... : ASTM A53,API5L,API5 CT 2>Grade: ASTM A53 Gr. B,API 5L,X60 3>OD: 6mm - 610mm 4>WT: 0 ... A192,DIN1626, API5L, API5 CT2> Grade: ASTM A53 Gr B, API 5L GR.B, X46, X56, X60, X65, X70 3> Outer Diameter ... .211420 x 10348.21377 x 764.37 630 x 9138.32 1420 x 12417.16377 x 873.30630 x 10153.391420 ... most suitable scaffolding pipes to you. ERW Pipe A53 Gr.B