Input data

 Bolt type _{ }


mm

 Nominal diameter of the screw thread d_{N}


mm

 Thread pitch P_{h}


mm

 Pitch diameter of the screw thread d_{2}


mm

 Root diameter of the screw thread d_{3}


mm

 Neck diameter d_{T}


mm

 Outer diameter of the bolt head or nut d_{w}


mm

 Throughhole diameter d_{h}


mm

 Half angle of the thread β/2_{}


°

 Minimum yield strength of the bolt material R_{p0,2}


MPa

 Minimum gasket/flange force per bolt F_{VM min}


kN

 Maximum gasket/flange force per bolt F_{VM max}


kN

 Number of flange bolts N_{B}



 Tightening parameter combinations:

 Combination number _{}






 Tightening torque scatter [?] _{ }





 ±%

 Minimum friction coefficient for thread μ_{G min} [?]






 Maximum friction coefficient for thread μ_{G max}






 Minimum friction coefficient for joint face μ_{K min}






 Maximum friction coefficient for joint face μ_{K max}










Results

 Combination number _{}






 Allowable bolt tightening torque M_{A all}





 N·m

 Tightening torque for minimum gasket force M_{A min}





 N·m

 Tightening torque for maximum gasket force M_{A max}





 N·m


with reduced scatter of total gasket force

 Tightening torque for minimum gasket force M_{A min}





 N·m

 Tightening torque for maximum gasket force M_{A max}





 N·m


 Recommended bolt tightening torque M_{A}





 N·m
