... customer to strand the wire Materials are Iron chrome alloy wire,copper nickel alloy wire,nickel chrome wire... We are the professional ... Constantan Alloys). In the form of round wire, ribbon/strip:Round Wire: Dia 0.04mm-8.0mmRibbon/strip: Thickness ... OCr21AL6Nb, OCr27AL7Mo2.Nickel-Chrome Alloys (Ni-Cu Alloys):Cr20Ni80, Cr15Ni60, Cr30Ni70, Cr20Ni30Constantan Alloys (Cu-Ni Alloys):CuNi1, CuNi2, CuNi6, ...