... 1500" ENEN1092-1PN6,PN10,PN16,PN25,PN40,PN63PN10010"-2000"Non-standard forged flange is manufactured as per the drawings! ... the privilege of serving you soon.MaterialForged Carbon Steel, Stainless Steel , Duplex Stainless Steel , Low Alloy Steel(Like A105,LF2,LF6,F6a,F304,F316,F22 ... require.Welcome to your enquiry! ANSI NACE MR 0175standard & non-standard carbon steel & stainless steel blind RF flange