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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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FeaturedOct 16, 2026
ER2209 vs E2209 for Duplex 2205: Solid Wire, Flux-Cored Wire, or Stick Electrode?
Choosing ER2209 solid wire, E2209 flux-cored wire, or a stick electrode for Duplex 2205? Compare the product forms, welding processes, and key selection requirements.
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Oct 15, 2026
Can I Substitute One AWS Welding Wire for Another? What Should I Check?
Can you replace one AWS welding wire with another? Check classification, base material, mechanical properties and welding procedure requirements before approving a substitute.
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Why Does My Low-Temperature Weld Pass Tensile Test but Fail Charpy Impact Test?
Why does a low-temperature weld pass tensile test but fail the Charpy impact test? Learn how welding wire selection, weld toughness and temperature affect low-temperature steel welding performance.
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.
Email
info@gdweld.com
WHATSAPP
+86 189 5451 5522
Office
District Lingcheng,City Dezhou,Province Shandong,
China
Working Time
From Monday To Friday
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If you are looking for a specific or hard-to-source welding grade...