JB Weld Steel Stik is a hand-mixable, steel reinforced epoxy putty that does not rust and forms an industrial-strength polymer that can be molded into shapes. It can be used on aluminum, brass, bronze, copper, iron, stainless steel, brick, ceramic, concrete, under water and more. It sets in 3-5 minutes and cures in 1 hour. Can be drilled, tapped, machined, ground, filed, and painted after fully curing. It has a tensile strength of 900 PSI.