PWHT of API 650 Storage tanks
PWHT of API 650 Storage tanks
(OP)
Why is there a requirement to Stress Relieve Nozzle inserts on a tank with certain groups of metal over certain thicknesses but not on the vertical or horizontal course joints?
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PWHT of API 650 Storage tanks
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RE: PWHT of API 650 Storage tanks
RE: PWHT of API 650 Storage tanks
Probably some practical issues enter in as well. If it was cheap and easy to stress-relieve an entire tank, the standard might require that as well.