Most clad metals are composites of the cladding metal for instance stainless steel, nickel and nickel alloys, and copper and copper alloys welded into a backing substance of possibly carbon or alloy steel. The two metals are welded jointly in a mill in a very roll less than heat and https://linkeei.com/post/209365_zinc-coated-materials-are-protected-from-corrosion-commonly-used-in-construction.html