Seat Ring 1).Material: stellite1,stellite 1,stellite 2,stellite ... 20, 31 etc. 2).Forgings and castings Stellite Seat Ring Main material of our products: Stellite, Hastelloy, Monel, etc ... (tube,pipe, sheet,bar, rods, flange, disc)Hastelloy C-276 (tube,pipe, sheet,bar, rods, flange, disc)Hastelloy ... C-22(tube,pipe, sheet,bar, rods, flange, wire,Fittings ...