W shapes (wide flange)

W12X120 W310X179

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 = 12.3d = 13.1tf = 1.11tf = 1.11tw = 0.71tw = 0.71
Cross-section, to scaledimensions in inches

Dimensions

Depthd
13.1in
Flange widthbf
12.3in
Web thicknesstw
0.71in
Flange thicknesstf
1.11in
Distance k (design)kdes
1.7in
Distance k (detailing)kdet
2in
Distance k1k1
1.188in
Web clear depthT
9.125in
Distance between flange centroidsho
12in

Mass and area

Mass per lengthm
120lb/ft
Cross-sectional areaA
35.2in²

Strong axis x–x

Moment of inertiaIx
1,070in⁴
Elastic section modulusSx
163in³
Plastic section modulusZx
186in³
Radius of gyrationrx
5.51in

Weak axis y–y

Moment of inertiaIy
345in⁴
Elastic section modulusSy
56in³
Plastic section modulusZy
85.4in³
Radius of gyrationry
3.13in

Torsion and stability

Torsional constantJ
12.9in⁴
Warping constantCw
12,400in⁶
Effective radius of gyrationrts
3.56in

Slenderness ratios

Flange slendernessbf/2tf
5.57
Web slendernessh/tw
13.7

Equivalents in other standards