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  • Users: canwestler
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  1. canwestler

    Looking for advice, high yield material with YS>180ksi

    Hi, I'm new for this forum and looking for some advice regarding the materials. We designed the 2.125" shaft made of 17-4 H900 with 2" STUB ACME threads to withstand 400,000 lbf tensile load. The shaft has 47 HRc hardness, but it failed and broke off at 2" STUB ACME thread while pulling test at...

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