1.heavy thickness steel pipe 2.O.D10~720mm 3.WT1.5~120mm 4.Application:fluids, structural, boiler 5.Cert: ISO, API Detailed Product Description Seamless Steel Pipe ,welded pipe, carbon steel pipe 1Productheavy thickness steel pipe2StandardU.S.A.ASTM A53/A106/A178/A179/A192/A210/A213/A333/A335/A283/A135/A214/315/A500/A501/A519/A161/A334; API 5L/5CTJapanJIS G3452/G3454/G3456/G3457/G3458/G3460/3461/ ...