... , OCr25AL5, OCr23AL5, 1Cr13AL4, OCr21AL6Nb, OCr27AL7Mo2 strip and so on. Heating Resistance strip: OCr21Al4,OCr21Al6,OCr25Al5,OCr23Al5,1Cr13Al4,OCr21Al6Nb,Cr15Ni60,Cr20Ni80,Cr30Ni70 ... Chrome Alloys (Ferritic Alloys): OCr21AL4, OCr21AL6, OCr25AL5, OCr23AL5, 1Cr13AL4, OCr21AL6Nb, OCr27AL7Mo2. Nickel-Chrome Alloys (Ni-Cu Alloys): Cr20Ni80 ... non-standard electrical heating element OCr21Al6 alloy strip