Quick Details Standard: BS 1387, BS 1139, BS EN 39, BS EN10219, BS EN10217, JIS G3101, JIS G3466, DIN 17175, DIN EN 10025, ASTM A312-2001, ASTM A234-2007 Grade: 10#, 20#, 45#, A53(A,B), A106(B,C), St37, St52, St42, St45, St37-2, ST54, Q235, Q345, Q195, Q215 Thickness: 0.5 - 12 mm Section Shape: Round Outer Diameter: 12 - 325 mm Place of Origin: Tianjin, China (Mainland) Secondary Or Not: Non- ...