W shapes (wide flange)

W21X248 W530X369

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 = 12.8d = 23.7tf = 1.99tf = 1.99tw = 1.1tw = 1.1
Cross-section, to scaledimensions in inches

Dimensions

Depthd
23.7in
Flange widthbf
12.8in
Web thicknesstw
1.1in
Flange thicknesstf
1.99in
Distance k (design)kdes
3.17in
Distance k (detailing)kdet
3.25in
Distance k1k1
1.75in
Web clear depthT
17.25in
Distance between flange centroidsho
21.7in

Mass and area

Mass per lengthm
248lb/ft
Cross-sectional areaA
73.8in²

Strong axis x–x

Moment of inertiaIx
6,830in⁴
Elastic section modulusSx
576in³
Plastic section modulusZx
671in³
Radius of gyrationrx
9.62in

Weak axis y–y

Moment of inertiaIy
699in⁴
Elastic section modulusSy
109in³
Plastic section modulusZy
170in³
Radius of gyrationry
3.08in

Torsion and stability

Torsional constantJ
80.7in⁴
Warping constantCw
82,400in⁶
Effective radius of gyrationrts
3.63in

Slenderness ratios

Flange slendernessbf/2tf
3.22
Web slendernessh/tw
15.8

Equivalents in other standards