... 12mSteel materialQ195 → Grade B, SS330,SPHC, S185Q215 → Grade C,CS Type B,SS330, SPHCQ235 → Grade D,SS400,S235JR,S235JO,S235J2Q345 → SS500 ... PE, FBE, corrosion resistant coatingTechniqueElectronic Resistance Welded (ERW )Electronic Fusion Welded (EFW)Double Submerged Arc Welded (DSAW)TypeWeldedWelded Line TypeLongitudinalSection ShapeRoundInspectionWith Hydraulic Testing ...