Ring Joint Gasket carbon steel , 304 , good quality and lower price For static sealing in flange joint of high pressure pipel Ring Joint GasketTypes of gasket: Serrated, octagonal, elliptic, lens-shaped .Materials: Carbon steel, OCr13, 1Cr18Ni9, 304, 316Temperature: -100-80For static sealing in flange joint of high pressure pipeline, container, equipment and etc. Ring Joint Gasket