... ,430F,431,410,410S,416,420,420F(ASTM standard and the corresponding JIS,DIN,BS standard).Duplex stainless steel such as (2205,2507 ... ,17-7PH,630,631),Special stainless steel(904L) Standard:ASTM,JIS,DIN,BS Surface:Hot rolled black,pickled,cold drawn bright,peeled ...