... pipe 1.10#,20#,45#,16Mn, 2ASTM A106 Gr.B, ASTM A53 Gr.B, St 37, St 42, St 52, Q 235, ... steel pipe 10#,20#,45#,16Mn, ASTM A106 Gr.B, ASTM A53 Gr.B, St 37, St 42, St 52, Q 235, ... 29mm-508mm. (1/8''-20'') Wall Thickness 1.2mm-39mm Grade 10#,20#,45#,16Mn,27SiMn,12Cr1MoV,Q235, ST42,ST52,A106 ... and pipes forliquid serviceGB/T8163-199910, 20, Q295, Q345ASTM A53-98 ASTM A192 ASME S192 JIS G3452-1998 FIS G3454 ...