0Cr21Al4Acid Washed Resistance Heating Wire 1.long using life 2.many sizes,free sample 3.best price 4.our best seller Acid Washed Resistance Heating Wire We are manufacture of Alloy wire includes FeCrAL wire, NiCr wire, CuNi wire, Stainless steel wire:1. FeCrAl heating wire:OCr27AL7Mo2, OCr21AL6Nb, OCr21AL6, OCr25AL5, OCr23AL5, OCr21AL4, 1Cr13AL4.2. Nichrome heating wire:Cr20Ni80, Cr30Ni70, ...