1/2" to 60" Flanges produced according to ANSI,DIN,JIS Size:1/2" to ... ,RF,MFM,FM,FF 1/2" to 60" Flanges1. Type: welding neck flange, lap joint flange, thread flange, slip on flange ... , socket welding flange, blind flange2. Material: Stainless steel, carbon steel,alloy steel ...