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Re: ST - Allowable stresses for steel tees

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A couple of people have responded to me to refer to AISC B5 and/or Appendix B. 
 Please note that B5 only gives allowable width/thickness ratios, not 
allowable stresses; Appendix B applies if the member exceeds the ratios in B5. 
 However, when a tee meets section B5, AISC is not clear as to which allowable 
stress formula in Chapter F is to be used.  Thru direct e-mail, one responder 
has suggested that section F1.2 applies to tees, using Fb=0.60Fy.  This 
appears to be the most plausible answer - however, the title of section F1 
does not clearly include tees, resulting in some confusion.  Does anyone have 
an AISC document or text which confirms the applicability of section F1.2 to