RTJ BGASKET 1.Certificate:API 6A, ISO9001:2000 2.Mat.:D, ... ,INCONEL600 3.Pressure: PN2.0-PN42.0 Ring joint,RX gaskets high pressure1.Type: R,BX,RX,IX2 Shape: octagonal, oval ... )soft iron90450carbon steel120450F51150540304160600316160600 API 6A R RX BX all series gaskets