W40 Beam Sizes

The W40 series runs 24 sizes, from W40x655 at 655 lb/ft to W40x149 at 149 lb/ft. They share a nominal depth and a common set of rolls, so a size change within the series usually keeps the connection detail intact.

W40 sizes, heaviest first

Sizelb/ftd (in)A (in²)Ix (in⁴)Sx (in³)Zx (in³)
W40x65565543.619356,5002,5903,080
W40x5935934317450,4002,3402,760
W40x50350342.114841,6001,9802,320
W40x43143141.312734,8001,6901,960
W40x3973974111732,0001,5601,800
W40x39239241.611629,9001,4401,710
W40x37237240.611029,6001,4601,680
W40x36236240.610628,9001,4201,640
W40x33133140.897.724,7001,2101,430
W40x32732740.895.924,5001,2001,410
W40x32432440.295.325,6001,2801,460
W40x29729739.887.323,2001,1701,330
W40x29429440.486.221,9001,0801,270
W40x27827840.282.320,5001,0201,190
W40x27727739.781.521,9001,1001,250
W40x2642644077.419,4009711,130
W40x24924939.473.519,6009931,120
W40x23523539.769.117,4008751,010
W40x2152153963.516,700859964
W40x21121139.462.115,500786906
W40x19919938.758.814,900770869
W40x1831833953.313,200675774
W40x16716738.649.311,600600693
W40x14914938.243.89,800513598

Nominal depth is not actual depth; the tabulated d above is what to detail to.

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