Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:TC3 Titanium Straight WireOther Available Grades:TA1, 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-23Applicable Standards:ASTM B863, AWS A5.16, GB/T3623, GB/T30562, NB/T47018.7Supply Range:Diameter 0.4~6.0mm x L, Straight Wire, Natural Coil, Wound Coil (D100/D300)Surface Treatment: Pickled Surface / Bright SurfacePackaging Types:1- Straight Wire: 5kg/bag/plastic box,2- Wound Coil: 0.8kg/coil, 1kg/coil, 10kg/coil,3- Natural Coil: 20~80kg/coil4- Customized according to customer requirementsApplication Fields:Aerospace, Power Energy, Military Defense, 3D Printing, Petroleum, Chemical, Automotive, Construction, Jewelry, Medical, and other industriesAircraft, Ships, Natural Gas, Automotive, Corrosion-Resistant Vessels, Reactors, Heat Exchangers, Various Pumps and Valves, Boilers, Turbine Blades, etc.<img src="https://img-i-album.toocle.com/view/2025/06/06/40/6842a013d6640.png" style="max-width:100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/06/eb/6842a018181eb.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/06/64/6842a01bf1264.png" style="max-width: 100%;"/> more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:D132 Hardfacing Welding ElectrodeGB/T 984 EDPCrMo-A2-03Application:Suitable for hardfacing or repairing worn surfaces of low-carbon steel, medium-carbon steel, and low-alloy steel, such as worn parts of mining machinery and agricultural machinery.Characteristics:CrMo-type hardfacing electrode with titania-calcium coating, featuring stable arc performance and easy slag removal.Polarity:AC/DC (Alternating Current/Direct Current)Chemical Composition of Deposited Metal (%)Test ItemCCrMoGB/T Standard≤0.50≤3.00≤1.50Typical Value0.281.960.32Hardfacing Metal HardnessTest ItemHRC (4 layers or more)GB/T Standard≥30Reference CurrentElectrode Size (mm)Φ3.2Φ4.0Φ5.0Welding Current (A)90～130120～170160～210Welding Process Guidelines:1. Drying requirement: Electrodes must be baked at 150°C for 1 hour before use and used while warm.2. For large workpieces, preheating to approximately 300°C is recommended, and the surface to be hardfaced should be cleaned of rust and oil contamination. more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:D547Mo Hardfacing ElectrodeGB/T 984 EDCrNi-B-15Application:Suitable for hardfacing sealing surfaces of high-pressure valves operating below 600°C.Characteristics:A low-hydrogen sodium-type CrNiSiMo valve hardfacing electrode. The deposited metal exhibits excellent high-temperature resistance to scuffing, erosion, and impact, with high elevated-temperature hardness, good thermal stability, and fatigue resistance. The deposited metal shows significant age-hardening effects; hardness and scuffing resistance further improve with extended aging time.Polarity:Direct current reverse polarity (DC+)Chemical Composition of Deposited Metal (%)Test ItemCMnSiCrNiMoNbSPTotal Other ElementsGB/T Standard≤0.180.60～5.003.80～6.5014.00～21.006.50～12.003.50～7.000.50～1.20≤0.030≤0.040≤2.50Example Value0.0601.455.6015.5010.354.500.900.0050.020——Hardness of Deposited MetalTest ItemHRC (4 layers or more)GB/T Standard≥37Reference CurrentElectrode Diameter (mm)Φ3.2Φ4.0Φ5.0Welding Current (A)80～120120～160160～200Welding Process Guidelines:1. Drying requirement: Electrodes must be baked at 300°C for 1 hour before use and used while still warm.2. Preheat large workpieces, deep-hole small-bore stop valve bodies, or other steel components to a certain temperature before hardfacing, and allow slow cooling after welding.3. Apply 3 to 4 continuous layers without interruption during hardfacing. The machined hardfacing layer thickness should be no less than 5 mm to ensure stable hardness and chemical composition. Avoid excessive thickness to prevent cracking. more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:NameERTi-7 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 Condition)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). Resistant to low temperatures 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 vessels, reaction kettles, 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<img src="https://img-i-album.toocle.com/view/2025/06/09/20/68464a0376420.png" style="max-width:100%;"/> more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:GB/T 983 E2209-15 AWS A5.4 E2209-15 ISO 3581-A-E(22 9 3 N L)B 4 2 ISO 3581-B-ES 2209-15Application:Suitable for welding ultra-low carbon duplex stainless steels such as 022Cr22Ni5Mo3N and SAF2205.Characteristics:An ultra-low carbon duplex stainless steel electrode with a basic coating. The deposited metal contains 30% to 50% ferrite, offering excellent mechanical properties and corrosion resistance, particularly reliable resistance to chloride corrosion and high pitting corrosion resistance.Polarity:Direct current electrode positive (DCEP).Chemical Composition of Deposited Metal (%)Test Item C Mn Si P S Cr Ni Mo Cu N GB/T Standard ≤0.04 0.50～ 2.00 ≤1.00 ≤0.040 ≤0.030 21.5～23.5 7.5～ 10.5 2.5～3.5 ≤0.75 0.08～0.20 Example Value 0.028 1.50 0.45 0.016 0.006 22.92 8.95 3.05 0.015 0.14 Mechanical Properties of Deposited MetalTest Item Rm (MPa) A (%) GB/T Standard ≥690 ≥15 Welding Positions<img src="https://www.tjgoldenbridge.com/Plugins/products/Uploads/Images/TableImage_1_d4480627-0d4b-4ce6-a105-e5c459c3ec7b.jpeg"/><img src="https://www.tjgoldenbridge.com/Plugins/products/Uploads/Images/TableImage_1_71f3cb2b-933a-461c-a7c5-fc480685eeb0.jpeg"/><img src="https://www.tjgoldenbridge.com/Plugins/products/Uploads/Images/TableImage_1_8ce1fa8f-2800-4572-80b0-d4ecf3b8e371.jpeg"/><img src="https://www.tjgoldenbridge.com/Plugins/products/Uploads/Images/TableImage_1_7122d276-2ee6-44c4-8f4e-04afc7384005.jpeg"/><img src="https://www.tjgoldenbridge.com/Plugins/products/Uploads/Images/TableImage_1_30f5116e-d185-46c5-a43f-1d8c74ec397c.jpeg"/>Reference CurrentElectrode Diameter (mm)Φ2.5Φ3.2Φ4.0Φ5.0Welding Current (A)Flat, Horizontal50～9080～120100～150140～180Vertical, Overhead60～8090～110110～140—Welding Process Key Points:1. Drying requirement: Electrodes must be baked at 300°C for 1 hour before use and used immediately after baking.2. Use low current and short arc welding as much as possible during welding, with minimal oscillation amplitude. more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:A356.2 Aluminum Alloy Welding Wire: Characteristics, Applications, and Selection GuideIn the rich spectrum of aluminum alloy welding materials, A356.2 aluminum alloy welding wire occupies a unique and important position. As a specific model within the A356 series of aluminum alloy welding wires, it exhibits distinct characteristics in terms of composition design, performance, and application fields. Compared to other members of the A356 series, A356.2 welding wire has its own unique advantages, precisely meeting the stringent requirements of specific industrial scenarios. Next, let's delve into the intricacies of A356.2 aluminum alloy welding wire.I. Composition and Characteristics of A356.2 Aluminum Alloy Welding Wire(I) Chemical CompositionA356.2 aluminum alloy welding wire is primarily composed of aluminum (Al) as the base, with strict and precise control over the content of key alloying elements. The silicon (Si) content ranges from 6.5% to 7.5%, a proportion similar to other models in the A356 series. Silicon plays a crucial role in the alloy, significantly lowering its melting point and greatly improving its fluidity in the molten state. During welding, this excellent fluidity allows A356.2 welding wire to easily and perfectly fill complex weld gaps, whether narrow or irregularly shaped, ensuring high-quality filling and laying a solid foundation for superior weld formation.The magnesium (Mg) content ranges from 0.30% to 0.45%. Although magnesium accounts for a relatively small proportion compared to the aluminum base, its role in enhancing the alloy's properties cannot be overlooked. It effectively increases the alloy's strength, giving the welded joint better load-bearing capacity. Additionally, magnesium contributes significantly to improving the alloy's corrosion resistance by forming a dense and stable oxide film on the surface, effectively resisting external corrosive media and extending the service life of welded components.Furthermore, A356.2 welding wire contains a small amount of titanium (Ti), with a content ranging from 0.08% to 0.20%. The addition of titanium acts as a "booster" for optimizing the alloy's properties, refining its grain structure. Grain refinement leads to a comprehensive improvement in the alloy's overall performance, including strength, toughness in mechanical properties, and stability in physical properties, significantly enhancing the welded joint's performance under various working conditions. In terms of impurity control, A356.2 welding wire adheres to strict standards: iron (Fe) content is ≤0.12%, while copper (Cu), zinc (Zn), and manganese (Mn) contents are all ≤0.05%. The extremely low impurity content effectively avoids various defects caused by impurities, ensuring the purity and stability of the welding wire's performance.(II) Performance CharacteristicsIn terms of mechanical properties, A356.2 aluminum alloy welding wire performs exceptionally well. After standard T6 heat treatment—solution treatment at 540-560°C for 2-3 hours, followed by aging treatment at 120-130°C for 4-6 hours—the welded joint exhibits impressive performance data. The tensile strength can reach 300-340 MPa, a significant improvement compared to A356.0 welding wire, meaning the welded joint can withstand greater tensile loads, offering clear advantages in welding high-stress structural components. The yield strength ranges from 200-240 MPa, ensuring the joint maintains good shape stability under load and resists plastic deformation. The elongation is ≥10%, providing the welded joint with a degree of flexibility, allowing it to absorb energy through deformation under dynamic or impact loads, avoiding sudden fractures and enhancing the component's safety and reliability.In terms of welding performance, A356.2 welding wire also demonstrates outstanding qualities. Its molten pool exhibits excellent fluidity, spreading quickly and evenly across the weld area during welding and achieving good fusion with the base metal. This superior fluidity not only helps fill tiny pores and defects but also results in a smoother and flatter weld surface, with weld reinforcement deviation accurately controlled within ±0.2 mm. For precision welding applications with extremely high requirements for weld appearance, such as aerospace component welding, A356.2 welding wire is perfectly suited.Resistance to hot cracking is a critical indicator of welding material performance, and A356.2 welding wire excels in this aspect. Through optimized alloy composition design, particularly the precise control of silicon and magnesium ratios and the grain-refining effect of titanium, the welding wire effectively reduces the risk of hot cracking during welding. In scenarios prone to hot cracking, such as welding complex structures or thick workpieces, the hot cracking incidence of A356.2 welding wire can be controlled to ≤1%, far lower than that of ordinary aluminum alloy welding wires, providing solid and reliable assurance of welding quality. Moreover, A356.2 welding wire is highly adaptable to various welding equipment and processes, performing stably and delivering consistent welding results whether used with advanced automated welding equipment or traditional manual welding methods, reducing costs associated with process adjustments and equipment upgrades for enterprises.Corrosion resistance is another standout advantage of A356.2 aluminum alloy welding wire. Due to its strictly controlled chemical composition, particularly the extremely low impurity content, the welded joint forms a very dense and stable oxide film. This oxide film acts like a robust "protective armor" for the welded joint, effectively resisting corrosion from the atmosphere, freshwater, and various moderately corrosive media. For industrial equipment used long-term in harsh outdoor environments, such as aluminum alloy components in wind power generation equipment, welding with A356.2 welding wire can ensure no significant corrosion occurs for 5-8 years without additional anti-corrosion treatment. With simple surface protection treatments, such as anodizing or anti-corrosion coating, the corrosion resistance lifespan can be extended to over 10 years, significantly reducing maintenance costs and replacement frequency.II. Application Fields of A356.2 Aluminum Alloy Welding Wire(I) Aerospace FieldIn the aerospace field, where material performance requirements are nearly苛刻, A356.2 aluminum alloy welding wire has widespread and critical applications. Many aircraft components, such as high-stress parts like engine pump components and joints, demand extremely high strength, toughness, and reliability from materials. The welded joints of A356.2 welding wire exhibit high strength, excellent fatigue resistance, and outstanding corrosion resistance, ensuring these critical components maintain stable and reliable performance under complex conditions like high-speed flight, extreme temperatures, and immense pressure. For example, in welding aircraft engine fuel pump components, using A356.2 welding wire ensures the welded joint operates stably long-term under high temperature, high-pressure fuel沖刷, and high-frequency vibration, without cracks, leaks, or other safety hazards, providing solid assurance for flight safety.(II) Automotive Manufacturing FieldThe automotive manufacturing industry is rapidly advancing toward lightweight and high-performance directions, with aluminum alloy materials increasingly used in vehicles. A356.2 aluminum alloy welding wire plays a significant role in this trend. In automotive wheel manufacturing, A356.2 welding wire, with its excellent casting performance and high strength, is an ideal choice for wheel repair and manufacturing. Automotive wheels are prone to wear and cracks due to factors like road impact and brake thermal stress. Repairing with A356.2 welding wire can restore the wheel's original strength and performance, ensuring driving safety. In welding aluminum alloy automotive body structural components, A356.2 welding wire enables high-quality welded connections, improving the overall strength and rigidity of the body structure while reducing weight, lowering fuel consumption, and enhancing the vehicle's overall performance.(III) High-End Mechanical Manufacturing FieldIn high-end mechanical manufacturing, such as precision machine tools and high-end medical equipment, components require extremely high precision, strength, and stability. A356.2 aluminum alloy welding wire meets these stringent demands. In welding aluminum alloy casings and transmission components of precision machine tools, using A356.2 welding wire results in high-quality welds with minimal deformation, ensuring the配合精度 of components during high-precision operation, maintaining the machine tool's加工精度 and stability. In high-end medical equipment, such as welding aluminum alloy components of MRI devices, the excellent welding performance and corrosion resistance of A356.2 welding wire ensure the設(shè)備 operates normally long-term without being affected by corrosion or damage at weld points, guaranteeing the accuracy and reliability of medical diagnostics.III. Key Points for Selecting A356.2 Aluminum Alloy Welding Wire(I) Base Metal CompatibilityThe primary principle in selecting A356.2 aluminum alloy welding wire is ensuring good compatibility with the base metal. When the base metal is from the A356 series of aluminum alloys and high performance is required from the welded joint—such as bearing large loads, having good corrosion resistance, and fatigue resistance—A356.2 welding wire is an ideal choice. Before welding, professional material testing methods, like spectral analysis, must be used to accurately confirm the base metal's chemical composition, ensuring its key alloying elements align with A356 series standards, particularly the compatibility of silicon and magnesium content ranges with A356.2 welding wire. If the base metal is another type of aluminum alloy, like 6061, due to significant differences in alloy composition, A356.2 welding wire may not achieve good welding results; in such cases, welding wire specifically designed for 6061 aluminum alloy should be selected.(II) Welding Process CompatibilityDifferent welding processes have varying requirements for welding wire. While A356.2 welding wire performs well in multiple processes, selection should still be based on the specific process. In TIG (Tungsten Inert Gas) welding, which is more precise and demands high weld quality and appearance, A356.2 welding wire's excellent molten pool fluidity and low spatter make it highly suitable. For welding thin-walled aluminum alloy components, like aerospace parts with thicknesses of 1-3 mm, A356.2 welding wire with a diameter of 1.0-1.6 mm can be used. With appropriate welding current and voltage parameters, high-quality welding can be achieved, resulting in smooth weld surfaces with no obvious defects.In MIG (Metal Inert Gas) welding, commonly used for batch production of medium to thick-walled aluminum alloy components, A356.2 welding wire's efficient wire feeding performance and stable arc characteristics ensure continuous and efficient welding. For welding automotive aluminum alloy body structural components with thicknesses of 3-20 mm, wire diameters of 1.2-4.0 mm can be selected based on specific thickness. For example, for welding 5 mm thick structural components, using 1.2 mm wire with合理 adjusted welding current, voltage, and wire feed speed enables fast and stable welding, improving production efficiency.(III) Performance Requirements ConsiderationSelecting A356.2 welding wire based on specific usage scenarios and performance needs is also crucial. If welded components will be used in harsh corrosive environments, like marine settings for ship aluminum alloy parts, A356.2 welding wire's excellent corrosion resistance ensures the welded joint does not suffer corrosion damage under long-term seawater erosion. For applications requiring extremely high strength and fatigue resistance, such as welding critical components of aircraft engines, the high strength and good fatigue resistance of A356.2 welding wire after T6 heat treatment meet these extreme conditions. For precision component welding with strict requirements on welding deformation, A356.2 welding wire produces minimal deformation during welding, ensuring dimensional accuracy and assembly requirements.IV. Usage and Storage of A356.2 Aluminum Alloy Welding Wire(I) Usage SpecificationsBefore using A356.2 aluminum alloy welding wire, the base metal must undergo strict pretreatment. First, surface cleaning: the oxide film on the base metal surface should be carefully打磨 using specialized aluminum alloy surface treatment agents or 800-1000 grit sandpaper until a bright, fresh metal surface is exposed, ensuring good metallurgical bonding between the welding wire and base metal. For oil stains and impurities on the surface, organic solvents like acetone or anhydrous ethanol should be used for thorough cleaning, followed by drying with clean compressed air to avoid pores and other defects from residual oil during welding. For defect pretreatment: if the base metal has cracks or other defects, mechanical methods like EDM or milling should be used to completely remove the defective area and create a suitable groove shape, typically with a groove angle of 60°-70°, to ensure the welding wire fully fills during welding.During welding, process parameters must be strictly controlled. For TIG welding with 1.6 mm diameter A356.2 welding wire, welding current should be 120-150 A, voltage 10-12 V, welding speed 40-60 mm/min, and argon flow rate 8-10 L/min to ensure stable arc and good molten pool protection. For MIG welding with 1.2 mm diameter wire, welding current is 150-180 A, voltage 20-22 V, wire feed speed 5-7 m/min. Welding speed can be adjusted based on component thickness—slower for thick plates, faster for thin plates—while ensuring shielding gas flow rate is 15-20 L/min to prevent weld oxidation.During welding operations, maintain a stable angle between the welding torch and base metal. For flat position welding, the angle is 70°-80° for TIG and 80°-90° for MIG; for vertical position welding, it's 60°-70° for TIG and 70°-80° for MIG. Maintain a uniform and stable wire feed speed to avoid defects from too fast or slow feeding. At weld joints,注意 overlap length, typically 5-10 mm, to ensure quality at the joint.(II) Storage RequirementsThe storage environment is crucial for maintaining the performance of A356.2 aluminum alloy welding wire. Store the wire in a dry, well-ventilated warehouse with relative humidity ≤60% and temperature between 5-35°C to prevent oxidation or corrosion from moisture or high temperatures. Place the wire on dedicated racks, avoiding direct contact with the floor or walls to prevent moisture and rust.For unopened welding wire, keep the original packaging intact. Original packaging typically uses sealed plastic bags or metal foil to effectively isolate air and moisture. Once opened, if not used entirely shortly, place the wire in a desiccator with dehumidifying function, regularly replacing the desiccant to maintain a dry environment. When retrieving wire, minimize exposure time to air. Return unused wire to the dry environment promptly after use to avoid surface adsorption of moisture and impurities affecting welding quality. Regularly inspect stored wire for packaging damage or surface oxidation/discoloration. If slight oxidation occurs, lightly sand with sandpaper before use; if severe, discard to ensure only wire in good condition is used.V. ConclusionA356.2 aluminum alloy welding wire, with its unique composition design and卓越 performance, plays an irreplaceable key role in numerous high-end fields like aerospace, automotive manufacturing, and high-end mechanical manufacturing. It not only meets the stringent requirements for welding quality and joint performance in these fields but also provides strong support for promoting technological progress and product upgrades across industries. With continuous technological development and industrial manufacturing advancements, A356.2 aluminum alloy welding wire is expected to achieve further breakthroughs in composition optimization, performance enhancement, and application expansion, contributing to the development of更多 emerging fields. In the future, it will continue to shine in high-end manufacturing, serving as a vital link between materials and processes, driving industrial innovation and development. more>

Category:Hardware & Tools/Cutting Power Tools/Drill Bits

Product Description:XTM-106系列油壓沖壓機(jī)特點(diǎn)：1.油缸采用HOB標(biāo)準(zhǔn)缸。2.四柱三板式結(jié)構(gòu)，活動板與工作面平行精度高，四個精密導(dǎo)套使下壓垂直精度高。3.安全設(shè)計周全，雙手操作，設(shè)有緊急按鈕（光電保護(hù)裝置需另加裝）及上下寸動調(diào)模按鈕。4.工作臺面配有落料槽及吹氣裝置，提高生產(chǎn)效率。5. 壓力、行程、速度、保壓時間、閉合高度均可按需求調(diào)整，方便操作。6．工作臺下方裝有腳輪和腳杯，可輕巧移動，省力高效。7．設(shè)備待機(jī)、滑快上下移動時噪音均不超過75分貝。油壓機(jī)適用范圍：各類鋁、鎂合金壓鑄制品的毛邊沖切及整形，塑料制品的整切；也適用于塑性材料的成形及板料，落料、拉伸、壓印，塑料、粉末制品的壓制等多種用途。汽車和摩托車配件行業(yè)用途廣泛。<img src="https://img-i-album.toocle.com/view/2025/06/04/88/683fdefb1e688.jpg" style="max-width:100%;"/> more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:D337硬面堆焊用焊條GB/T 984 EDRCrW-15用途：適用于鑄鋼或鍛鋼鍛模的堆焊或修復(fù)。特性:低氫鈉型藥皮的CrW型熱鍛模堆焊焊條。電源極性:直流反接（DC+）熔敷金屬化學(xué)成分（%）試驗(yàn)項目CCrWSP其他元素總量GB/T標(biāo)準(zhǔn)0.25～0.552.00～3.507.00～10.00≤0.035≤0.040≤1.00例值0.352.658.500.0100.015——堆焊金屬硬度（焊后空冷）試驗(yàn)項目HRC(4層以上)GB/T標(biāo)準(zhǔn)≥48參考電流焊條規(guī)格(mm)Φ3.2Φ4.0Φ5.0焊接電流（A）90～130120～170160～210焊接工藝要點(diǎn):1.烘干要求：焊前焊條須經(jīng)300～350℃保溫1h，隨烘隨用。2.堆焊件預(yù)熱溫度300℃以上，焊后緩冷。 more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:D227 Hardfacing Welding ElectrodeGB/T 984 EDPCrMoV-A2-15Application:Suitable for hardfacing wear-resistant parts subjected to certain impact loads, such as the worn surfaces of disc cutters on tunneling machines.Characteristics:A low-hydrogen sodium-coated CrMoV hardfacing electrode, the deposited metal exhibits excellent crack resistance and abrasion wear resistance.Polarity:Direct current electrode positive (DC+)Chemical Composition of Deposited Metal (%)Test ItemCCrMoVGB/T Standard0.45～0.654.00～5.002.00～3.004.00～5.00Example Value0.504.532.474.50Hardness of Hardfaced MetalTest ItemHRC (4 layers or more)GB/T Standard≥55Reference CurrentElectrode Diameter (mm)Φ3.2Φ4.0Φ5.0Welding Current (A)90～130120～170160～210Welding Process Guidelines: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, and the surface to be hardfaced should be cleaned of rust and oil contamination. more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:GB/T 983 E16-25MoN-15Application:Suitable for welding low-alloy and medium-alloy steels in the quenched state, dissimilar steels, structures with high rigidity, and corresponding heat-resistant steels.Characteristics:A Cr16Ni25Mo6 stainless steel electrode with a basic coating, featuring good welding process performance, stable arc, easy slag removal, and aesthetically pleasing weld formation.Power Polarity:Direct current reverse polarity (DC+).Chemical Composition of Deposited Metal (%)Test Item C Mn Si P S Cr Ni Mo Cu N GB/T Standard ≤0.12 0.50～ 2.50 ≤0.90 ≤0.035 ≤0.030 14.0～18.0 22.0～27.0 5.0～7.0 ≤0.75 ≥0.10 Example Value 0.055 1.65 0.34 0.020 0.007 15.85 24.45 5.90 0.11 0.13 Mechanical Properties of Deposited MetalTest Item Rm (MPa) A(%) GB/T Standard ≥610 ≥30 Example Value 655 40Reference CurrentElectrode Specification (mm)Φ2.5Φ3.2Φ4.0Φ5.0Welding Current (A)Flat, Horizontal50～9080～120100～150140～180Vertical, Overhead60～8090～110110～140—Welding Process Key Points:1. Drying Requirement: Electrodes must be baked at 250°C for 1 hour before use and used immediately after baking.2. Use low current and short arc welding as much as possible during welding, with minimal oscillation amplitude. more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:D107 Hardfacing ElectrodeGB/T 984 EDPMn2-16 GB/T 984 EDPMn2-15Application:Suitable for hardfacing or repairing worn surfaces of low-carbon steel, medium-carbon steel, and low-alloy steel components.Characteristics:D106 is a manganese-type hardfacing electrode with a low-hydrogen potassium coating; D107 is a manganese-type hardfacing electrode with a low-hydrogen sodium coating, offering stable arc performance and easy slag removal.Polarity:D106: AC or DC reverse polarity (AC, DC?); D107: DC reverse polarity (DC?)Deposited Metal Chemical Composition (%)Test ItemCMnGB/T Standard≤0.20≤3.50Example Value0.143.10Hardfacing Metal HardnessTest ItemHB (4 layers or more)GB/T Standard≥220Reference CurrentElectrode Size (mm)Φ3.2Φ4.0Φ5.0Welding Current (A)90–130120–170160–210Welding Process Guidelines:1. Drying requirement: D106 and D107 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 200°C is recommended, and the surface to be hardfaced should be cleaned of rust and oil contamination. more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:A307 Stainless Steel Welding ElectrodeGB/T 983 E309-15 AWS A5.4 E309-15 ISO 3581-A-E(22 12)B 4 2 ISO 3581-B-ES 309-15Application:Suitable for welding 06Cr23Ni13 and similar types of stainless steel, dissimilar steels, as well as high-chromium steel, high-manganese steel, etc.Characteristics:An alkaline-coated Cr23Ni13 stainless steel electrode with deposited metal that offers excellent crack resistance and oxidation resistance.Polarity:Direct current reverse polarity (DC+).Chemical Composition of Deposited Metal (%)Test ItemCMnSiPSCrNiMoCuGB/T Standard≤0.150.50–2.50≤1.00≤0.040≤0.03022.0–25.012.0–14.0≤0.75≤0.75Example Value0.0571.300.220.0220.00723.4312.820.0400.035Mechanical Properties of Deposited MetalTest ItemRm (MPa)A(%)GB/T Standard≥550≥25Example Value60038Reference CurrentElectrode Diameter (mm)Φ2.5Φ3.2Φ4.0Φ5.0Welding Current (A)Flat, Horizontal50–9080–120100–150140–180Vertical, Overhead60–8090–110110–140—Welding Process Guidelines:1. Drying requirement: Electrodes must be baked at 250°C for 1 hour before use and used immediately after baking.2. Use low current and short arc welding as much as possible during welding, with minimal oscillation amplitude. more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:GB/T 983 E312-16 AWS A5.4 E312-16 ISO 3581-B-ES 312-16Application:Suitable for welding various hard-to-weld steel materials prone to cracking or porosity, hardened alloy steels, as well as high-carbon steels, tool steels, and dissimilar metals.Characteristics:A rutile-coated duplex stainless steel electrode with excellent welding process performance, featuring stable arc, minimal spatter, easy slag removal, and aesthetically pleasing weld appearance. The deposited metal contains 40% to 50% ferrite, providing outstanding mechanical properties and crack resistance.Polarity:AC, DC reverse polarity (AC, DC?), with DC reverse polarity recommended.Chemical Composition of Deposited Metal (%)Test ItemCMnSiPSCrNiMoCuGB/T Standard≤0.150.50–2.50≤1.00≤0.040≤0.03028.0–32.08.0–10.5≤0.75≤0.75Example Value0.0700.920.800.0300.01028.69.340.0330.046Mechanical Properties of Deposited MetalTest ItemR? (MPa)A (%)GB/T Standard≥660≥15Example Value83327Welding PositionsReference CurrentElectrode Diameter (mm)Φ3.2Φ4.0Welding Current (A)Flat, Horizontal80–120100–150Vertical, Overhead70–11090–140Welding Process Guidelines:1. Drying requirement: Electrodes must be baked at 350°C for 1 hour before use and used immediately after baking.2. When using AC welding, spatter is greater, the coating tends to redden, and penetration is shallower; therefore, DC reverse polarity is recommended.3. Use low current and short arc welding as much as possible during welding, with minimal oscillation amplitude. more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:ZL205A Aluminum Alloy Welding Wire: The "Performance Benchmark" for High-Strength Aluminum Alloy WeldingIn fields such as aerospace structural components, high-end equipment frameworks, and high-pressure vessels, where the strength and reliability of welded joints are extremely demanding, ordinary aluminum alloy welding wires struggle to meet the comprehensive requirements of "high strength + high toughness + fatigue resistance." As a representative of the Al-Cu-Mn series of high-strength aluminum alloy welding wires, ZL205A aluminum alloy welding wire achieves breakthroughs in the strength, fracture toughness, and fatigue resistance of welded joints through its composition design centered on "copper as the primary strengthening element + synergistic effects of multiple trace elements." It has become the "performance benchmark" for welding high-strength aluminum alloy components, providing core technical support for the structural safety of high-end industrial equipment.I. Composition Analysis of ZL205A Aluminum Alloy Welding Wire: The "Genetic Code" of High StrengthThe high-strength performance of ZL205A stems from its precise composition ratio, where each element synergistically contributes to "strengthening mechanisms + performance balance," forming a unique alloy system:1. Core Elements: The Foundation of Strength and Toughness?Aluminum (Al): Matrix element, content ≥86%As the base metal, aluminum imparts low density (approximately 2.7g/cm3) to the welding wire, meeting the lightweight requirements of aerospace and high-end equipment. Simultaneously, aluminum provides a matrix for the solid solution and precipitation of other strengthening elements, ensuring that welded joints achieve high strength while remaining lightweight.?Copper (Cu): Primary strengthening element, content 4.6%-5.3%Copper is the core source of ZL205A's high strength. After welding, through "solution treatment + aging treatment," copper forms GP zones (Guinier-Preston zones) and uniform precipitation of θ' phase in the aluminum matrix, reducing the formation of coarse θ phase (Al?Cu), further enhancing the yield strength and fatigue resistance of the welded joint (10? cycle fatigue strength ≥120MPa).?Iron (Fe): Strictly controlled ≤0.15%Iron, as an impurity element, can form coarse FeAl? brittle phases if excessive, reducing weld toughness. Therefore, ZL205A limits iron content to extremely low levels through process control to avoid damage to welded joint performance by brittle phases.II. Performance Advantages of ZL205A Aluminum Alloy Welding Wire: "Hardcore Strength" for High-End ApplicationsBased on its scientific composition design, ZL205A exhibits four core performance advantages, perfectly meeting the stringent requirements of high-strength aluminum alloy welding:1. Exceptional Mechanical Properties: High Strength and High Toughness Combined?Room Temperature Strength: After T6 heat treatment (solution treatment at 530°C × 2h + water quenching + aging at 165°C × 12h), the welded joint achieves tensile strength ≥420MPa, yield strength ≥380MPa, and elongation ≥8%, far exceeding ordinary Al-Mg series welding wires (tensile strength ≤320MPa) and Al-Si series welding wires (tensile strength ≤280MPa), making it compatible with high-strength aluminum alloy base materials like 2A12 and 7A04.?Low-Temperature Toughness: In a -60°C low-temperature environment, the welded joint's impact toughness (αk) ≥25J/cm2, with no significant embrittlement (ordinary aluminum alloys experience a 30%-40% drop in low-temperature toughness, while ZL205A only drops 10%-15%), making it suitable for aerospace low-temperature applications (e.g., aircraft skins, satellite structural components).?Fatigue Resistance: Under stress ratio R=0.1 and 10? cycles, the welded joint's fatigue strength ≥130MPa, 1.5-2 times that of ordinary aluminum alloy welding wires. After surface shot peening, fatigue strength can be further increased to 150MPa, meeting the needs of applications like high-pressure vessels and helicopter rotors that endure long-term alternating loads.2. Excellent Corrosion Resistance: Balancing Strength and Protection?Atmospheric Corrosion: In GB/T 19292.1 neutral salt spray tests (5% NaCl solution, 40°C), after 2000 hours, the weld surface shows only slight discoloration with no pitting or peeling. The corrosion rate is ≤0.02mm/year, superior to most high-strength aluminum alloy welding wires (corrosion rate ≥0.05mm/year).?Stress Corrosion: In a 3.5% NaCl solution with stress level at 80%σs, the stress corrosion fracture time is ≥1000 hours, significantly higher than ordinary Al-Cu series welding wires (≤500 hours), making it suitable for welding high-end equipment in marine environments (e.g., deep-sea detector frames).3. Stable Weldability: Adaptable to Complex Structures?Arc Stability: When using argon arc welding (TIG/MIG), the arc burns stably with spatter rate ≤3% (ordinary Al-Cu series welding wires have spatter rate ≥5%), and droplet transfer is uniform, enabling all-position welding (flat, vertical, overhead), suitable for welding complex aerospace structural components (e.g., aircraft fuselage frames).?Low Hot Cracking Susceptibility: Through the grain refining effects of titanium and zirconium, the solidification temperature range of the weld is narrowed from 50-60°C for ordinary Al-Cu series to 30-40°C, significantly reducing shrinkage stress. The hot cracking tendency is ≤ grade 1 (GB/T 22086 standard), allowing welding of thick-walled high-strength aluminum alloy components with thicknesses of 10-50mm (e.g., high-pressure aluminum alloy storage tanks).4. Uniform Heat-Affected Zone Performance: Minimizing Performance Fluctuations?Due to zirconium's inhibition of recrystallization, the width of the weld heat-affected zone (HAZ) is only 2-3mm (5-8mm for ordinary aluminum alloys), and the tensile strength of the HAZ is ≥400MPa, with a difference of ≤5% compared to the weld strength. This ensures uniform overall performance of the welded joint, avoiding structural failure due to weak HAZ.III. Key Points of ZL205A Aluminum Alloy Welding Wire Welding Process: Precise Control to Ensure PerformanceThe welding process for ZL205A must focus on "protecting strengthening elements and ensuring heat treatment effects." Every step requires strict control to avoid performance loss:1. Pre-Welding Preparation: Laying the Foundation for High-Quality Welding?Welding Wire Pretreatment:?Surface Cleaning: The welding wire surface easily forms an oxide film (Al?O?). Before use, it must be scrubbed along the axis with a stainless steel wire brush to remove the oxide film. Alternatively, chemical cleaning can be used (soaking in 5% NaOH solution at room temperature for 5 minutes → rinsing with water → passivating in 10% nitric acid solution for 3 minutes → rinsing with water → drying at 120°C) to ensure surface cleanliness reaches Sa3 grade.?Drying: After cleaning, the welding wire should be dried in an oven at 120-150°C for 2 hours to remove adsorbed moisture and prevent porosity during welding (Al?O? reacting with moisture generates H?, causing porosity defects).?Workpiece Pretreatment:?Surface Cleaning: The area to be welded and the surrounding 30mm should be wiped with ketone to remove oil, followed by mechanical grinding (80-grit aluminum oxide grinding wheel) to remove the oxide film and reveal metallic luster. For thick-walled parts (≥20mm), sandblasting (grit diameter 0.1-0.2mm) is required to ensure complete oxide film removal.?Groove Processing: Use CNC milling for groove processing to avoid flame cutting (high temperatures can cause copper loss). For thick-walled parts, an "X-type groove" is recommended, with a groove angle of 60-65°, root face of 1-2mm, and gap of 2-3mm to reduce filler metal usage and welding stress.?Preheating: For components with thickness >15mm or high rigidity, preheat to 120-180°C (monitored with an infrared thermometer). The preheating range should extend 50mm around the welding area to avoid local overheating and loss of strengthening elements.2. Welding Process Control: Precise Parameters to Ensure Performance?Welding Parameter Selection:ZL205A commonly uses welding wire diameters of 1.6mm, 2.0mm, and 2.4mm, suitable for argon arc welding (TIG/MIG). Parameters should be adjusted based on thickness and welding position, as referenced below:Wire DiameterWelding MethodWelding Current (DCEN)Welding VoltageArgon Flow RateWelding SpeedApplication Scenario1.6mmTIG80-110A10-13V8-10L/min80-120mm/minThin-walled parts (e.g., aerospace skins, thickness 3-8mm)2.0mmMIG120-150A18-22V12-15L/min100-150mm/minMedium-thickness parts (e.g., equipment frames, thickness 8-20mm)2.4mmMIG150-180A22-25V15-18L/min120-180mm/minThick-walled parts (e.g., high-pressure storage tanks, thickness 20-50mm)Key Control Points:?Use direct current electrode negative (DCEN): Connect the welding wire to the negative pole and the workpiece to the positive pole to reduce loss of elements like copper and titanium in the welding wire (copper loss rate ≤1%, titanium loss rate ≤0.5%).?Short arc operation: Arc length ≤1.2 times the wire diameter to avoid air intrusion into the molten pool and reduce nitride (AlN) inclusions (inclusions reduce weld toughness).?Interpass temperature control: For multi-layer welding, interpass temperature ≤150°C, monitored in real-time with an infrared thermal imager to avoid grain coarsening due to excessive interpass temperature.?Operational Techniques:?For thick-walled parts, use a "multi-layer multi-pass narrow bead" process. Single bead width ≤3 times the wire diameter, each pass thickness ≤3mm, to reduce welding stress concentration.?Weld along the direction of lower rigidity to avoid excessive restraint stress causing cracks. When welding is interrupted, grind the joint into a 1:8 gentle slope shape and preheat to above 150°C before resuming welding.?Use argon backing protection on the weld reverse side (flow rate 5-8L/min) to prevent backside oxidation (Al?O? oxide film can affect subsequent heat treatment effects).3. Post-Weld Treatment: Activating Strengthening Performance?Heat Treatment: Key Strengthening Step:?Solution Treatment: Perform solution treatment within 24 hours after welding (to avoid natural aging causing coarse strengthening phases). The process is 530±5°C × 2-3h (adjusted based on thickness), followed by water quenching (cooling rate ≥50°C/s) to ensure copper is fully dissolved into the aluminum matrix.?Aging Treatment: Perform aging treatment within 48 hours after solution treatment. The process is 165±5°C × 12-16h, followed by furnace cooling to promote θ' phase precipitation. more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:A202不銹鋼用焊條GB/T 983 E316-16 AWS A5.4 E316-16 ISO 3581-A-E(19 12 2)R 3 2 ISO 3581-B-ES 316-16用途：適用于在有機(jī)和無機(jī)酸（非氧化性酸）介質(zhì)中工作的06Cr17Ni12Mo2不銹鋼或異種鋼的焊接。特性:金紅石型藥皮的Cr18Ni12Mo2不銹鋼焊條，焊接工藝性能優(yōu)良，具有良好的耐腐蝕、耐熱及抗裂性能。電源極性:交流、直流反接（AC、DC+），推薦采用直流反接。熔敷金屬化學(xué)成分（%）試驗(yàn)項目 C Mn Si P S Cr Ni Mo Cu GB/T標(biāo)準(zhǔn) ≤0.08 0.50～2.50 ≤1.00 ≤0.040 ≤0.030 17.0～20.0 11.0～14.0 2.0～ 3.0 ≤0.75 例值 0.045 1.40 0.65 0.022 0.009 19.35 12.04 2.52 0.028 熔敷金屬力學(xué)性能試驗(yàn)項目 Rm（MPa） A(%) GB/T標(biāo)準(zhǔn) ≥520 ≥25 例值 590 40 more>

Category:Hardware & Tools/Welding Materials & Accessories/Other Welding Materials

Product Description:A062 Stainless Steel Welding ElectrodeGB/T 983 E309L-16 AWS A5.4 E309L-16 ISO 3581-A-E(23 12 L)R 32 ISO 3581-B-ES 309L-16Application:Suitable for welding similar types of stainless steel structures, composite steel, and dissimilar steel components in equipment manufacturing such as synthetic fiber and petrochemical industries. Also used for transition layer overlay welding on the inner walls of pressure vessels and welding of internal tower components.Characteristics:Rutile-type ultra-low carbon Cr23Ni13 stainless steel electrode with excellent welding process performance and superior crack resistance.Polarity:AC, DC reverse polarity (AC, DC+), DC reverse polarity is recommended.Deposited Metal Chemical Composition (%)Test Item C Mn Si P S Cr Ni Mo Cu GB/T Standard ≤0.04 0.50～2.50 ≤1.00 ≤0.040 ≤0.030 22.0～25.0 12.0～14.0 ≤0.75 ≤0.75 Example Value 0.024 1.32 0.65 0.021 0.007 23.30 12.90 0.045 0.035 Deposited Metal Mechanical PropertiesTest Item Rm（MPa） A(%) GB/T Standard ≥510 ≥25 Example Value 560 42Reference CurrentElectrode Size (mm)Φ2.5Φ3.2Φ4.0Φ5.0Welding Current (A)Flat, Horizontal50～9080～120100～150140～180Vertical, Overhead60～8090～110110～140—Welding Process Key Points:1.Drying requirement: Electrodes must be baked at 300°C for 1 hour before use and used immediately after baking.2.When using AC welding, spatter is greater, the coating tends to redden, and penetration is shallower. Therefore, DC reverse polarity welding is recommended.3.Use low current and short arc welding as much as possible during welding, with minimal oscillation amplitude. more>