TABLE 3 

 Dimensions of Typical Frame Cross Sections 



Frame 

 Type 



Shape 



Frame Dimensions in inches 



^; 



d 



h 



c 



s 



t 



u 



1 



H 



9.63 



7.28 



6.06 



4.34 



0.555 



0.633 



0.555 



2 



I 



(6x3 3/8) 



5.02 



6.00 



3.565 



3.565 



0.465 



0.359 



0.359 



3 



I 



(6x6) 



5.90 



6.20 



6.018 



6.018 



0.258 



0.367 



0.367 



4 



ST 13 WF 



13.83 



13.45 



9.99 



- 



0.490 



0.747 



- 



5 



ST 61 



4.63 



6.00 



5.00 



- 



0.350 



0.544 



- 



2 7 

 ♦Values of /4 , in inches for Frames 2-5 are those given in the A.LS.C. Handbook. In some 



cases, these include fillets not listed in this table. 



TABLE 4 

 Comparison of Approximate and Exact Values for /, and 1 ^ 



Frame 



/, in in.'* 



R, 

 Shell 

 Radius 



h, 



Shell 

 Thickness 



le 



in in."* 



Type 













Exact* 



Approximate 



in 

 inches 



in 

 inches 



Exact 



Approximate 



1 



80.5 



78.9 



96 



0.768 



181.5 



178.5 



2 



26.0 



26.9 



96 



1.125 



77.94 



76.9 



3 



41.7 



41.8 



96 



1.125 



103.5 



101.7 



4 



238.5 



241.0 



168 



2.00 



1618 



1589 



5 



14.90 



14.80 



96 



1.125 



111.3 



109.3 



•Exact 



values of 



' f for Frames 2- 



5 are those 



given in Reft 



jrence 7. 





14 



