Production procedure | raw elements (C, Fe, Ni, Mn, Cr and Cu), smelted ingots by AOD finery, hot rolled into black surface, pickling into acid liquid, polished by automatically machine and cutting into pieces |
Materials | 300series:301,302,303,304,304L,309,309s,310,310S,316,316L,316Ti,317L,321,347200series:201,202,202cu,204 ;400series:409,409L,410,420,430,431,440;Others:2205,2507,2906,330,660,630,631,17-4ph,17-7 ph,904L,etc |