... to stretch, the shape presses flower etc. , for example the steel pipe pulls to stretch. bend ... parts, the Quenching for surface, of inside bore or part or for the whole. for example :Quenching for hammer knife. shear ... (change to high frequency) Carbide cutting tools weld, for example: Tuning tool, Milling cutter, Planning tool, ... stainless steel a bottom welds etc. 18KW induction furnace KX-5188A18