Flange Plate forged carbon steel blind flange/investment casting OEM service offered ISO9001authentication, Flange PlateFeatures:1) Stainless steel flange and carbon steel flange2) Standard: ASME, ANSI, API, JIS, JPI, DIN, UNI, BS, AS3) Material: 316L, 316Ti, 304L, 321, 321H, Rst37.2, C22.84) OD: up to 2,500mm5) Production with anneal solution for stainless performance6) Special design available ...