... DIN Type: TG,RF,MFM,FM,FF, Carbon Steel Flange:Features:1. Type: welding neck flange, lap joint flange, thread flange, ... slip on flange, socket welding flange, blind flange2. Material: Stainless steel, carbon steel,alloy steel---20#, A105, Q235A, 331, 304, 304L ... RF,MFM,FM,FF,RJThe main material for carbon steel, stainless steel and alloy steel 1)ANSI FLANGES Standard: ANSI B16.5 ...