W shapes (wide flange)

W33X263 W840X392

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 = 34.5tf = 1.57tf = 1.57tw = 0.87tw = 0.87
Cross-section, to scaledimensions in inches

Dimensions

Depthd
34.5in
Flange widthbf
15.8in
Web thicknesstw
0.87in
Flange thicknesstf
1.57in
Distance k (design)kdes
2.36in
Distance k (detailing)kdet
2.813in
Distance k1k1
1.625in
Web clear depthT
28.88in
Distance between flange centroidsho
32.9in

Mass and area

Mass per lengthm
263lb/ft
Cross-sectional areaA
77.4in²

Strong axis x–x

Moment of inertiaIx
15,900in⁴
Elastic section modulusSx
919in³
Plastic section modulusZx
1,040in³
Radius of gyrationrx
14.3in

Weak axis y–y

Moment of inertiaIy
1,040in⁴
Elastic section modulusSy
131in³
Plastic section modulusZy
202in³
Radius of gyrationry
3.66in

Torsion and stability

Torsional constantJ
48.7in⁴
Warping constantCw
281,000in⁶
Effective radius of gyrationrts
4.31in

Slenderness ratios

Flange slendernessbf/2tf
5.03
Web slendernessh/tw
34.3

Equivalents in other standards