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ASME B31.1 Weld Joint Efficiency, why is Caesar II dividing the weld eff to stress allowable?

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madl_07

Mechanical
Joined
Sep 30, 2024
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Location
PH
Hi,

I have a model with the following input:
Code = ASME B31.1
Material Sc = 17100 psi (A106 B)
Weld Joint Eff = 0.65

Just checked the allowable stress indicated in Stresses Extended (Legacy) Report of my CII model.
Stress Allowable = 26307.7 psi (which is equivalent to Sc/eff)

I don't understand why Sc is divided by eff for the computation of allowable.
Shouldn't it be multiplied to make the allowable lesser, since the weld connection is weaker?



C2_Output_susi0f.png
 
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