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I am comparing the STAAD beam design results(Laterally unsupported) and manually calculated results. There is a variation in the values for Sec. 9.3.1.1, Sec. 9.3.2.2 (i) & Sec. 9.3.2.2(ii)  .

Would it be possible to share a example file to see what values STAAD is considering in its equations.(For rolled and welded sections)

I have shared STAAD report Track-2 and excel cals. for your reference.