WESTWARD Welding Wire: Copper, ERCuSi-A, 0.045 in
The WESTWARD MIG Welding Wire is a silicon-bronze MIG welding wire (ERCuSi-A) supplied on a plastic spool. It features a copper material composition and a tensile strength (as welded) of 50 ksi. The wire has a…
SKU 3G-OTH-363252
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Product Description
The WESTWARD MIG Welding Wire is a silicon-bronze MIG welding wire (ERCuSi-A) supplied on a plastic spool. It features a copper material composition and a tensile strength (as welded) of 50 ksi. The wire has a diameter of 0.045 in and a net weight of 33 lb.
Frequently Asked Questions
What is WESTWARD MIG Welding Wire used for?
WESTWARD MIG Welding Wire (ERCuSi-A) is a silicon-bronze wire used for MIG welding copper and copper alloys. It is commonly applied in automotive repair, marine fabrication, and artistic metalwork where a strong, corrosion-resistant joint is needed.
What are the specifications of WESTWARD MIG Welding Wire?
The WESTWARD MIG Welding Wire is a silicon-bronze ERCuSi-A wire with a copper material composition. It has a diameter of 0.045 in, a net weight of 33 lb, and a tensile strength (as welded) of 50 ksi. It comes on a plastic spool with MPN 30XP81.
Where to buy WESTWARD MIG Welding Wire worldwide?
You can source WESTWARD MIG Welding Wire through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring your order arrives reliably.
How to select the right MIG welding wire for copper?
For copper welding, select a silicon-bronze wire like WESTWARD ERCuSi-A. Match the wire diameter to your base metal thickness and welding parameters. Ensure your MIG machine supports the wire size and use a shielding gas such as argon for best results.
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3G Electric supplies WESTWARD silicon-bronze mig welding wire. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.







