J-resistance curve solution is developed for a circumferential part-throughwall crack in a pipe under combined tension and bending. The J solution can be applied with load-displacement-crack extension data from one pipe test. Material resistance curves are developed for part-throughwall cracks in Type-304 stainless steel base material and SAW weld, and SA333 Gr6 and A106 GrB carbon steel base materials. Posttest tearing instability analyses are performed to predict the load carrying capacity of pipes containing part-throughwall cracks and to assess the accuracy of a Jestimation scheme solution.

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