... 60" Flanges produced according to ANSI,DIN,JIS Size:1/2" to 60" NB Standard: ANSI, JIS, DIN Facing:TG,RF ... ,MFM,FM,FF 1/2" to 60" Flanges1. Type: welding neck flange, lap joint flange ... , slip on flange, socket welding flange, blind flange2. Material: Stainless steel, carbon steel,alloy steel---20#, A105, Q235A, 331, 304, 304L, 316, 316L etc ...