Material: 20#, 20G, A105, A106, 304, 304L, 316, 316L, A234-WPL6, A234-WP11, A234-WP91, A234-WP22, 16Mn, 12Cr1MnV or other on request Dimension: Seamless 1/2 IN---24 IN, Welded 1/2 IN---72 IN Degree+¼45Deg., 90Deg., 180Deg. or on request Wall thickness: SCH10, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80, SCH100, SCH120, SCH140, SCH160, XXS Certification: ISO9001, API, CE certification Executive Standard: ASME, ASTM, DIN, JIS, GB, BS Use: Petroleum, nature gas, chemicals, power generation, metallurgy, heat-supply pipe network, shipbuilding, construction industries etc. Packing: Seaworthy.