ASTM A1011/A1011M - SS Grade 60碳结构钢

ASTM A1011/A1011M - SS Grade 70碳结构钢

ASTM A1018/A1018M - CS Grade 1018A高强度碳钢

ASTM A1018/A1018M - CS Grade 1018B高强度碳钢

ASTM A1018/A1018M - CS Grade 1002B高强度碳钢

ASTM A1018/A1018M - CS Grade 1022A高强度碳钢

ASTM A1008/A1008M - DS TYPE B高强度碳素钢

ASTM A1008/A1008M - DS TYPE A高强度碳素钢