small diameter seamless pipe 1.OD:10.3-762mm 2.WT:2-40mm 3.Length:5-12m 4.Be made under the ISO9001-2000 ... solid materials,also ship-building,chemical fertilizer equipment etcOuter Diameter10.3-762mmWall Thickness2-40mmUnit Length5-12mStandardASTM,API,JIS,DIN,BS,GBMaterialA106 ...