W shapes (wide flange)

W33X291 W840X433

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 = 15.9d = 34.8tf = 1.73tf = 1.73tw = 0.96tw = 0.96
Cross-section, to scaledimensions in inches

Dimensions

Depthd
34.8in
Flange widthbf
15.9in
Web thicknesstw
0.96in
Flange thicknesstf
1.73in
Distance k (design)kdes
2.52in
Distance k (detailing)kdet
2.938in
Distance k1k1
1.688in
Web clear depthT
28.88in
Distance between flange centroidsho
33.1in

Mass and area

Mass per lengthm
291lb/ft
Cross-sectional areaA
85.6in²

Strong axis x–x

Moment of inertiaIx
17,700in⁴
Elastic section modulusSx
1,020in³
Plastic section modulusZx
1,160in³
Radius of gyrationrx
14.4in

Weak axis y–y

Moment of inertiaIy
1,160in⁴
Elastic section modulusSy
146in³
Plastic section modulusZy
226in³
Radius of gyrationry
3.68in

Torsion and stability

Torsional constantJ
65.1in⁴
Warping constantCw
319,000in⁶
Effective radius of gyrationrts
4.34in

Slenderness ratios

Flange slendernessbf/2tf
4.6
Web slendernessh/tw
31

Equivalents in other standards