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Compactness of Angles For Compression:
 
Calculation:
Designer/Checker:
   
Input:  
   
 
(Note: All input Metric units are converted to English units for the equations below and then the output English units are converted back to Metric)
 
AISC Table B4.1a, Case 3:
This calculation applies to single angles.
     
Width of the leg (b - in or mm)
Steel yield strength (fy - ksi or MPa)
Thickness of the leg (t - in or mm)
   

     
   
   
Output:
 
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Width thickness ratio leg, WTL =
   
Limiting slenderness for noncompact leg, WTLr =
Leg compact/noncompact, CNC or slender, S?
 
 
 
 




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