Product Details: StandardBS, JIS, GB, DIN, ASTM, APIStandardBS 1387, JIS G3463-2006, JIS G3459-2004, GB 5310-1995, GB 3087-1999, G...Grade10#-45#, Mo, 16Mn, A53-A369, API J55-API P110, ST35-ST52, Q195-Q345Grade10#, 20#, 45#, 15Mo3, 16Mn, API J55, API K55, St37, St52, St37-2, ST54...Thickness2-29mmSection ShapeRoundOuter Diameter48-180mmPlace of..