W shapes (wide flange)

W21X111 W530X165

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 = 21.5tf = 0.875tf = 0.875tw = 0.55tw = 0.55
Cross-section, to scaledimensions in inches

Dimensions

Depthd
21.5in
Flange widthbf
12.3in
Web thicknesstw
0.55in
Flange thicknesstf
0.875in
Distance k (design)kdes
1.38in
Distance k (detailing)kdet
2.125in
Distance k1k1
1.5in
Web clear depthT
17.25in
Distance between flange centroidsho
20.6in

Mass and area

Mass per lengthm
111lb/ft
Cross-sectional areaA
32.6in²

Strong axis x–x

Moment of inertiaIx
2,670in⁴
Elastic section modulusSx
249in³
Plastic section modulusZx
279in³
Radius of gyrationrx
9.05in

Weak axis y–y

Moment of inertiaIy
274in⁴
Elastic section modulusSy
44.5in³
Plastic section modulusZy
68.2in³
Radius of gyrationry
2.9in

Torsion and stability

Torsional constantJ
6.83in⁴
Warping constantCw
29,200in⁶
Effective radius of gyrationrts
3.37in

Slenderness ratios

Flange slendernessbf/2tf
7.05
Web slendernessh/tw
34.1

Equivalents in other standards