1.O.D.:seamless1"-24",welding 1"-80" 2.Type:seamless and welding 3.Material:carbon steel, stainless steel and alloy ... and quality.1.O.D.:seamless1"-24",welding 1"-80"2.Type:seamless and welding3.Material:carbon steel, stainless ... LOIYDApplications range: Petroleum, chemical, power, gas, metallurgy, shipbuilding.construction,water and nuclear power etc. Packaging: seaworthy package,Plywood Cases or ...