welded pipes Grade: Q195-Q235 OD:10-273mm Thickness:0.5-12.0mm Mill price Commoditysteel pipesMaterialQ195-Q345, GR.BSpecificationERWLength3-17m or as your demandTreatmentgalvanized,oiled, painted black or as per customers' requestCertificatesGB3091-2001, ASTM A53, ASTM A106 EN10216,EN10219Manufacture Technique high frequency welded Packagingin bundles or in loose or seaworthy packing at sellers ...