W shapes (wide flange)

W18X175 W460X260

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 = 11.4d = 20tf = 1.59tf = 1.59tw = 0.89tw = 0.89
Cross-section, to scaledimensions in inches

Dimensions

Depthd
20in
Flange widthbf
11.4in
Web thicknesstw
0.89in
Flange thicknesstf
1.59in
Distance k (design)kdes
1.99in
Distance k (detailing)kdet
2.438in
Distance k1k1
1.25in
Web clear depthT
15.13in
Distance between flange centroidsho
18.4in

Mass and area

Mass per lengthm
175lb/ft
Cross-sectional areaA
51.4in²

Strong axis x–x

Moment of inertiaIx
3,450in⁴
Elastic section modulusSx
344in³
Plastic section modulusZx
398in³
Radius of gyrationrx
8.2in

Weak axis y–y

Moment of inertiaIy
391in⁴
Elastic section modulusSy
68.8in³
Plastic section modulusZy
106in³
Radius of gyrationry
2.76in

Torsion and stability

Torsional constantJ
33.8in⁴
Warping constantCw
33,300in⁶
Effective radius of gyrationrts
3.24in

Slenderness ratios

Flange slendernessbf/2tf
3.58
Web slendernessh/tw
18

Equivalents in other standards