... ProductsODW.T.StandardLengthSeamless pipe1/2" to 24"SCH20,30,40,60,STD XS,80ASTM A106/API 5L GR.B5 ... B5m to 12m randomPipe line3" to 18"SCH20,30,40,60,STD XSAPI5LGR.B/X42,X52,X605.8m,6m ... to 12m randomSpiral steel pipe8" to 36"SCH20,30,40,60,STD XS,80AY/T5037-20015.8m,6m,5m ... cold drawn Surface coating:varnish painted on pipe(black painting),anti-corrosion oil,galvanized,or painting as customer's request. ...