Procedure 3-7 Studding Flanges

Area required for one stud, m Actual gasket area, in  

Stud spacing, in Diameter of stud, in Load between b and q, Lbs/in Load between q and r , Lbs/in Load between ro and a, Lbs/in net load, Lbs/in Total load, Lbs/in Gasket OD or ID 

Minimum length of thread engagement, in Number of studs Root area of one stud, in diameter of raised face, in Allowable stress of stud at design temperature, PSI 

Allowable stress of flange material at design temperature, PSI 

Hoop stress in flange at flange ID, PSI Hoop stress in flange at inner surface of main stud hole, PSI 

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