... .W.T:2-30mm, OD:14-630mm 3.Material:20#,45#,16Mn,ST37 3.5 inch steel pipe Size1/2"-36"(DN15 ... ,X42-X65StandardASTM,API,JIS,BS,DINRange of applicationFor conveying oil, gas,water and other fluidEndbeveled end or plain end SurfaceBlack painting ... days after confirming the orderPackageAs customers' requirementPortTianjin Xingang port,China 3.5 inch steel pipe