W shapes (wide flange)

W21X68 W530X101

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 = 8.27d = 21.1tf = 0.685tf = 0.685tw = 0.43tw = 0.43
Cross-section, to scaledimensions in inches

Dimensions

Depthd
21.1in
Flange widthbf
8.27in
Web thicknesstw
0.43in
Flange thicknesstf
0.685in
Distance k (design)kdes
1.19in
Distance k (detailing)kdet
1.375in
Distance k1k1
0.875in
Web clear depthT
18.38in
Distance between flange centroidsho
20.4in

Mass and area

Mass per lengthm
68lb/ft
Cross-sectional areaA
20in²

Strong axis x–x

Moment of inertiaIx
1,480in⁴
Elastic section modulusSx
140in³
Plastic section modulusZx
160in³
Radius of gyrationrx
8.6in

Weak axis y–y

Moment of inertiaIy
64.7in⁴
Elastic section modulusSy
15.7in³
Plastic section modulusZy
24.4in³
Radius of gyrationry
1.8in

Torsion and stability

Torsional constantJ
2.45in⁴
Warping constantCw
6,760in⁶
Effective radius of gyrationrts
2.17in

Slenderness ratios

Flange slendernessbf/2tf
6.04
Web slendernessh/tw
43.6

Equivalents in other standards