OAMBBIA STEEL. 



231 



PROPERTIES OF LATTICED CHANNEL COLUMNS. 



Depth of Channel 



and 

 Section Number. 



Weight 

 per 

 foot 



Pounds. 



Axis 1-1. 



Moment 

 of Inertia. 



Inches.* 



Section 



Inches.* 



iiis 2-2. 



Moment 

 of Inertia. 



Inches.* 



Section 



Modulus. 



Inches.* 



6* 



C17 



7* 

 C21 



8* 



C25 



10* 

 033 



15* 

 C53 



13.00 

 16.50 



14.75 

 17.25 

 19.75 



11.25 



J0.50 



860.4 



35.2 

 88.7 



66.5 



15.6 



