... stretch and shape, such as embossing. If the tensile steel, pipe, smashed head, wire, heating wire nail, stainless steel products, annealing, ... etc. , for example the steel pipe pulls to stretch. bend the tube and hit head, the steel wire, steel wire heats ... frequency) Carbide cutting tools weld, for example: Tuning tool, Milling cutter, Planning tool, Diamond saw-toothed weld, Saw tooth weld, ...