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"W" Factor (Weld Joint)

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Mecha20

Mechanical
Joined
Feb 1, 2008
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18
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TT
Is it necessary to use the "W" factor in the calculating thickness for pressure piping? Trying to change a pipeline and would like to know the reason for considering this in the calculations.

Thanks.
 
1) You're not stating what design Code you're using, so I'm assuming its B31.3. Next time pls provide a little more detail so its easier to answer your question.
2) B31.3 is for piping, not pipelines.
3) What do you mean with 'change a pipeline'?
4) Do you mean the weld joint strength reduction factor W as per 302.3.5(e) of B31.3:2010?
5) Read 302.3.5(e), your answer is probably in there.

 
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