cleaning, complete welding within 1-2 hours to prevent re-oxidation; if welding cannot be done immediately, cover the surface with clean plastic film to isolate it from air.2. Welding Process Parameters: Flexible Adaptation, Easy Operation?Current and Voltage: Adjust flexibly based on welding wire diameter and welding method, with a wide parameter range. For TIG welding, 0.8 mm welding wire corresponds to a current of 30-60 A and voltage of 6-8 V; 1.6 mm welding wire corresponds to a current of 90-120 A and voltage of 10-12 V. For MIG welding, 1.2 mm welding wire corresponds to a current of 80-110 A and voltage of 16-18 V; 3.2 mm welding wire corresponds to a current of 180-210 A and voltage of 20-22 V. Even if current and voltage deviate by 5%-10% from these ranges, arc stability and acceptable weld formation can be maintained, making it suitable for novice parameter adjustments.?Shielding Gas: For常規(guī) scenarios, 99.9% purity argon is sufficient, avoiding the need for 99.99% high-purity argon, significantly reducing gas costs. Only in scenarios with extremely high requirements for weld appearance and corrosion resistance (e.g., food-grade container welding) is high-purity argon necessary. For TIG welding, control shielding gas flow at 5-9 L/min; for MIG welding, control flow at 10-14 L/min, effectively isolating air while avoiding gas waste.?Welding Speed and Heat Input: Due to the strong resistance to hot cracking of 4A04 welding wire, welding speed can be appropriately increased. For ultra-thin sheets, control welding speed at 80-120 mm/min to reduce heat input and avoid deformation; for medium-thin sheets, control speed at 50-80 mm/min to ensure sufficient penetration. When welding ultra-thin sheets, use a "fast short arc" technique to shorten arc dwell time on the base metal, further reducing the heat-affected zone. When welding cast aluminum parts, no preheating is needed (for thickness TIG Welding Operation: During welding, maintain a tungsten-to-base metal distance of 1-3 mm without precise positioning; feed the welding wire steadily from the side of the molten pool. Even with slight timing deviations, molten pool fluidity can compensate, avoiding lack of fusion. Overlap joints by 5-8 mm without complex joint treatment, reducing operational steps.?MIG Welding Operation: Adjust the welding gun angle to the base metal within a range of 10-40° without strict control; set wire feed speed based on current, with常規(guī) 1.2 mm welding wire feed speed controlled at 3-5 m/min to avoid feeding jams. If minor spatter occurs during welding, do not clean immediately; instead, use a wire brush for simple cleaning after welding to reduce interruption time.(II) Storage and Maintenance: Simple and Economical, Reducing Costs4A04 aluminum alloy welding wire is less sensitive to environmental conditions than high-strength welding wires, with relatively lenient storage maintenance requirements, reducing storage costs:?Storage Conditions: Keep the warehouse dry and ventilated, with relative humidity ≤70% and temperature between -5°C and 40°C, avoiding the need for specialized constant temperature and humidity warehouses. Do not store welding wire outdoors, in damp corners, or near oil sources or corrosive substances (e.g., acids, alkalis) to prevent surface oxidation, oil contamination, or corrosion.?Packaging Protection: Keep unopened welding wire in its original packaging (ordinary sealed plastic bags or cardboard boxes) without vacuum packaging. If opened welding wire cannot be used within a short period (≤20 days), store it in an ordinary drying box (with silica gel desiccant or quicklime) without the need for high-precision drying boxes. Close the drying box door promptly after each use to minimize air exposure.?Regular Inspection and Handling: Inspect stored welding wire every 3 weeks for packaging damage, obvious oxidation (e.g., yellowing, darkening), or oil stains. For minor oxidation, lightly sand to remove the oxide layer before use. For severe oxidation (e.g., large-area blackening, spots) or unremovable oil stains, discard the wire. For welding wire stored超過 18 months, perform a simple test weld (on a small test piece to check weld appearance and for porosity) before batch use, avoiding complex mechanical performance testing.V. ConclusionAs a medium to low-strength representative of the 4xxx series aluminum-silicon alloy welding wires, 4A04 aluminum alloy welding wire demonstrates significant advantages in light industry, agricultural machinery manufacturing, household appliances, and simple repairs due to its balanced mechanical properties, excellent weldability, and low cost. Its value lies not only in meeting the welding needs of medium to low-strength aluminum alloys but also in simplifying
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Cast iron surfacing electrode D608
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:D608 Hardfacing ElectrodeGB/T 984 EDZ-A1-08Application:Suitable for hardfacing parts subjected to sand abrasion and light impact in agricultural machinery, mining equipment, etc.Characteristics:A CrMo-type cast iron hardfacing electrode with graphite coating. The deposited metal consists of Cr and Mo carbides in a cast iron structure, providing high hardness and wear resistance, with excellent resistance to abrasion from silt and ore.Polarity:Direct current reverse polarity (DC+)Chemical Composition of Deposited Metal (%)Test ItemCCrMoGB/T Standard2.50~4.503.00~5.003.00~5.00Example Value3.403.564.00Hardness of Hardfacing MetalTest ItemHRC (4 layers or more)GB/T Standard≥55Reference CurrentElectrode Size (mm)Φ3.2Φ4.0Φ5.0Welding Current (A)90~130120~170160~210Welding Process Key Points:1. Drying requirement: Electrodes must be baked at 250°C for 1 hour before use and used immediately after baking.2. Preheating temperature for hardfacing parts: 400~500°C; if the hardfacing thickness permits, first deposit a layer with J507 electrode, then perform hot hardfacing, followed by slow cooling.3. The hardfacing layer cannot be machined by cutting; it can only be ground.
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Aluminum welding wire 4047
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:4047 Aluminum Brazing Sheet: The Performance Benchmark in High-Silicon Aluminum-Based Filler MetalsIn the aluminum and aluminum alloy welding material system, the 4047 aluminum brazing sheet stands out as a core material for high-end welding applications such as heat exchanger manufacturing and precision component joining, thanks to its high silicon content and excellent brazing adaptability. Its unique combination of properties not only meets stringent process requirements but also drives welding technology advancements across multiple industries, making it an indispensable high-quality aluminum-based filler metal in the industrial sector.I. High-Silicon-Dominated Chemical Composition: The Core Code of PerformanceThe exceptional performance of the 4047 aluminum brazing sheet stems from its precisely designed chemical composition, with high silicon content being its most notable feature. The sheet is based on aluminum (Al) as the remainder, with silicon (Si) content as high as 11.0%–13.0%, a high proportion that is key to achieving excellent fluidity and a low melting point. At the same time, the content of impurity elements is strictly controlled: iron (Fe) ≤0.8%, copper (Cu) ≤0.30%, manganese (Mn) ≤0.15%, magnesium (Mg) ≤0.05%, zinc (Zn) ≤0.10%, other single impurity elements ≤0.05%, and total impurities ≤0.15%. This high-silicon-centric composition system ensures process stability during welding while providing a foundation for the density and corrosion resistance of the weld seam.II. Irreplaceable Performance Characteristics: Advantages for High-Demand Scenarios(I) Exceptional Brazing Process PerformanceAs a typical high-silicon aluminum-silicon alloy filler metal, the 4047 aluminum brazing sheet demonstrates top-tier brazing adaptability. Its melting point is as low as 580–620°C, significantly lower than that of ordinary aluminum alloy base materials, enabling welding without excessive heat deformation of the base material. This makes it particularly suitable for joining thin-walled parts and precision structures. During welding, the molten pool exhibits excellent fluidity, fully filling complex gaps and narrow joints. When used with low-temperature aluminum brazing powder, it effectively reduces defects such as porosity and lack of fusion. Compared to medium-silicon filler metals like 4004, it solidifies more quickly, performing especially well in gas-shielded welding and Nocolok brazing processes. The resulting weld seam is smooth and dense, requiring minimal post-weld finishing.(II) Balanced Mechanical and Corrosion Resistance PropertiesThe welded joints of the 4047 aluminum brazing sheet exhibit good mechanical stability. Although the high silicon content slightly reduces material plasticity, it is sufficient to meet the load requirements of components such as heat exchangers. The weld strength is highly compatible with commonly used core materials like 3003 and 3004. In terms of corrosion resistance, the weld structure formed by this sheet is uniform, capable of resisting erosion from coolants, air, and other media. When used with anti-corrosion cladding layers like 7072, it significantly extends the service life of aluminum components. Additionally, the welded joints offer excellent thermal conductivity, a critical feature in heat exchange equipment such as radiators and condensers, ensuring efficient heat transfer without obstruction from the weld seam.III. Flexible and Diverse Specifications: Precision Adaptation to Production NeedsThe 4047 aluminum brazing sheet is designed with specifications that fully consider the production differences across various industries, offering highly flexible options.(I) Thickness Specifications: Comprehensive Coverage from Precision to ConventionalStandard thicknesses include 0.10mm, 0.15mm, 0.20mm, and 0.30mm. These thin specifications are particularly suitable for the cladding layer of heat exchanger composite foils, enabling precise brazing of multilayer composite materials. For the welding needs of large equipment, thicker specifications ranging from 0.50mm to 2.0mm are available to meet the requirements for multilayer welding of thick-walled aluminum parts. Some manufacturers support custom production within the range of 0.08mm to 3.0mm, adapting to various welding scenarios from microelectronics to industrial equipment.(II) Width Specifications: Efficiency Assurance for Mass ProductionWidth specifications cover standard sizes such as 100mm, 150mm, 200mm, 300mm, and 600mm. Wide-width products can be directly used in the production of large composite panels, reducing the number of splices and improving production efficiency. For small component welding and repair scenarios, narrow-width slit products are available to minimize material waste. Manufacturers can provide continuous supply of custom widths based on customer coil processing needs, meeting the feeding requirements of automated welding production lines.IV. Focus on Core Areas: Key Material for Heat Exchange and Composite Materials(I) Automotive and Industrial Heat Exchanger ManufacturingThe 4047 aluminum brazing sheet is a core material for brazed heat exchangers, widely used in the production of automotive air conditioners, radiators, oil coolers, heaters, and other equipment. In these products, 4047 typically serves as the cladding alloy, combined with core materials like 3003 to form multilayer structures. After brazing, it achieves both efficient heat exchange and structural stability. The 4047 brazing sheet is also extensively used in the repair of traditional aluminum radiators, favored by the repair market for its low cost and reliable performance.(II) Composite Materials and Precision Component JoiningIn aluminum alloy composite material production, the 4047 aluminum brazing sheet serves as the cladding layer, combined with core materials through lamination and rolling to form 2–5 layer composite plates, strips, and foils. These composite materials are widely used in specialized heat exchange devices such as hand dryers and air separation equipment. Additionally, its precise welding performance makes it important for joining heat sinks in electronic devices and small precision aluminum components, enabling reliable connections in confined spaces without affecting component functionality.V. Development Prospects Driven by Technological UpgradesWith the rapid development of automotive lightweighting and the new energy industry, the 4047 aluminum brazing sheet is facing new opportunities. Its future development will focus on three main directions: First, process optimization, using advanced technologies like vacuum melting to reduce impurity content, further enhancing weld purity and corrosion resistance to meet the higher demands of new energy vehicle coolant systems. Second, product iteration, developing derivative alloys with lower melting points and higher toughness to address the plasticity limitations of high-silicon materials and expand into high-end fields such as aerospace. Third, green production, adopting waste recycling and regeneration technologies to reduce production costs and carbon emissions while maintaining performance stability, aligning with global trends in low-carbon manufacturing. With its irreplaceable brazing advantages, the 4047 aluminum brazing sheet will continue to hold a core position in the advancement of heat exchange technology.
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Hardfacing Electrode D502
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:D502 Hardfacing ElectrodeGB/T 984 EDCr-A1-03Application:Suitable for hardfacing carbon steel or alloy steel shafts and valves operating at temperatures below 450°C.Characteristics:A titanium-calcium coated 1Cr13 type valve hardfacing electrode. The deposited metal is 1Cr13 semi-ferritic high chromium steel. The hardfacing layer has air-hardening properties, generally requiring no heat treatment, with uniform hardness. It can also be annealed and softened at 750–800°C. When heated to 900–1000°C and air-cooled or oil-quenched, it can be rehardened.Polarity:AC/DC (Alternating Current/Direct Current)Chemical Composition of Deposited Metal (%)Test ItemCCrSPTotal Other ElementsGB/T Standard≤0.1510.00–16.00≤0.030≤0.040≤2.50Example Value0.1211.200.0080.024——Hardness of Hardfacing Metal (Air-Cooled After Welding)Test ItemHRC (4 Layers or More)GB/T Standard≥40Reference CurrentElectrode Diameter (mm)Φ3.2Φ4.0Φ5.0Welding Current (A)80–120120–160160–200Welding Process Guidelines:1. Drying Requirement: Electrodes must be baked at 150°C for 1 hour before use and used immediately after baking.2. Preheat hardfacing parts to above 300°C. Post-weld heat treatment can achieve corresponding hardness levels.
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Heat-resistant steel welding rod R127, specification 2.5mm
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:Heat-resistant steel welding electrodeR127 Complies with: GB/T5118-2012 E6015-G AWS A5.5 E9015-GDescription: R127 is an ultra-low hydrogen sodium-type flux coated heat-resistant steel welding electrode, with a weld microstructure of bainite + ferrite. Uses DC reverse polarity. Operate with a short arc, suitable for all-position welding. Preheating and interpass temperature for the weldment: 160~200℃, and must undergo 620℃ tempering treatment after welding.Application: Used for welding WB36 heat-resistant steel.<img src="https://img-i-album.toocle.com/view/2025/06/06/59/684292b51c659.png" style="max-width:100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/06/d1/684292c85dad1.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/06/fd/684292d8863fd.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/06/66/684292e109666.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/06/df/684292f2f31df.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/06/8c/684292f85568c.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/06/41/684292fd82141.png" style="max-width: 100%;"/>
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High Manganese Steel Overlay Welding Electrode D256
Negotiable
Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials
Product Description:D256 Hardfacing ElectrodeGB/T 984 EDMn-A-16Application:Suitable for hardfacing impact-prone and wear-prone parts such as various crushers, high manganese steel rails, buckets, bulldozers, etc.Characteristics:A high manganese hardfacing electrode with low-hydrogen potassium-type coating. The deposited metal is austenitic high manganese steel, featuring work hardening, toughness, and wear resistance.Polarity:AC, DC reverse polarity (AC, DC+)Chemical Composition of Deposited Metal (%)Test ItemCMnSiTotal Other ElementsGB/T Standard≤1.1011.00~16.00≤1.30≤5.00Typical Value0.5414.000.32——Hardness of Hardfacing MetalTest ItemHB (4 layers or more)GB/T Standard≥170Reference CurrentElectrode Size (mm)Φ3.2Φ4.0Φ5.0Welding Current (A)90~130120~170160~210Welding Process Key Points:1. Drying requirement: Electrodes must be baked at 300~350℃ for 1 hour before use and used while warm.2. Use low current and narrow beads during hardfacing.3. When hardfacing high manganese steel workpieces, remove the fatigued layer or perform water toughening treatment, or use a chromium-manganese steel electrode (e.g., D277) for backing.4. Significant yellow smoke is generated during hardfacing; ensure adequate ventilation and operate from upwind positions.
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