Resistance Heating Alloy Wire 1) Grade:Ni70Cr30,Ni80Cr20,Ni60Cr15,Ni35Cr20,Ni30Cr20 2) Specification: ... (Ferritic Alloys), Nickel-Chrome Alloys (Nichrome alloys), Copper Nickel Alloys (Constantan Alloys) In the form of wire, ribbon/strip:Round Wire ... . Nickel-Chrome Alloys (Ni-Cu Alloys): Cr20Ni80, Cr15Ni60, Cr30Ni70, Cr20Ni30 Constantan Alloys (Cu-Ni Alloys): CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, CuNi23 ...