Big size welded carbon steel pipe Thickness:9.53 - 40 mm Length:6-18 Section Shape:Round Outer Diameter(Round):350 - 914 mm Place of Origin:Tianjin, China (Mainland) Application:Boiler Pipe Technique:Cold Drawn Certification:API Surface Treatment:Galvanized Alloy Or Not:Non-alloy Secondary Or Not:Non-secondary Name:ASTM A252 SSAW HSAW DSAW Steel Pipe Spiral Steel Pipe Material:steel plate Coating:3pe coating End:belved, plain Application1:oil and gas oil tube Stardard:api color:3pe
