... Quality And Cheap 1.2.Stainless steel seamless pipe SizeDiameter:1/2inch to 32inchThickness: sch5 to schxxsSurfacePolished ... , 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, ...