W shapes (wide flange)

W21X122 W530X182

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 = 21.7tf = 0.96tf = 0.96tw = 0.6tw = 0.6
Cross-section, to scaledimensions in inches

Dimensions

Depthd
21.7in
Flange widthbf
12.4in
Web thicknesstw
0.6in
Flange thicknesstf
0.96in
Distance k (design)kdes
1.46in
Distance k (detailing)kdet
2.25in
Distance k1k1
1.5in
Web clear depthT
17.25in
Distance between flange centroidsho
20.7in

Mass and area

Mass per lengthm
122lb/ft
Cross-sectional areaA
35.9in²

Strong axis x–x

Moment of inertiaIx
2,960in⁴
Elastic section modulusSx
273in³
Plastic section modulusZx
307in³
Radius of gyrationrx
9.09in

Weak axis y–y

Moment of inertiaIy
305in⁴
Elastic section modulusSy
49.2in³
Plastic section modulusZy
75.6in³
Radius of gyrationry
2.92in

Torsion and stability

Torsional constantJ
8.98in⁴
Warping constantCw
32,700in⁶
Effective radius of gyrationrts
3.4in

Slenderness ratios

Flange slendernessbf/2tf
6.45
Web slendernessh/tw
31.3

Equivalents in other standards