... 133*5mm 3)Round section shap 4)Seamless steel oil pipeline API seamless steel oil pipeline1)material:10#&20#carbon steel2 ... conditionBeveled or Plain end, with varnish/2PP/2PE/3PE/3PP anticorrosive coatingas per clients confirmation ; With or without protecting caps as ... X46,X52,X56,X60,X65, etc11.Usagefor petroleum/ natural gas pipeline , for conveying water,drainage,coal gas, mineral slurry and other ...