Can anybody tell me by how liquid weight formula have been derived by API 650.
WL = 59tb(sqrt(Fby.H) (N/m)
Basically i want to know the term "59".
Thanks in advance.
Typical density of oil in lb/ft3.
Thanks for your reply...
But my friend the term "59" is in a SI unit?
For customery unit this term is "2.6".
No, lb/ft3 are not SI units; they are Imperial.
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