... Corrossion resistance 12~250mm/80~120mm ISO9001 2000 aisi 409 stainless steel sheet Dimensions:1, Width: 12mm~250mmDelivery Condition: hot-rolling, ... , 409,0Cr12Nb/201/430 stainless steel square bar2, good machining property3, Corrossion resistanceApplication: Engine blade for plane, cartridge receiver, fasterners ... energy, petroleum, chemicalsk, marine development. aisi 409 stainless steel sheet