... 30mm 4.Price:755-850USD/T 5.MOQ:10T 1)Carbon steel pipe2)SIZE:20-219mm 3)Thickness:0.7--30mm 4 ... A53,BS1387-85,JIS-G3444,GB/T3091-2001,etc. CommodityERW steel pipeSpecification20-219mm, 0.7-30mmMaterialQ195,Q215,Q345,20#,10#, ... , gas, water pipe, construction, structure, scaffold, chimney potProcessing techniqueThreading, coupling, necking, punching .etc.Payment term30%T/T and 70%copy ...