API 5L /ASTM A106 GR.B Carbon Steel Pipe Standard:API 5L,ASTM A106/A53, Size:OD 1/4"-48", WT 1 ... co.,ltd can supply high quality SEAMLESS STEEL PIPES API 5L/ ASTM A106, GR.BStandardASTM A106/ASTM A 53 API 5L, ... Material: Gr A, Gr B, X42, X52, X60,X80,10#,20#,35#,45#,ST35.4,ST37.4,ST52, A105,A106,A210, ... SAW Package Typ caps on two end of every pipe outer; hexagonal shape bundles wrapped with strong steel ...