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1)Standard ASME,AISI,JIS,DIN,GB,BS 2)Type slip-on flange, welding neck flange, flange blind, socket welding flange 3) Size 6~4000mm;150psi(2.0Mpa),300psi(5.0Mpa),400psi(6.8Mpa),600psi(10.0Mpa),900psi(15.0Mpa),1500psi(25.0Mpa)2500psi(42.0Mpa) 4)Wall thickness SCH5S--XXS 5)Material A234,WPB,WP11,WP22,WP91,304,304L,316,316L,etc. 6)use as a pipe joint widely used in oil, chemical industry, electric power, Shipping Industry and other pipe projects 7)Package loose, wooden box and pallet 8)Delivery 15-90days after order usually 9) Surface treatment Black paint ; rust-proof oil ;hot galvanized. 10) Certificates CE ;ISO 9001;Manufacture License of Special Equipment 11) Trade terms FOB ;CIF ;CNF 12) Payment T/T ; L/C 13) History More than 20 years production history