... , F12, F21, F22 Stainless Steel : 304,304H,304L,310,310 S,321,321H, 316Ti,316H,316L, 347,347H, Duplex Steel , UNS ... S 31803, 2205 , Super Duplex Steel , UNS S 32750Nickel Alloys : Monel 400 & 500, Inconel 600 ... .57636.57636.57688.936.576143.764144.526128.27-- stainless steel forge 904l flange