B31.8 pipe wall thickness calculation
B31.8 pipe wall thickness calculation
(OP)
After arriving at the "nominal wall thickness" using B31.8, is the mill tolerance for a given material considered before selecting the appropriate commercially available pipe.





RE: B31.8 pipe wall thickness calculation
Example: If your calculation indicates that you should use 0.369" wall thickness, you could select the next commercially stocked standard (probably 0.375" wt), or ask a mill to produce a 0.369" wt for you. It could yield significant savings in material and transportation costs if the pipeline was several hundred miles long.
BigInch
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