Material: 20#, 20G, A105, A106, 304, 304L, 316, 316L, A234-WPL6, A234-WP11, A234-WP91, A234-WP22, 16Mn, 12Cr1MnV or other on request Dimension: 1/2 IN---48 IN(DN15---DN1200) Item: Slip on flange, butt-welded flange, socket flange, loose flange, integral flange 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