... 3.Executive standards: ASME B36.10M---1996 , GB8163---1999 carbon steel tube 1. Technique- hot rolled and cold drawn 2. ... your request. CompanyLiaocheng Jiangshan Material co.,ltd Grade10#,20#,45#StandardASTM,A106,A53,A104andA5140DIN st42,st45,st37 and st52JIS G3461 ... ,G4355,G3456 and G3454GB8162&GB8163Material20#,10#,45#,35#and Q23516Mn,27siMn,40CrMo,15CrMo,35CrMo and CrMoSize ...