Production procedure:
Raw elements (C, Fe, Ni, Mn, Cr and Cu), smelted into ingots by AOD finery, hot rolled into black surface, pickling into acid liquid, polished by automatically machine and cutting into pieces.
Standards:
ASTM A276, A484, A564, A581, A582, EN 10272, JIS4303, JIS G 431, JIS G 4311 and JIS G 4318
Materials:
300series:301,302,303,304,304L,309,309s,310,310S,316,316L,316Ti,317L,321,347,
200series: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, S31803904L,etc
Duplex stainless steel:
(S31803, S22053, S25073, S22253, S32205, S32304; 2205,2507)
Nickle alloy Steel:
(904l, 347, 347h, 317, 317l, 316ti, 254mo)