W40 sizes

Every W40 in the AISC Shapes Database, 16th Edition, from 149 to 655 lb per foot. Pick a size for its full detailing dimensions and section properties.

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W40 weight and dimension chart

SizeWeight (lb/ft)DepthFlangeSx (in³)
W40×14914938 1/4"11 3/4"513
W40×16716738 5/8"11 3/4"600
W40×18318339"11 3/4"675
W40×19919938 5/8"15 3/4"770
W40×21121139 3/8"11 3/4"786
W40×21521539"15 3/4"859
W40×23523539 3/4"11 7/8"875
W40×24924939 3/8"15 3/4"993
W40×26426440"11 7/8"971
W40×27727739 3/4"15 7/8"1100
W40×27827840 1/8"12"1020
W40×29429440 3/8"12"1080
W40×29729739 7/8"15 7/8"1170
W40×32432440 1/8"15 7/8"1280
W40×32732740 3/4"12 1/8"1200
W40×33133140 3/4"12 1/8"1210
W40×36236240 1/2"16"1420
W40×37237240 5/8"16 1/8"1460
W40×39239241 5/8"12 3/8"1440
W40×39739741"16 1/8"1560
W40×43143141 1/4"16 1/4"1690
W40×50350342"16 3/8"1980
W40×59359343"16 3/4"2340
W40×65565543 5/8"16 7/8"2590

Data from the AISC Shapes Database v16.0. Verify critical dimensions against the current AISC Steel Construction Manual before fabrication.

Browse more: Wide flange beams · Steel Beam Size Chart