W shapes (wide flange)

W21X166 W530X248

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 = 22.5tf = 1.36tf = 1.36tw = 0.75tw = 0.75
Cross-section, to scaledimensions in inches

Dimensions

Depthd
22.5in
Flange widthbf
12.4in
Web thicknesstw
0.75in
Flange thicknesstf
1.36in
Distance k (design)kdes
1.86in
Distance k (detailing)kdet
2.625in
Distance k1k1
1.563in
Web clear depthT
17.25in
Distance between flange centroidsho
21.1in

Mass and area

Mass per lengthm
166lb/ft
Cross-sectional areaA
48.8in²

Strong axis x–x

Moment of inertiaIx
4,280in⁴
Elastic section modulusSx
380in³
Plastic section modulusZx
432in³
Radius of gyrationrx
9.36in

Weak axis y–y

Moment of inertiaIy
435in⁴
Elastic section modulusSy
70in³
Plastic section modulusZy
108in³
Radius of gyrationry
2.99in

Torsion and stability

Torsional constantJ
23.6in⁴
Warping constantCw
48,500in⁶
Effective radius of gyrationrts
3.48in

Slenderness ratios

Flange slendernessbf/2tf
4.57
Web slendernessh/tw
25

Equivalents in other standards