Resistance Heating Alloy Wire 1) Grade:Ni70Cr30,Ni80Cr20,Ni60Cr15,Ni35Cr20,Ni30Cr20 ... specializing in Ferro-Chrome Alloys (Ferritic Alloys), Nickel-Chrome Alloys (Nichrome alloys), Copper Nickel Alloys (Constantan Alloys) In the form of ... Alloys): OCr21AL4, OCr21AL6, OCr25AL5, OCr23AL5, 1Cr13AL4, OCr21AL6Nb, OCr27AL7Mo2. Nickel-Chrome Alloys (Ni-Cu Alloys): Cr20Ni80, Cr15Ni60, Cr30Ni70, Cr20Ni30 ...