W shapes (wide flange)

W40X372 W1000X554

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 = 16.1d = 40.6tf = 2.05tf = 2.05tw = 1.16tw = 1.16
Cross-section, to scaledimensions in inches

Dimensions

Depthd
40.6in
Flange widthbf
16.1in
Web thicknesstw
1.16in
Flange thicknesstf
2.05in
Distance k (design)kdes
3.23in
Distance k (detailing)kdet
3.313in
Distance k1k1
1.813in
Web clear depthT
34in
Distance between flange centroidsho
38.6in

Mass and area

Mass per lengthm
372lb/ft
Cross-sectional areaA
110in²

Strong axis x–x

Moment of inertiaIx
29,600in⁴
Elastic section modulusSx
1,460in³
Plastic section modulusZx
1,680in³
Radius of gyrationrx
16.5in

Weak axis y–y

Moment of inertiaIy
1,420in⁴
Elastic section modulusSy
177in³
Plastic section modulusZy
277in³
Radius of gyrationry
3.6in

Torsion and stability

Torsional constantJ
116in⁴
Warping constantCw
528,000in⁶
Effective radius of gyrationrts
4.33in

Slenderness ratios

Flange slendernessbf/2tf
3.93
Web slendernessh/tw
29.5

Equivalents in other standards