W shapes (wide flange)

W12X136 W310X202

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 = 12.4d = 13.4tf = 1.25tf = 1.25tw = 0.79tw = 0.79
Cross-section, to scaledimensions in inches

Dimensions

Depthd
13.4in
Flange widthbf
12.4in
Web thicknesstw
0.79in
Flange thicknesstf
1.25in
Distance k (design)kdes
1.85in
Distance k (detailing)kdet
2.125in
Distance k1k1
1.25in
Web clear depthT
9.125in
Distance between flange centroidsho
12.2in

Mass and area

Mass per lengthm
136lb/ft
Cross-sectional areaA
39.9in²

Strong axis x–x

Moment of inertiaIx
1,240in⁴
Elastic section modulusSx
186in³
Plastic section modulusZx
214in³
Radius of gyrationrx
5.58in

Weak axis y–y

Moment of inertiaIy
398in⁴
Elastic section modulusSy
64.2in³
Plastic section modulusZy
98in³
Radius of gyrationry
3.16in

Torsion and stability

Torsional constantJ
18.5in⁴
Warping constantCw
14,700in⁶
Effective radius of gyrationrts
3.61in

Slenderness ratios

Flange slendernessbf/2tf
4.96
Web slendernessh/tw
12.3

Equivalents in other standards