W shapes (wide flange)

W12X22 W310X32.7

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 = 4.03d = 12.3tf = 0.425tf = 0.425tw = 0.26tw = 0.26
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12.3in
Flange widthbf
4.03in
Web thicknesstw
0.26in
Flange thicknesstf
0.425in
Distance k (design)kdes
0.725in
Distance k (detailing)kdet
0.9375in
Distance k1k1
0.625in
Web clear depthT
10.38in
Distance between flange centroidsho
11.9in

Mass and area

Mass per lengthm
22lb/ft
Cross-sectional areaA
6.48in²

Strong axis x–x

Moment of inertiaIx
156in⁴
Elastic section modulusSx
25.4in³
Plastic section modulusZx
29.3in³
Radius of gyrationrx
4.91in

Weak axis y–y

Moment of inertiaIy
4.66in⁴
Elastic section modulusSy
2.31in³
Plastic section modulusZy
3.66in³
Radius of gyrationry
0.848in

Torsion and stability

Torsional constantJ
0.293in⁴
Warping constantCw
164in⁶
Effective radius of gyrationrts
1.04in

Slenderness ratios

Flange slendernessbf/2tf
4.74
Web slendernessh/tw
41.8

Equivalents in other standards