... ,Cartons,Pallets or as Buyer's requestCertificateISO9001ApplicationSteam, air, gas and oil pipes or for many other fluidsO.D.1 ... plain end,or according to special requestUsageConvey Water, Oil, Gas, Steam and so onMechanical PropertiesTensile Strength ≥ 320N/mm2 ... , water pipe, fire-fighting equipment or other gas, water ,oil and electricity connection etc. Materials: carbon steel ,stainless steel , ...