ASTM F 3149-15
Calculation factors that characterize the gasket and allow the calculation of bolt forces and bolt tightening torques. They are the basic information that allows you to check the strength of flange connections and used in the methods described in the ASME Code s. S. VIII and European EN 13445-3 and EN 13480-3 standards. The tests are performed on presses such as those used for testing according to EN 13555. The test algorithm is adjusted accordingly.