W shapes (wide flange)

W18X211 W460X315

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 = 11.6d = 20.7tf = 1.91tf = 1.91tw = 1.06tw = 1.06
Cross-section, to scaledimensions in inches

Dimensions

Depthd
20.7in
Flange widthbf
11.6in
Web thicknesstw
1.06in
Flange thicknesstf
1.91in
Distance k (design)kdes
2.31in
Distance k (detailing)kdet
2.813in
Distance k1k1
1.375in
Web clear depthT
15.13in
Distance between flange centroidsho
18.8in

Mass and area

Mass per lengthm
211lb/ft
Cross-sectional areaA
62.3in²

Strong axis x–x

Moment of inertiaIx
4,330in⁴
Elastic section modulusSx
419in³
Plastic section modulusZx
490in³
Radius of gyrationrx
8.35in

Weak axis y–y

Moment of inertiaIy
493in⁴
Elastic section modulusSy
85.3in³
Plastic section modulusZy
132in³
Radius of gyrationry
2.82in

Torsion and stability

Torsional constantJ
58.6in⁴
Warping constantCw
43,400in⁶
Effective radius of gyrationrts
3.32in

Slenderness ratios

Flange slendernessbf/2tf
3.02
Web slendernessh/tw
15.1

Equivalents in other standards