... mmSCH30,SCH40,STD,XS,SCH80,SCH160,XXS etc.LengthAny special length is ok less than 12mSteel materialQ195 → Grade B, SS330,SPHC, S185Q215 ... Fusion Welded (EFW)Double Submerged Arc Welded (DSAW)TypeWelded Welded Line TypeLongitudinalSection ShapeSquare and rectangularInspectionWith Hydraulic Testing, Eddy Current , Infrared TestPackage1 ...