W shapes (wide flange)

W16X40 W410X60

Standard: AISC Shapes Database v16.0Source: AISC (aisc.org) — Shapes Database v16.0 (Excel file)
Values published by AISC, in US customary (original) and SI units.
xybf = 7d = 16tf = 0.505tf = 0.505tw = 0.305tw = 0.305
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Flange widthbf
7in
Web thicknesstw
0.305in
Flange thicknesstf
0.505in
Distance k (design)kdes
0.907in
Distance k (detailing)kdet
1.188in
Distance k1k1
0.8125in
Web clear depthT
13.63in
Distance between flange centroidsho
15.5in

Mass and area

Mass per lengthm
40lb/ft
Cross-sectional areaA
11.8in²

Strong axis x–x

Moment of inertiaIx
518in⁴
Elastic section modulusSx
64.7in³
Plastic section modulusZx
73in³
Radius of gyrationrx
6.63in

Weak axis y–y

Moment of inertiaIy
28.9in⁴
Elastic section modulusSy
8.25in³
Plastic section modulusZy
12.7in³
Radius of gyrationry
1.57in

Torsion and stability

Torsional constantJ
0.794in⁴
Warping constantCw
1,730in⁶
Effective radius of gyrationrts
1.86in

Slenderness ratios

Flange slendernessbf/2tf
6.93
Web slendernessh/tw
46.5

Equivalents in other standards