Design Pressure P = |
|
N/mm^2 |
Inside Diameter Di = |
|
mm |
Analysis Thickness ea = |
|
mm |
Inside Head Height (Ellipsoidal Only)
hi = |
|
mm |
Inside Spherical Radius (Torispheres Only)
R = |
|
mm |
Inside Knuckle Radius (Torispheres Only)
r = |
|
mm |
Design Stress f = |
|
N/mm^2 |
Joint Factor z = |
|
|
0.2% Yield Stress at Design Temperature = |
|
N/mm^2 |
Note: 0.2%
Proof Stress can be multiplied by 1.6 for Cold Spun Austenitic
Stainless Steel Heads
|
|
|
|
|
Factor X = |
|
|
Factor Y = |
|
|
Factor Z = |
|
|
Factor N = |
|
|
fb = |
|
N/mm^2 |
|
|
|
Beta (for X=
0.06) = |
|
|
Beta (for X=
0.1)
= |
|
|
Beta (for 0.06 < X < 0.1)
= |
|
|
Beta (for X=
0.2) = |
|
|
Beta (for 0.1 < X <
0.2) = |
|
|
Beta = |
|
|
|
|
|
es (Thickness of Spherical Section)
= |
|
mm |
eb (Knuckle thickness to resit plastic
buckling) = |
|
mm |
ey (Knuckle thk. axisymmetric yielding)
= |
|
mm |
|
|
|
Limitation Check = |
|
|
Torispherical inside head height = |
|
mm |
|
|
|
ASME 8 Div 1, Appendix 1, t = |
|
mm |
|
|
|
Back to Steel
Dished Heads |