W shapes (wide flange)

W21X182 W530X272

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 = 12.5d = 22.7tf = 1.48tf = 1.48tw = 0.83tw = 0.83
Cross-section, to scaledimensions in inches

Dimensions

Depthd
22.7in
Flange widthbf
12.5in
Web thicknesstw
0.83in
Flange thicknesstf
1.48in
Distance k (design)kdes
1.98in
Distance k (detailing)kdet
2.75in
Distance k1k1
1.625in
Web clear depthT
17.25in
Distance between flange centroidsho
21.2in

Mass and area

Mass per lengthm
182lb/ft
Cross-sectional areaA
53.6in²

Strong axis x–x

Moment of inertiaIx
4,730in⁴
Elastic section modulusSx
417in³
Plastic section modulusZx
476in³
Radius of gyrationrx
9.4in

Weak axis y–y

Moment of inertiaIy
483in⁴
Elastic section modulusSy
77.2in³
Plastic section modulusZy
119in³
Radius of gyrationry
3in

Torsion and stability

Torsional constantJ
30.7in⁴
Warping constantCw
54,400in⁶
Effective radius of gyrationrts
3.51in

Slenderness ratios

Flange slendernessbf/2tf
4.22
Web slendernessh/tw
22.6

Equivalents in other standards