W shapes (wide flange)

W21X101 W530X150

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 = 21.4tf = 0.8tf = 0.8tw = 0.5tw = 0.5
Cross-section, to scaledimensions in inches

Dimensions

Depthd
21.4in
Flange widthbf
12.3in
Web thicknesstw
0.5in
Flange thicknesstf
0.8in
Distance k (design)kdes
1.3in
Distance k (detailing)kdet
2.063in
Distance k1k1
1.438in
Web clear depthT
17.25in
Distance between flange centroidsho
20.6in

Mass and area

Mass per lengthm
101lb/ft
Cross-sectional areaA
29.8in²

Strong axis x–x

Moment of inertiaIx
2,420in⁴
Elastic section modulusSx
227in³
Plastic section modulusZx
253in³
Radius of gyrationrx
9.02in

Weak axis y–y

Moment of inertiaIy
248in⁴
Elastic section modulusSy
40.3in³
Plastic section modulusZy
61.7in³
Radius of gyrationry
2.89in

Torsion and stability

Torsional constantJ
5.21in⁴
Warping constantCw
26,200in⁶
Effective radius of gyrationrts
3.35in

Slenderness ratios

Flange slendernessbf/2tf
7.68
Web slendernessh/tw
37.5

Equivalents in other standards