... low-pressure, medium-pressure and high-pressure industrial pipe fittings that are made of carbon steel, alloy ... , beveled, with end cap 2. 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, ...