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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 
tees?