... and weldedEndPlain, beveled, with end cap3. Carbon seamless steel pipe SizeDiameter:1/2inch to 32inchThickness: sch5 to schxxsSurfaceGalvanized or ... coatedTechniqueCold drawn, hot rolled, hot expansionTypeRound pipe and square pipeMaterial20#, 45#,Q235,20G,A106B,A53B,AISI 1010 ... 2128822 Fax 86-635-2128822Website www.yhsteel.net.cn large diameter stainless steel pipe