... , ASTM, BS, DIN, GB, JISGRADESS grade 33-80; SGCC, SGCH, SGCD1-SGCD3, SGC340-SGC570, SGCC, DX51D….Grade 33-grade 80.;SGLCC SGLCD SGLCDD SGLC400-SGLC570 ... ;SZACC, SZACH, SZAC340R,….CGCC, CGCH ,CGC340-CGC570, CGCD1-CGCD3; Grade Grade 33-grade80.;SGLCC ...