... 5L /ASTM A106 GR.B Carbon Steel Pipe Standard:API 5L,ASTM A106/A53, Size:OD 1/4"-48", WT 1.24mm ... high quality SEAMLESS STEEL PIPES API 5L/ ASTM A106, GR.BStandardASTM A106/ASTM A 53 API 5L,GB/T8163- ... 2391/17172, JIS 3461/3462, BS3059,BS1387 etc Material: Gr A, Gr B, X42, X52, X60,X80,10#,20#,35#,45 ... randometc. Wall Thickness 1.24mm-60mm(SCH5s,10s,SCH20,40,80.160,XS,STD,XXS) Technics Cold drawn,cold ...