... Ferro-Chrome Alloys (Ferritic Alloys), Nickel-Chrome Alloys (Nichrome alloys), Copper Nickel Alloys (Constantan Alloys) In the ... , OCr21AL6, OCr25AL5, OCr23AL5, 1Cr13AL4, OCr21AL6Nb, OCr27AL7Mo2. Nickel-Chrome Alloys (Ni-Cu Alloys): Cr20Ni80, Cr15Ni60, Cr30Ni70, Cr20Ni30 Constantan Alloys ... (Cu-Ni Alloys): CuNi1, CuNi2, CuNi6, CuNi8, CuNi10, ...