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Aluminum & Copper Alloys
ER1050
ER1050 (Al99.5) is pure aluminum filler wire for welding 1xxx series pure aluminum materials.
Aluminum & Copper Alloys
ER1070
ER1070 (Al99.7) is ultra-high purity aluminum filler wire specially for welding 1xxx high-purity aluminum materials.
Aluminum & Copper Alloys
ER1100
ER1100 (Al99.0) is commercial pure aluminum filler wire for welding general 1xxx pure aluminum materials.
Aluminum & Copper Alloys
ER2329
ER2329 (AlCu6.3MnZr) is high-strength aluminum-copper filler wire for welding 2xxx aerospace aluminum alloys.
Aluminum & Copper Alloys
ER4046
ER4046 (AlSi10Mg) is an aluminum-silicon-magnesium filler wire for welding cast aluminum and 6xxx wrought aluminum alloys.
Aluminum & Copper Alloys
ER4047
ER4047 (commonly referred to as “718 aluminum” or AISi12) is an aluminum filler metal which contains approximately 12% silicon.
Aluminum & Copper Alloys
ER4643
ER4643 (AlSi4) is a low-silicon aluminum-silicon filler wire for welding heat-treatable 6xxx aluminum alloys.
Aluminum & Copper Alloys
ER5087
ER5087 (AlMg4.5MnZr) is an aluminum-magnesium filler metal containing approx. 4.8% magnesium with zirconium grain refiner.
Aluminum & Copper Alloys
ER5183
ER5183 has significantly higher manganese content than ER5356, delivering finer grains, enhanced weld toughness, and superior resistance to intergranular cor...
Aluminum & Copper Alloys
ER5356
ER5356 (commonly referred to as AIMg5) is a 5% magnesium aluminum filler metal that is available for MIG or TIG welding processes.
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Technical Blog
Welding Guides & Technical Resources
Practical guides for selecting welding consumables, understanding AWS classifications and solving material-specific welding challenges.
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FeaturedSep 24, 2026
Why Is Cr-Mo Weld Hardness Too High After PWHT?
For Cr-Mo steel welding, PWHT is commonly used to reduce residual stress and obtain the required weld properties. But sometimes the weld hardness is still too high after PWHT.
Latest
Sep 21, 2026
ER80S-Ni1 Welding Wire: Low-Temperature Steel Applications & Selection
Learn how ER80S-Ni1 welding wire is used for low-temperature steel, including pipelines, pressure vessels and tanks. Compare toughness, applications and key selection factors.
Sep 21, 2026
Why Are Cr-Mo Welding Consumables Used in High-Temperature Applications
Learn about Cr-Mo welding consumables, including ER80S-B2, ER90S-B3, ER80S-B6 and ER80S-B8, with common materials, applications and selection tips.
About GD WELD
Specialty Welding Consumables
Looking for a specific or hard-to-source welding grade? Send us your AWS classification, base material, diameter and application. We will help you identify a suitable product and supply solution.
GD WELD is a China-based specialty welding consumables supplier, focused on sourcing and supplying welding wires and electrodes for demanding industrial applications. Specialty Grades · Reliable Sourcing · Technical Matching · Global Supply
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Specialty Welding Consumables
Need a hard-to-source welding consumables? Please contact GD WELD.
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info@gdweld.com
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+86 189 5451 5522
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Yiwu International Trade Avenue, Jinhua City, Province
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If you are looking for a specific or hard-to-source welding grade...