Solid metal is a metallic gasket. This type of gasket which has high mechanical strength and heat resistance is suitable for operating in high pressure and temperature. This type of metallic gasket has various types ofpartition and material and at the time of choosing material, one must be careful about flanges because gasket hardness must be less than flange hardness. The construction and dimensional standard of this type gasket is according to DIN, BS, API, ANSI, ASME standards.