In ramber-osgood (nonlinear stress-strain) for pipeline modelling by FEA, to calculate the ramberg-osgood coefficients i need to get TENSILE STRAIN at tesile strength. How can i get TENSILE STRENGTH?, (this is at design stage and mill data is not available yet)
(NB, for ramberg osgood coefficient calculation, the required yield strain at yield strength is gotten 0.5% as per API 5L)
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