... #-45#, Cr-Mo alloy, 16Mn, A53-A369, AP...Grade: 10#, 20#, 45#, 15CrMo, 12Cr1MoV, 16Mn, A...Thickness: 2 - 70 mmSection Shape: ... :: seamlessBrand name:: NEW SINDALength:: 3-12mStandard:: ASTM ASMEGrade:: A53B A106B 20# 45# API 5L API 5CTOD:: 21.3mm--457mmWT:: 2mm-70mmGrade ... onOut Diameter21.3mm—457mm (1/2”-22”)Wall Thickness2mm-70mmGrade10#,20#,45#,16Mn,27SiMn,Q235,ST42,ST52,,A106-a,A106-b ...