FEEDING LUBRICANT FOR CORED WELDING ELECTRODE, CORED WELDING ELECTRODE AND GMAW PROCESS

摘要

A feeding lubricant for use on a welding electrode comprises about 10 to 40 wt.% of at least one soap-based lubricant, about 40 to 90 wt.% of at least one solid particulate lubricant selected from MoS2, WS2, ZnO, graphite and PTFE and up to 20 wt.% of at least one optional additional particulate lubricant ingredient.