s-shape i beam allowable momen

huangyhg

s-shape i beam allowable moment
hi new engineer here that forgot most of his schooling.
i'm working on verifing loads for monorails and i have some s8x18.4 and s10x25.4 and require the allowable moment. i have the aisc ninth but the graphs only include w and m beams. can someone help me out and point me in the right direction?
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for the allowable moment, you can look at chapter f of the specification, i believe.  there are 3 equations, the one i re  
shapebook 3.1 has the properties you're looking for, plus other standard and old (historical) shapes from mills that are out of business:   from the "about" file  on my copy:
shapebook is a productivity tool for quick access to the detailing dimensions and design properties of steel shapes. the data contained in this version of shapebook is based on the aisc manual of steel construction lrfd, 3rd edition. structural steel shapes are available in us imperial and metric units.
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see these files:
s8x18.4 properties: