W shapes (wide flange)

W40X297 W1000X443

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 = 15.8d = 39.8tf = 1.65tf = 1.65tw = 0.93tw = 0.93
Cross-section, to scaledimensions in inches

Dimensions

Depthd
39.8in
Flange widthbf
15.8in
Web thicknesstw
0.93in
Flange thicknesstf
1.65in
Distance k (design)kdes
2.83in
Distance k (detailing)kdet
2.938in
Distance k1k1
1.688in
Web clear depthT
34in
Distance between flange centroidsho
38.2in

Mass and area

Mass per lengthm
297lb/ft
Cross-sectional areaA
87.3in²

Strong axis x–x

Moment of inertiaIx
23,200in⁴
Elastic section modulusSx
1,170in³
Plastic section modulusZx
1,330in³
Radius of gyrationrx
16.3in

Weak axis y–y

Moment of inertiaIy
1,090in⁴
Elastic section modulusSy
138in³
Plastic section modulusZy
215in³
Radius of gyrationry
3.54in

Torsion and stability

Torsional constantJ
61.2in⁴
Warping constantCw
399,000in⁶
Effective radius of gyrationrts
4.22in

Slenderness ratios

Flange slendernessbf/2tf
4.8
Web slendernessh/tw
36.8

Equivalents in other standards