W shapes (wide flange)

W18X40 W460X60

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 = 6.02d = 17.9tf = 0.525tf = 0.525tw = 0.315tw = 0.315
Cross-section, to scaledimensions in inches

Dimensions

Depthd
17.9in
Flange widthbf
6.02in
Web thicknesstw
0.315in
Flange thicknesstf
0.525in
Distance k (design)kdes
0.927in
Distance k (detailing)kdet
1.188in
Distance k1k1
0.8125in
Web clear depthT
15.5in
Distance between flange centroidsho
17.4in

Mass and area

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

Strong axis x–x

Moment of inertiaIx
612in⁴
Elastic section modulusSx
68.4in³
Plastic section modulusZx
78.4in³
Radius of gyrationrx
7.21in

Weak axis y–y

Moment of inertiaIy
19.1in⁴
Elastic section modulusSy
6.35in³
Plastic section modulusZy
10in³
Radius of gyrationry
1.27in

Torsion and stability

Torsional constantJ
0.81in⁴
Warping constantCw
1,440in⁶
Effective radius of gyrationrts
1.56in

Slenderness ratios

Flange slendernessbf/2tf
5.73
Web slendernessh/tw
50.9

Equivalents in other standards