... φ10.3~610×1.7~40A,BBlack and Hot-Dipped Zinc-Coated Steel Pipe, Welded and SeamlessASTM A53φ10.3~426×1.0 ... .0~36St35.8, St45.8, 17Mn4, 19Mn5, 15Mo3, 13CrMo44Cold Drawn Seamless Precision PipeDIN2391φ16~426×1.0~36St35,St45,St52Seamless Steel ... SteelSeamless Steel Tubes for Boiler and Heat ExchangersBS3059φ10~426×1.0~36360,410,460,480,490 carbon steel seamless pipe and tube