ERW Pipe A53 Gr.B 1>Standard: ASTM A53,API5L,API5 CT ... 3>OD: 6mm - 610mm 4>WT: 0.3mm - 22mm ERW Pipe A53 Gr.B1> Standard: ASTM A106, ASTM A53, ASTM A179 ... : 80-120g, 200g, 300g, 400g8> Other: Cut-to-length,Threading, coupling, necking, punching is available upon request. 9> Packing: In bundles ... , we can provide most suitable scaffolding pipes to you. ERW Pipe A53 Gr.B