... ~BX303 2)Standard:ASME 16.20 3)Material:alloy material 4)Price:the most competitive 5)Delivery: ... 1 week features:ASME B16.20 Alloy Material Ring Joint Gasket1)size:from R11 to ... steel,SS304,SS316,F5,F61temperaturechanges with different material pressurehardnessmain pueposeused in valve,flange,pipe,oilfield ... steel 120450F51150540304160600316160600 ASME B16.20 Alloy Material Ring Joint Gasket