W shapes (wide flange)

W18X234 W460X349

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 = 11.7d = 21.1tf = 2.11tf = 2.11tw = 1.16tw = 1.16
Cross-section, to scaledimensions in inches

Dimensions

Depthd
21.1in
Flange widthbf
11.7in
Web thicknesstw
1.16in
Flange thicknesstf
2.11in
Distance k (design)kdes
2.51in
Distance k (detailing)kdet
3in
Distance k1k1
1.375in
Web clear depthT
15.13in
Distance between flange centroidsho
19in

Mass and area

Mass per lengthm
234lb/ft
Cross-sectional areaA
68.6in²

Strong axis x–x

Moment of inertiaIx
4,900in⁴
Elastic section modulusSx
466in³
Plastic section modulusZx
549in³
Radius of gyrationrx
8.44in

Weak axis y–y

Moment of inertiaIy
558in⁴
Elastic section modulusSy
95.8in³
Plastic section modulusZy
149in³
Radius of gyrationry
2.85in

Torsion and stability

Torsional constantJ
78.7in⁴
Warping constantCw
50,100in⁶
Effective radius of gyrationrts
3.37in

Slenderness ratios

Flange slendernessbf/2tf
2.76
Web slendernessh/tw
13.8

Equivalents in other standards