Washington Alloy Co. UNS/CDA W60189 RAINIER 4A

Specifications AWS A5.6 Class Ecu DC Reverse Polarity (Electrode+) High Purity Copper Electrode for Joining Copper and Overlaying Steel Features Rainier 4A produces high purity copper weld deposits. Corrosion resistance and electrical conductivity is excellent. Perfect color match to copper. Applications Rainier 4A is a copper-cored flux-coated electrode used to surface, build-up, and fabricate electrolytic tough pitch and oxygen-free copper. Excellent for applications that require high corrosion resistance. Commonly used to overlay steel or to join heavier sections of copper to steel.