National Standard: GB/T12,GB/T13,GB/T14
Germany Standard: DIN603
Britain Standard: B.S; B.S.W
American Standard: ANSI / ASME
Grade4.8: SWRM8; SWRM10; ML10; ML15; 08AI; 10A; Q95
Grade8.8(ANSI Grade5): SWRCH35K
Stainless Steel:304; 304M; 304B; 304HC; 304L; 316; 316L, etc.
Black Oxide、 Zinc、Yellow Zinc、 Hot Dipped Galvanizing、 Dacromet