... Cold-rolledUsage:Water,petroleum,gas and chemical transportation.Package:plastic pipe cap,steel strips bundledDelivery time:Within 7-30 days ... the large diameter size,max 1400mm.Meanwhile,we supply the pipe joint fittings.Advantage:High mechanical strength,anti-corrosion, rust- ... make the liquid run quickly and largely Environment friendly, complied with GB/T17219-1998 (API, ASTM, JIS, BS, DIN and ...