2.Materical : Carbon Steel Flange: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.8Stai Stainless Steel SLIP-ON FLANGE 1. 1/2"-78", DN15 ... . SLIP-ON, WELDING NECK, BLIND FLANGE Stainless Steel SLIP-ON FLANGE1) Product Name: STAINLESS STEEL SLIP-ON FLANGE2) Type of Flange: SLIP-ON, WELDING ... /2"-78" , DN 15- DN2000 4) Material of Flange: Carbon Steel Flange: A105,SS400,SF440 RST37.2,S235JRG2,P250GH,C22.8 ...