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

Product Description:D266 Hardfacing Welding ElectrodeGB/T 984 EDMn-B-16Application:Suitable for hardfacing impact-prone and wear-resistant parts such as various crushers, high manganese steel rails, buckets, and bulldozers.Characteristics:A high manganese hardfacing electrode with low-hydrogen potassium coating. The deposited metal is austenitic high manganese steel, featuring work hardening, toughness, and wear resistance. The addition of Mo enhances crack resistance and wear performance.Polarity:AC, DC reverse polarity (AC, DC+)Chemical Composition of Deposited Metal (%)Test ItemCMnSiMoTotal Other ElementsGB/T Standard≤1.1011.00～18.00≤1.30≤2.50≤1.00Typical Value0.6514.600.751.00——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 immediately after baking.2. Use low current and narrow weld beads during hardfacing.3. When hardfacing high manganese steel workpieces, remove the fatigued layer, perform water toughening treatment, or use chromium-manganese steel electrodes (e.g., D277) for backing.4. Significant yellow fumes are generated during hardfacing; ensure strong ventilation and operate from upwind positions. more>

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

Product Description:D172 Hardfacing ElectrodeGB/T 984 EDPCrMo-A3-03Application:Suitable for hardfacing worn parts such as gears, dredge buckets, tractor scraper blades, deep plowshares, and mining machinery.Characteristics:A CrMo-type hardfacing electrode with titania-calcium coating. It offers stable arc performance, easy slag removal, and excellent welding properties.Polarity:AC/DC (both alternating and direct current)Deposited Metal Chemical Composition (%)Test ItemCCrMoGB/T Standard≤0.50≤2.50≤2.50Typical Value0.302.151.50Hardfacing Metal HardnessTest ItemHRC (4 layers or more)GB/T Standard≥40Reference CurrentElectrode Size (mm)Φ3.2Φ4.0Φ5.0Welding Current (A)90～130120～170160～210Welding Guidelines:1. Drying requirement: Electrodes must be baked at 150°C for 1 hour before use and used while still warm.2. For large workpieces, preheat to approximately 300°C and ensure the hardfacing surface is free from rust and oil contamination. more>

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

Product Description:TA9 Titanium Welding Wire Straight RodOther 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 Rod, Natural Coil, Wound Coil (D100/D300)Surface Treatment: Pickled Surface / Bright SurfacePackaging Types:1- Straight Rod: 5kg/bag/plastic box,2- Wound Coil: 0.8kg/coil, 1kg/coil, 10kg/coil,3- Natural Coil: 20~80kg/coil4- Customized as per customer requirementsApplication Fields:Aerospace, Power Energy, Military Defense, 3D Printing, Petroleum, Chemical, Automotive, Construction, Jewelry, Medical, and other industries<img src="https://img-i-album.toocle.com/view/2025/06/06/a0/6842a46a282a0.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/06/6a/6842a4735ef6a.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/06/eb/6842a478568eb.png" style="max-width: 100%;"/>Aircraft, Ships, Natural Gas, Automotive, Corrosion-Resistant Containers, Reactors, Heat Exchangers, Various Pumps and Valves, Boilers, Turbine Blades, etc. more>

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

Product Description:Low Alloy Steel Welding ElectrodeH03 Welding Electrode Complies with: GB/T5117-2012 E5015-GDescription: H03 is a low-hydrogen sodium type low alloy steel electrode, featuring excellent welding process performance, crack resistance, as well as good plasticity and toughness. Using DC reverse polarity, it enables all-position welding, with the weld seam exhibiting good resistance to atmospheric and seawater corrosion.Application: Used for welding 10CrMoAl steel resistant to seawater corrosion, and can also be applied to other corresponding corrosion-resistant steel structures.<img src="https://img-i-album.toocle.com/view/2025/06/05/c7/684166646a3c7.png" style="max-width:100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/05/50/684166768cc50.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/05/4c/68416685abd4c.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/05/f4/6841668c31ef4.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/05/a5/6841669c749a5.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/05/f6/684166a1a00f6.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/05/d5/684166a9df7d5.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/05/1a/684166ae5421a.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/05/5b/684166b31805b.png" style="max-width: 100%;"/> more>

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

Product Description:GB/T 983 E2594-16 AWS A5.4 E2594-16Application:Suitable for welding similar types of duplex stainless steel in the offshore oil, natural gas, and petrochemical industries, such as 022Cr25Ni7Mo4N, 03Cr25Ni6Mo3Cu2N, etc.Characteristics:An ultra-low carbon nitrogen-bearing duplex stainless steel electrode with a rutile-type coating. It offers excellent welding process performance, stable arc, minimal spatter, aesthetically pleasing bead formation, and resistance to coating reddening. The deposited metal has good resistance to hot cracking. Due to its extremely low carbon content and the presence of molybdenum and nitrogen, the deposited metal exhibits excellent resistance to pitting and stress corrosion cracking.Polarity:AC, DC reverse polarity (AC, DC+), with DC reverse polarity recommended.Chemical Composition of Deposited Metal (%)Test Item C Mn Si P S Cr Ni Mo Cu N GB/T Standard ≤0.04 0.5～2.0 ≤1.00 ≤0.040 ≤0.030 24.0～27.0 8.0～10.5 3.5～4.5 ≤0.75 0.20～0.30 Example Value 0.025 0.97 0.73 0.014 0.007 25.10 9.20 3.87 0.010 0.25 Mechanical Properties of Deposited MetalTest Item Rm (MPa) A (%) GB/T Standard ≥760 ≥13 Example Value 880 25 Welding Positions<img src="https://www.tjgoldenbridge.com/Plugins/products/Uploads/Images/TableImage_1_d21155be-4a84-43c2-aa7e-603a0ae090ff.jpeg"/><img src="https://www.tjgoldenbridge.com/Plugins/products/Uploads/Images/TableImage_1_9e5db43a-cfc3-4e39-a45e-5141319b7995.jpeg"/><img src="https://www.tjgoldenbridge.com/Plugins/products/Uploads/Images/TableImage_1_cb4cfaec-227e-4798-9bcd-e8031a526d1a.jpeg"/><img src="https://www.tjgoldenbridge.com/Plugins/products/Uploads/Images/TableImage_1_fd9225bb-da98-449d-b610-62f37fb7cbaa.jpeg"/><img src="https://www.tjgoldenbridge.com/Plugins/products/Uploads/Images/TableImage_1_9c88b1fb-0cd5-4648-8dbc-b39edcf487c8.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. When using AC welding, spatter is greater, the coating is prone to reddening, and penetration is shallower. Therefore, DC reverse polarity welding is recommended.3. Use as low a current as possible and short arc welding during operation, with minimal weaving amplitude. more>

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

Product Description:NameERTi-12 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). 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 industry, automotive, construction, jewelry, medical, and other industries.Aircraft, ships, natural gas, automobiles, corrosion-resistant vessels, 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<img src="https://img-i-album.toocle.com/view/2025/06/09/8c/68464f569298c.png" style="max-width:100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/32/68464f64c5132.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/77/68464f6933677.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/78/68464f6dc9e78.png" style="max-width: 100%;"/> more>

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

Product Description:Submerged Arc Welding Wire and FluxH09MnSH(A)/SJ204SH(A) Equivalent: GB/T12470 H10Mn2Description: H09MnSH is a copper-coated submerged arc welding wire for hydrogen-resistant steel, used with the corresponding flux SJ204SH for submerged arc automatic welding. It provides good weld bead formation, easy slag removal in grooves, low S and P content in deposited metal, and excellent resistance to hydrogen-induced corrosion.Application: Used for welding hydrogen-induced cracking resistant steel (HIC), such as 16MnR(HIC). more>

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

Product Description:Application:Suitable for welding corrosion-resistant stainless steel structures with operating temperatures below 300°C, such as Cr18Ni8, Cr17Ni7, 301, 302, 304 stainless steel or valve overlay welding.Characteristics:Rutile-type coated Cr18Ni8 stainless steel electrode with excellent welding process performance, stable arc, minimal spatter, good slag removal, and aesthetically pleasing weld formation.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 Guaranteed Value ≤0.08 0.50～2.50 ≤1.00 ≤0.040 ≤0.030 17.0～20.0 7.5～10.5 ≤0.75 ≤0.75 Example Value 0.043 0.80 0.75 0.037 0.006 18.20 8.20 0.065 0.35 Deposited Metal Mechanical PropertiesTest Item Rm (MPa) A (%) Guaranteed Value ≥550 ≥30 Example Value 595 37 more>

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

Product Description:Heat-resistant Steel Welding ElectrodeR717 Conforms to: AWS A5.5 E9015-B9Description: R717 is a low-hydrogen sodium-coated martensitic heat-resistant steel welding electrode. It uses DC reverse polarity and short arc            operation for all-position welding. Preheating and interpass temperature of the weldment should be controlled between 232–288°C, and post-weld            tempering treatment at 730–760°C is required.Application: Used for welding heat-resistant steels such as ZG1Cr10MoVNbN in supercritical steam turbines and T91/P91 pipelines. more>

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

Product Description:A312 Stainless Steel Welding ElectrodeGB/T 983 E309Mo-16 AWS A5.4 E309Mo-16 ISO 3581-B-ES 309Mo-16Application:Suitable for welding the same type of stainless steel containers resistant to L-acid medium (sulfuric acid ammonia) corrosion. It can also be used for stainless steel lining, clad steel plates, dissimilar steels, etc.Characteristics:Rutile-type coated Cr23Ni13Mo2 stainless steel electrode with good welding process performance, excellent corrosion resistance, crack resistance, and oxidation resistance.Power Polarity:AC, DC reverse polarity (AC, DC+). DC reverse polarity is recommended.Deposited Metal Chemical Composition (%)Test ItemCMnSiPSCrNiMoCuGB/T Standard≤0.120.50～ 2.50≤1.00≤0.040≤0.03022.0～25.012.0～14.02.0～ 3.0≤0.75Example Value0.0521.400.680.0220.00923.1012.742.360.038Deposited Metal Mechanical PropertiesTest ItemRm（MPa）A(%)GB/T Standard≥550≥25Example Value61540Reference 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. When using AC welding, spatter is larger, the coating is prone to reddening, 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>

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

Product Description:NameERTi-5 Titanium Welding WireGrade ERTi-5Executive StandardASTM B863, AWS A5.16, GB/T3623, GB/T30562, NB/T47018.7Supply Specifications0.4~6.0mm x L, Straight WireSupply Surface-1). Black Surface (with oxide scale)-2). Pickled Surface (peeled, deoxidized)-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 vessels, reaction kettles, heat exchangers, various pumps and valves, boilers, turbine blades, etc.Packaging Type1- Straight Wire: 5kg/bag/plastic box,2- Coiled Wire: 0.8kg/coil, 1kg/coil, 10kg/coil,3- Natural Coil: 20~80kg/coil4- Customized as per customer requirements more>

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

Product Description:Grade:ER TA1  ELI ER TA2   ELIER TA3   ELI ER TA4   ELI ER TA9   ERTA10Common Specifications: Φ0.8 Φ1.0 Φ1.5 Φ2.0 Φ2.4 Φ3.0 Φ3.2Surface Condition: Pickled, Polished.Application: Titanium welding wire is used for welding titanium reaction kettles, storage tanks for acidic or alkaline substances, titanium pipes, and titanium equipment.         Ingots used for producing welding wire and filler wire should be melted in a vacuum consumable arc furnace, with no fewer than two melting cycles.Precautions for Using Titanium Welding Wire1. Operators and welders should wear clean white fine gauze gloves (cotton gloves are strictly prohibited).2. The treated welding area must not be touched by hand or come into contact with iron objects.3. Welding should be performed indoors as much as possible, with an ambient wind speed ≤0.5m/s, avoiding drafts.4. Use short arc welding whenever possible, with low heat input, and maintain a nozzle-to-workpiece angle of 70–80 degrees.5. For butt joint tack welding, the gap should generally be around 0.5mm.6. Each weld should ideally be completed in one pass. If welding must be resumed, the interface should be cleaned beforehand, with an overlap length of 10–15mm.7. During welding, the torch should not swing side to side, and the melting end of the wire must not leave the gas protection zone.8. When initiating the arc, gas should be supplied in advance. When extinguishing the arc, do not lift the torch immediately; delay gas cutoff until the temperature drops below 250°C.9. The distance between the gas protection trailing shield and the torch should be as short as possible, and the gap contacting the pipe wall should be minimized. For pipe butt welding, to achieve single-sided welding with double-sided formation, welding is performed in two steps: one for root welding (which may not require filler material), and another for formation welding. In multi-pass welding, each pass must cool completely before proceeding to the next.Metallographic Inspection      Transverse metallographic examination (macrostructure) of welding and filler wires should show no cracks, folds, pores, delamination, pipe, metal or non-metallic inclusions, or other defects affecting usability.Surface and Macroscopic Quality      Welding and filler wire surfaces should be clean and smooth, free of burrs, dents, scratches, scale, folds, or other defects affecting use. There should be no contamination from lubricants or foreign substances.Longitudinal Bend Properties of Deposited Metal      After bending a longitudinal bend specimen of deposited metal to the specified angle, there should be no open defects in the deposited metal on the tension side exceeding 3mm in length in any direction. Corner defects in the deposited metal of the specimen may be disregarded, but those caused by lack of fusion, slag inclusions, or other internal defects are not acceptable.<img src="https://img-i-album.toocle.com/view/2025/06/09/81/684689144de81.png" style="max-width:100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/fb/68468926091fb.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/71/6846892b74b71.png" style="max-width: 100%;" width="739" height="727.82"/><img src="https://img-i-album.toocle.com/view/2025/06/09/74/6846893072c74.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/b1/6846894a9efb1.png" style="max-width: 100%;" width="746" height="719.43"/><img src="https://img-i-album.toocle.com/view/2025/06/09/5a/6846894d45d5a.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/5d/684689528115d.png" style="max-width: 100%;"/> more>

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

Product Description:A207 Stainless Steel Welding ElectrodeGB/T 983 E316-15 AWS A5.4 E316-15 ISO 3581-A-E(19 12 2)B 4 2 ISO 3581-B-ES 316-15Application:Suitable for welding 06Cr17Ni12Mo2 stainless steel equipment, high-chromium steels (such as Cr13, Cr17) that do not undergo post-weld heat treatment, and dissimilar steels.Characteristics:Basic coated Cr18Ni12Mo2 stainless steel electrode with excellent welding process performance, corrosion resistance, heat resistance, and crack resistance.Power Polarity:Direct current reverse polarity (DC+).Deposited Metal Chemical Composition (%)Test Item C Mn Si P S Cr Ni Mo Cu GB/T Standard ≤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 Deposited Metal Mechanical PropertiesTest Item Rm (MPa) A(%) GB/T Standard ≥520 ≥25 Reference 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/Fasteners & Connectors/Other Fasteners & Connectors

Product Description:<img src="https://img-i-album.toocle.com/view/2025/06/09/d3/6846a9b6a82d3.png" style="max-width:100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/73/6846a9bc93b73.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/67/6846a9c089e67.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/76/6846a9c495f76.png" style="max-width: 100%;"/><img src="https://img-i-album.toocle.com/view/2025/06/09/01/6846a9c8ddf01.png" style="max-width: 100%;"/> more>

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

Product Description:ZL101A Aluminum Alloy Welding Wire: The "Practical Choice" for Cast Aluminum Alloy Repair and Lightweight WeldingIn fields such as automotive parts, medical devices, and general machinery, ZL101A cast aluminum alloy is widely used to manufacture lightweight structural components (e.g., engine cylinder heads, medical device housings). These components often require welding repairs during production or use, or need to be joined with other aluminum alloy parts. As a specialized welding wire for Al-Si series cast aluminum alloys (compliant with GB/T 10858 standard), ZL101A aluminum alloy welding wire features a composition design centered on "silicon as the primary alloying element + low impurity content." It demonstrates excellent fusion properties, low crack sensitivity, and good corrosion resistance in cast aluminum alloy welding repairs, making it the "practical choice" for welding and repairing lightweight cast aluminum alloy structures. It provides a reliable solution for low-cost, high-efficiency aluminum alloy welding needs.I. Composition Analysis of ZL101A Aluminum Alloy Welding Wire: A "Tailored Formula" for Cast Aluminum AlloysThe composition design of ZL101A focuses on "matching the characteristics of cast aluminum alloys and reducing welding defects." Its core elements and impurity control are precise, ensuring compatibility with the properties of ZL101A cast aluminum alloy base metal:1. Core Alloying Elements: Balancing Fusion and Basic Properties?Aluminum (Al): Matrix element, content ≥88%As the base metal, aluminum provides the welding wire with low density (approximately 2.68g/cm3), which is close to that of ZL101A cast aluminum alloy (density 2.67g/cm3), ensuring consistent lightweighting effects in the welded structure. Additionally, aluminum serves as a solid solution carrier for silicon, ensuring metallurgical compatibility between the weld and the base metal.?Silicon (Si): Primary alloying element, content 6.5%-7.5%Silicon is the core functional element of ZL101A welding wire. On one hand, high silicon content lowers the melting point of the aluminum alloy weld pool (approximately 577°C, lower than pure aluminum's 660°C), improves fluidity, facilitates the filling of casting defects (such as shrinkage cavities and pinholes) in cast aluminum alloys, and enhances repair quality. On the other hand, silicon forms an Al-Si solid solution with aluminum, increasing weld strength through solid solution strengthening (tensile strength ≥180MPa) while reducing the weld's hot cracking sensitivity—a common defect in cast aluminum alloy welding.?Magnesium (Mg): Secondary strengthening element, content 0.2%-0.4%Trace amounts of magnesium work synergistically with silicon to form Mg?Si strengthening phases, which can slightly increase weld strength after aging treatment (10%-15% improvement compared to magnesium-free wires). Additionally, magnesium improves the weld's resistance to atmospheric corrosion, preventing localized oxidation and corrosion in outdoor components over long-term use.2. Impurity Element Control: Minimizing Defects and Performance Fluctuations?Iron (Fe): ≤0.20%Iron is a major harmful impurity in cast aluminum alloy welding. Excessive iron forms coarse FeAl?-Si brittle phases, reducing weld toughness and increasing cracking risk. ZL101A limits iron content to low levels through process control, avoiding damage from brittle phases and ensuring weld elongation ≥6%.?Copper (Cu): ≤0.10%, Zinc (Zn): ≤0.10%Excessive copper and zinc reduce weld corrosion resistance, especially in humid or salt spray environments where pitting corrosion can occur. ZL101A strictly controls their content, ensuring a corrosion rate ≤0.06mm/year in neutral environments, meeting the corrosion resistance requirements of general machinery.?Titanium (Ti): 0.08%-0.20%As a grain refiner, titanium forms TiAl? nucleation sites during weld solidification, refining weld grain size from 80-120μm (typical for Al-Si wires) to 30-50μm. This reduces intergranular segregation and further lowers hot cracking sensitivity, achieving a hot cracking tendency rating ≤ Grade 2 (per GB/T 22086 standard).II. Performance Advantages of ZL101A Aluminum Alloy Welding Wire: "Practical Characteristics" for Casting ScenariosThanks to its targeted composition design, ZL101A exhibits four core performance advantages, perfectly meeting the needs of cast aluminum alloy welding and repair:1. Excellent Compatibility with Cast Aluminum Alloys: Superior Fusion and Repair Results?High Base Metal Compatibility: ZL101A welding wire composition closely matches ZL101A cast aluminum alloy (Si 6.0%-8.0%, Mg 0.2%-0.4%). Welds transition smoothly to the base metal without significant composition segregation, avoiding electrochemical corrosion due to compositional differences. When repairing casting defects (e.g., shrinkage cavities ≤3mm diameter), the weld pool fully fills defects, with post-repair weld strength differing ≤10% from the base metal, meeting component load-bearing requirements.?Low Crack Sensitivity: Due to high silicon content (6.5%-7.5%) and titanium grain refinement, the weld solidification temperature range is narrow (approximately 40-50°C), with low shrinkage stress. When welding cast aluminum alloy components with thicknesses of 5-20mm, hot cracking can be avoided without complex preheating, reducing hot cracking rates to below 2% compared to ordinary Al-Mg wires (hot cracking rate ≥8%).2. Good Mechanical Properties: Meeting General Structural Needs?Room Temperature Strength: In the as-welded condition, weld tensile strength ≥180MPa, yield strength ≥100MPa, elongation ≥6%. After T6 heat treatment (solution treatment 535°C×2h + water quenching + aging 170°C×8h), tensile strength can increase to 220MPa, matching the strength requirements of ZL101A cast aluminum alloy base metal (T6 condition tensile strength 220-250MPa). Suitable for medium-load structures such as engine accessories and medical device brackets.?Good Machinability: Weld metal hardness is moderate (HB 50-60), allowing subsequent machining like milling and drilling. Machined surface roughness can reach Ra 1.6μm, meeting the appearance and dimensional accuracy requirements of precision parts (e.g., instrument housings).3. Reliable Corrosion Resistance and Processability: Adapting to Multiple Scenarios?Corrosion Resistance: In GB/T 19292.1 neutral salt spray tests (5% NaCl solution, 35°C), after 1000 hours, the weld surface shows only slight oxidation without pitting or spalling. Corrosion rate ≤0.06mm/year, meeting the requirements for automotive parts and outdoor machinery in non-extreme corrosion environments.?Weld Processability: Compatible with TIG/MIG and gas welding. Particularly in gas welding, the weld pool has good fluidity, enabling small casting repairs without complex equipment. In arc welding, spatter rate ≤5%, slag removal is easy, and weld appearance is neat (reinforcement ≤2mm), reducing post-weld cleaning. Supports multiple positions (flat, vertical, etc.), adapting to complex casting welding needs.III. Key Points of ZL101A Aluminum Alloy Welding Process: Precise Control for Improved Repair QualityThe ZL101A welding process should focus on "matching cast aluminum alloy characteristics and reducing defects." It is relatively simple to operate, suitable for small to medium batch production and on-site repairs:1. Pre-Weld Preparation: Targeted Treatment for Castings?Welding Wire Pretreatment:?Surface Cleaning: Welding wire surfaces easily form an oxide film (Al?O?). Before use, clean with a stainless steel brush along the axis or immerse in 5% NaOH solution at room temperature for 3 minutes → rinse with water → passivate in 10% HNO? solution for 2 minutes → dry at 100°C to remove oxide film and moisture, preventing weld porosity.?Drying: In humid environments (relative humidity >60%), dry wire in an oven at 100-120°C for 1 hour to avoid moisture absorption causing porosity.?Workpiece Pretreatment:?Defect Cleaning (Repair Scenarios): Grind casting defects like shrinkage cavities and sand holes into a "U-shaped" groove (groove width ≥2× defect diameter, depth to defect end) using an angle grinder. Wipe with acetone to remove grinding dust and oil, ensuring thorough defect cleaning.?Surface Cleaning (Joining Scenarios): Grind the welding area and surrounding 20mm with sandpaper to remove oxide film, revealing metallic luster. If paint or oil is present, clean with alcohol or paint thinner.?Preheating: For castings >15mm thick or with high rigidity, preheat to 80-120°C (monitor with temperature-sensitive crayon) to reduce welding stress. Thin-walled parts ≤15mm can be welded directly without preheating.2. Welding Process Control: Adapting to Casting Welding Needs?Welding Parameter Selection:Common ZL101A wire diameters are 1.6mm, 2.0mm, and 2.5mm, compatible with TIG/MIG and gas welding. Parameter references are as follows:Wire DiameterWelding MethodWelding Current (DCEN)Welding VoltageArgon Flow RateWelding SpeedApplication Scenario1.6mmTIG70-100A9-12V7-9L/min70-100mm/minThin-walled casting repair (e.g., medical device housings, thickness 3-8mm)2.0mmMIG100-130A17-20V10-12L/min90-130mm/minMedium-thickness casting joining (e.g., engine accessories, thickness 8-15mm)2.5mmGas Welding---50-80mm/minOn-site repair (e.g., agricultural machinery castings, no power supply scenarios)Key Control Points:?Use DCEN (Direct Current Electrode Negative) for TIG to reduce silicon loss (silicon loss rate ≤2%), ensuring weld composition matches base metal.?Use neutral flame in gas welding, with flame core 3-5mm from workpiece surface to avoid oxidation (which reduces corrosion resistance).?Welding Speed: For defect repair, use slower speed (50-80mm/min) to ensure full filling; for joining, use faster speed (90-130mm/min) to reduce heat input and prevent casting deformation.?Operation Techniques:?For repairing shrinkage cavities and sand holes, use "multi-layer deposition," with each layer ≤2mm thick. Allow natural cooling to room temperature between layers to avoid coarse grains from high interpass temperature.?When welding casting edges, slightly oscillate the torch (oscillation amplitude ≤2× wire diameter) to ensure full fusion and avoid lack of fusion defects.3. Post-Weld Treatment: Simplifying Processes and Reducing Costs?Cooling and Cleaning:?After welding, allow natural cooling to room temperature. Avoid forced cooling (castings have poor thermal conductivity; forced cooling may cause internal stress).?After cooling, clean slag with a wire brush. If oxide scale is present, pickle with 10% HNO? solution for 5 minutes → rinse with water → dry to improve appearance.?Heat Treatment (Optional):?For components requiring high strength (e.g., load-bearing brackets), perform T6 heat treatment (solution treatment 535°C×2h + water quenching + aging 170°C×8h) to increase weld strength to 220MPa. For components with lower strength requirements (e.g., decorative parts), omit heat treatment and use as-welded condition.?Quality Inspection:?Visual Inspection: Weld surface free of pores, cracks, and lack of fusion; repaired areas without depressions.?Non-Destructive Testing: Important components (e.g., engine cylinder heads) require penetrant testing (PT) to ensure no internal micro-defects.?Mechanical Property Sampling: Tensile tests to verify weld tensile strength ≥180MPa (as-welded) or ≥220MPa (T6 condition).IV. Application Fields of ZL101A Aluminum Alloy Welding Wire: Focusing on Casting and Lightweighting ScenariosThe practicality and cost advantages of ZL101A make it widely used in cast aluminum alloy-related fields, primarily including:1. Automotive and Agricultural Machinery: Cast Component Repair and Joining?Engine Cylinder Head Repair: Engine cylinder heads (ZL101A cast aluminum) in cars and agricultural machinery are prone to leakage due to casting defects (e.g., pinholes, small shrinkage cavities). After TIG repair with ZL101A wire, welds exhibit good sealing, withstanding pressure ≥0.8MPa (engine cooling system working pressure). One agricultural machinery factory achieved a 95% pass rate for repaired heads, reducing costs by 60% compared to replacement.?Aluminum Alloy Wheel Welding: For joining spokes and rims of lightweight aluminum alloy wheels (partially made of ZL101A cast alloy), MIG welding with ZL101A wire achieves tensile strength ≥200MPa, meeting load-bearing requirements. Welding costs are only 2/3 of ER5356, suitable for batch production.2. Medical Device Field: Lightweight Housing Manufacturing?Diagnostic Instrument Housing Welding: Lightweight housings (ZL101A cast) for medical devices like ultrasound and blood cell analyzers require welding mounting brackets or interfaces. ZL101A wire produces aesthetically pleasing welds, with machined surface roughness reaching Ra 1.6μm, meeting precision appearance requirements. Welds also avoid heavy metal ion leaching (compliant with GB 9684), ensuring safety.3. General Machinery: Small to Medium Casting Repair?Pump and Valve Body Repair: Pump bodies and valve housings (ZL101A cast) often leak due to wear or casting defects. On-site gas welding repair with ZL101A wire avoids disassembly. Repaired welds resist water corrosion (corrosion rate ≤0.06mm/year in tap water), with service life exceeding 3 years. One pump manufacturer reduced failure rates by 40% using this method.4. Electronics Field: Lightweight Structure Joining?Communication Equipment Housing Welding: Lightweight aluminum alloy housings (ZL101A cast) for 5G base stations and routers require welding heat sinks or mounting lugs. ZL101A wire maintains consistent lightweighting (density 2.68g/cm3), with thermal conductivity ≥150W/(m·K), not affecting heat dissipation. Suitable for electronics lightweighting and thermal management needs. more>

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

Product Description:A102 Stainless Steel Welding ElectrodeGB/T 983 E308-16 AWS A5.4 E308-16 ISO 3581-A-E(19 9) R 3 2 ISO 3581-B-ES 308-16Application:Suitable for welding corrosion-resistant 06Cr19Ni10 and 06Cr18Ni11Ti stainless steel structures operating at temperatures below 300°C.Characteristics:Rutile-type coated Cr19Ni10 stainless steel electrode with excellent welding process performance and anti-porosity properties. The coating resists reddening and cracking, while the deposited metal exhibits good mechanical properties and resistance to intergranular corrosion.Polarity:AC, DC reverse polarity (AC, DC+), with DC reverse polarity recommended.Chemical Composition of Deposited Metal (%)Test Item C Mn Si P S Cr Ni Mo Cu GB/T Standard ≤0.08 0.50～2.50 ≤1.00 ≤0.040 ≤0.030 18.0～21.0 9.0～11.0 ≤0.75 ≤0.75 Example Value 0.038 1.35 0.68 0.022 0.008 19.75 9.60 0.064 0.010 Mechanical Properties of Deposited MetalTest Item Rm（MPa） A(%) GB/T Standard ≥550 ≥30 Example Value 590 45 more>