FORGED FLANGE EN1092 TYPE 01 ST37.2. C22.8, P235GH, S235JR, P235, 304/304L, ... , PN10,PN16,PN25,PN40,PN64 1"--64" Forged flange EN1092 TYPE 01Material: carbon steel( ST37.2, C22.8, P235GH, S235JR), stainless ... : 1/2" to 64"sealing surface type: FF(flat face), RF(raised face), RTJ( ring type joint)Coating: anti-rust oil, black ...