W shapes (wide flange)

W21X201 W530X300

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 = 12.6d = 23tf = 1.63tf = 1.63tw = 0.91tw = 0.91
Cross-section, to scaledimensions in inches

Dimensions

Depthd
23in
Flange widthbf
12.6in
Web thicknesstw
0.91in
Flange thicknesstf
1.63in
Distance k (design)kdes
2.13in
Distance k (detailing)kdet
2.875in
Distance k1k1
1.688in
Web clear depthT
17.25in
Distance between flange centroidsho
21.4in

Mass and area

Mass per lengthm
201lb/ft
Cross-sectional areaA
59.3in²

Strong axis x–x

Moment of inertiaIx
5,310in⁴
Elastic section modulusSx
461in³
Plastic section modulusZx
530in³
Radius of gyrationrx
9.47in

Weak axis y–y

Moment of inertiaIy
542in⁴
Elastic section modulusSy
86.1in³
Plastic section modulusZy
133in³
Radius of gyrationry
3.02in

Torsion and stability

Torsional constantJ
40.9in⁴
Warping constantCw
62,000in⁶
Effective radius of gyrationrts
3.55in

Slenderness ratios

Flange slendernessbf/2tf
3.86
Web slendernessh/tw
20.6

Equivalents in other standards