... coating,GalvanizedTechnique:ERW,Cold-rolledUsage:Water,petroleum,gas and chemical transportation.Package:plastic pipe cap,steel strips bundledDelivery time: ... diameter size,max 1400mm.Meanwhile,we supply the pipe joint fittings.Advantage:High mechanical strength,anti-corrosion, ... 13665394058 Composition: Steel pipe, inner and outer PE coating (or EP coating) Usage: Fire and water supply system in ...