Permatex Steel Weld Epoxy 2 oz, is a versatile, easy-to-use, multi-metal epoxy adhesive that eliminates the need for welding or brazing, has two-part adhesive and filler system, dries dark grey, permanent strength up to 4500 PSI, can be drilled, filed and threadedI, ideal for complex, multi-piece assemblies, bonds rigid materials including aluminum, brass, chrome, copper, iron, stainless steel, steel, use to seal welded seams, fills metal cracks, mount metal components.