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RE: Again on the HSS black book

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Title: RE: Again on the HSS black book

>Is anyone aware of an Errata for the black book?

None published to date, but I will be putting one together to include the error you pointed out below.

>Table 4.9 is in error for the minimum wall thickness of
>round HSS. The values(i.e. 10.3/Fy) move down 1 row,
>therefore, 10.3/Fy is for 5/16" plate instead of 1/4".
>Therefore, is the value for 1/4" now 7.7/Fy?

You are correct on both accounts. Thanks for bringing this to my attention.

Charlie