CAMBBIA STEEL. 



27 



STANDARD BEAMS AND CHANNELS. 



The following data are common to all Standard I-Beams and 

 Channels, with the exceptions stated: 



c = T 6 ff Minimum Web. 



C = Minimum Web + T ^ inch. 



s = Minimum Thickness of Web = t Minimum for all Channels 

 and Beams, except 20" I and 24'' I. 



For 20" Standard I, s = .55", t Minimum = .50". 

 For 24" Standard I, s = .60", t Minimum = .50". 



The Slope of Flange of all Standard Beams and Channels is 161% 

 = 9 - 27' - 44" = 2" per foot. 



