API 5L /ASTM A106 GR.B Carbon Steel Pipe Standard:API 5L,ASTM A106/A53, Size:OD 1/4"-48", WT 1.24mm-60 Material ... ,ASTM A210,ASTM A213,ASTM A179,ASTM A192,ASTM A252,ASTM A500, DIN 1629/2391/17172, JIS 3461/3462, BS3059,BS1387 etc Material: Gr A, Gr B, X42, X52 ... extrusion,ERW,SAW Package Typ caps on two end of every pipe outer; hexagonal shape bundles wrapped with strong steel strip or customers' ...