Standard JIS / ASTM / SS400 / GOST. Grade SS400, Q235A, Q235B, Q235C,A36
Standard JIS / ASTM / GOST, EN. Mác thép SS400, Q235A, Q235B, Q235C, Q235D, A36….
Standard JIS / ASTM / GOST. Grade SS400, Q235A, Q235B, Q235C,A36
Standard: JIS G3466 STKR / ASTM A500...