AWS Class ERCuSi-A MIG & TIG Welding Wire is used for welding copper alloys and suitable dissimilar metals where smooth, reliable welds are required. Nicorex Alloys supplies ERCuSi-A welding wire for fabrication, automotive, engineering, and industrial welding applications. Visit our website for product details and specifications - https://www.nicorexalloys.com/ercusi-a-mig-tig-welding-wire-supplier