Finite element simulations are nowadays a standard industrial tool for exploring the effect of manufacturing tolerances on the collapse and collapse propagation pressure of tubular goods. Hence, it is of the highest importance that sound computational techniques are used and that the model results are validated using experimental results. Regarding the modeling of steel pipes collapse and post-collapse behavior, in this paper we discuss: applicability of 2D models; shell elements for the 3D models; nonlinearities to include in the models; material modeling; modeling of residual stresses; boundary conditions for simulating different pressure tests; code verification and results validation. Regarding the link between production process and manufacturing tolerances we briefly review some results that we obtained for the case of the UOE process.

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