... spot welding machine output from 100WS to 18000WS. especially suit for welding purple copper, bronze, brass, aluminum, ag, stainless steel and so ... melt 8MM stainless steel, aluminum, titanium, ag and so on color metals. overcome the difficult problems welding copper, aluminum and so ... -10KMain Unit700105017501100 Power Source850100015003502.6×23.0×2 stainless steel panhandle spot welding machine