We offer Seamless Steel Pipes .1.Seamless Steel Pipes ASTM A53 GR B, ASTM A106 GR B, API 5L GR B etc.; Size: 21.3mm660mm; WT: 2mm50mm 2.ERW (Electric Resistance Welded Steel Pipes / Tubes) / LSAW (Longitudinal Submerged-Arc Welded Steel Pipes / Tubes) / JCOE Welded Steel Pipes; OD: 60.3mm1422.4mm; WT: 2.5mm80mm 3.SSAW (Spirally Submerged Arc Welding Steel Pipes/Tubes) / DSAW (Double Submerged Welded Steel Pipes /Tubes) Spiral Welded Steel Pipes; OD: 219mm3620mm; WT: 5mm25mm. A variety of specifications.we can product other specifications to the needs of customer.