Maximum allowable operating time
according to EN 12952-4 Annex A
Attention!
This calculation is only a simplified estimation, and does not replace a detailed design calculation.
Input data
Material
1.4901 X10CrWMoVNb9-2, forging, quenched according to VdTÃœV WB 552/3
1.4903 X10CrMoVNb9-1, forging, normalized and annealed
9Cr-1Mo-V (A213 T91, A335 P91, A200 T91)
Welded joint
unwelded
as base material
filler as base material
properties unknown
Extrapolation method
Larson-Miller relation
fixed factor method
EN 12952-4 Annex A
Load case
Temperature
°C
Stress
MPa
Required lifetime
h.
Calculate
Results
Load case
h.
Allowable lifetime
h.
Creep damage
%
Total creep damage
%
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