Ring joint gasket/ metal gasket [technical parameter] Types of gasket: serrated, octagonal, elliptic, lens-shaped Materials: carbon steel, ocr13, 1cr18ni9, 304, 316 Temperature: -100-80 Pressure: 35mpa [main uses] for static sealing in flange joint of high pressure pipeline, container, equipment and etc. [specification] dn10-800mm.