... -105,RX20-215,BX150-303,Inch1/2"-24" Ring joint gasket (RTJ gasket) are manufactured in accordance with JPI ... .20 and API 6A used on the ring type joint flanges specified in JPI-7S-15, ANSI B16.5 ... 7.Material:carbon steel,soft iron,inconel600.M-400,C-276,SS316,SS3048.Application:vale,gate,flange,oil&gas ... soft iron90450carbon steel120450F51150540304160600316160600michael at rilson com cn Ring Joint Gasket