1.Product name:Large size steel pipe welding 2.OD:20-219mm 3.THK:0.7-30mm 4.Price:755-850USD/ ... T 5.MOQ:20T 1)Large size steel pipe welding2)SIZE:20-219mm 3)Thickness:0.7--30mm 4)API5L ... ,etc. CommodityERW steel pipeSpecification20-219mm, 0.7-30mmMaterialQ195,Q215,Q345,20#,10#,16Mn.etcStandardAPI5L.ASTM-A53,BS1387-85,JIS-G3444,GB ...