W shapes (wide flange)

W40X392 W1000X584

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 = 12.4d = 41.6tf = 2.52tf = 2.52tw = 1.42tw = 1.42
Cross-section, to scaledimensions in inches

Dimensions

Depthd
41.6in
Flange widthbf
12.4in
Web thicknesstw
1.42in
Flange thicknesstf
2.52in
Distance k (design)kdes
3.7in
Distance k (detailing)kdet
3.813in
Distance k1k1
1.938in
Web clear depthT
34in
Distance between flange centroidsho
39.1in

Mass and area

Mass per lengthm
392lb/ft
Cross-sectional areaA
116in²

Strong axis x–x

Moment of inertiaIx
29,900in⁴
Elastic section modulusSx
1,440in³
Plastic section modulusZx
1,710in³
Radius of gyrationrx
16.1in

Weak axis y–y

Moment of inertiaIy
803in⁴
Elastic section modulusSy
130in³
Plastic section modulusZy
212in³
Radius of gyrationry
2.64in

Torsion and stability

Torsional constantJ
172in⁴
Warping constantCw
306,000in⁶
Effective radius of gyrationrts
3.3in

Slenderness ratios

Flange slendernessbf/2tf
2.45
Web slendernessh/tw
24.1

Equivalents in other standards