... → Grade B, SS330,SPHC, S185Q215 → Grade C,CS Type B,SS330, SPHCQ235 → Grade D,SS400,S235JR,S235JO,S235J2StandardBS EN10296 ... (EFW)Double Submerged Arc Welded (DSAW)TypeWeldedWelded Line TypeLongitudinalSection ShapeRoundInspectionWith Hydraulic Testing, Eddy Current , Infrared TestPackage1) Bundle,2) In Bulk3 ... as screws and flange also can be supplied. high quality square steel pipe