... " Flanges produced according to ANSI,DIN,JIS Size:1/2" to 60" NB Standard: ANSI, JIS, DIN ... on flange, socket welding flange, blind flange2. Material: Stainless steel, carbon steel,alloy steel---20#, A105, Q235A, 331, 304, 304L, 316, ... 316L etc.3. Size:1/2" to 60" NB4. Pressure ... . Facing:TG,RF,MFM,FM,FF,RJ 1/2" to 60" Stainless Steel Flanges