... to DN600, 1/2 inch to 24inch2.Material: carbon steel, stainless steel3.Standard: ANSI,JIS,DIN,BS4504,SABS1123,EN1092 ... UNI,GOST12820-804.Types: plate, slip on, welding neck, blind, thread, socket weld flange5.Process: free forging, plate cutting ... in-house self check or Third Party inspection11.Carbon Steel:A105,SS400,SF440,RST37.2,S235,C22.8We can ... to contact me for flange price uni steel flange blind