W shapes (wide flange)

W12X26 W310X38.7

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 = 6.49d = 12.2tf = 0.38tf = 0.38tw = 0.23tw = 0.23
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12.2in
Flange widthbf
6.49in
Web thicknesstw
0.23in
Flange thicknesstf
0.38in
Distance k (design)kdes
0.68in
Distance k (detailing)kdet
1.063in
Distance k1k1
0.75in
Web clear depthT
10.13in
Distance between flange centroidsho
11.8in

Mass and area

Mass per lengthm
26lb/ft
Cross-sectional areaA
7.65in²

Strong axis x–x

Moment of inertiaIx
204in⁴
Elastic section modulusSx
33.4in³
Plastic section modulusZx
37.2in³
Radius of gyrationrx
5.17in

Weak axis y–y

Moment of inertiaIy
17.3in⁴
Elastic section modulusSy
5.34in³
Plastic section modulusZy
8.17in³
Radius of gyrationry
1.51in

Torsion and stability

Torsional constantJ
0.3in⁴
Warping constantCw
607in⁶
Effective radius of gyrationrts
1.75in

Slenderness ratios

Flange slendernessbf/2tf
8.54
Web slendernessh/tw
47.2

Equivalents in other standards