Good day Gents
In accordance with API 653 4.3.4.1, the stress value to be used to calculate the tank minimum thickness is given as 21000 psi. The question is this, if the material type and grade is known, why can the known material stress value(which is higher) not be used for the thickness calculation?
Your valued opinions will be greatly appreciated.
Riaan Stoltz
SAQCC IPE/CPPV
API 653/570/510
RITC Inspection
083 6405909
021 556 4884
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