Ring Joint Gaskets are machined from a variety of types forged solid metal such as Soft iron, ANSI304, ANSI316, F5, Low carbon, and special materials of alloy metals, Inconel Duplex, Monel, Hastelloy, Titanium, etc.

They are designed for high pressure and temperature applications by selecting the suitable shape and material. The hardness of the RTJ gasket body should always be 20-30HB less than the hardness of the flanges to prevent flange deformation.