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Thanks to all the new contributors! I actually remembered incorrectly and the peak stress was in the (350-530) MPa region, albeit quite local and far from welds, sorry about that. @GregLocock I was referencing, as I assume, the ubiquitous understanding of the "infinite life" as exceeding the...

Thanks for the answers! I sort of expected that it's hard to quantify this. I know the basic thory behind it but it's hard to justify or forgo the calculations. In this case it's a heavy, high strength steel (650 MPa yield point) structure loaded in one dirction a couple of houndred times a...

Hi everyone, I have just joined (although I've been using the knowledge here for a few years already). I've got a very short question necessitated by wildely differing approaches that have appeared at my job (by two analysts). One has compiled a report focusing on fatigue calculations only...