W shapes (wide flange)

W33X169 W840X251

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 = 11.5d = 33.8tf = 1.22tf = 1.22tw = 0.67tw = 0.67
Cross-section, to scaledimensions in inches

Dimensions

Depthd
33.8in
Flange widthbf
11.5in
Web thicknesstw
0.67in
Flange thicknesstf
1.22in
Distance k (design)kdes
1.92in
Distance k (detailing)kdet
2.438in
Distance k1k1
1.563in
Web clear depthT
28.88in
Distance between flange centroidsho
32.6in

Mass and area

Mass per lengthm
169lb/ft
Cross-sectional areaA
49.5in²

Strong axis x–x

Moment of inertiaIx
9,290in⁴
Elastic section modulusSx
549in³
Plastic section modulusZx
629in³
Radius of gyrationrx
13.7in

Weak axis y–y

Moment of inertiaIy
310in⁴
Elastic section modulusSy
53.9in³
Plastic section modulusZy
84.4in³
Radius of gyrationry
2.5in

Torsion and stability

Torsional constantJ
17.7in⁴
Warping constantCw
82,400in⁶
Effective radius of gyrationrts
3.03in

Slenderness ratios

Flange slendernessbf/2tf
4.71
Web slendernessh/tw
44.7

Equivalents in other standards