W shapes (wide flange)

W16X31 W410X46.1

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 = 5.53d = 15.9tf = 0.44tf = 0.44tw = 0.275tw = 0.275
Cross-section, to scaledimensions in inches

Dimensions

Depthd
15.9in
Flange widthbf
5.53in
Web thicknesstw
0.275in
Flange thicknesstf
0.44in
Distance k (design)kdes
0.842in
Distance k (detailing)kdet
1.125in
Distance k1k1
0.75in
Web clear depthT
13.63in
Distance between flange centroidsho
15.5in

Mass and area

Mass per lengthm
31lb/ft
Cross-sectional areaA
9.13in²

Strong axis x–x

Moment of inertiaIx
375in⁴
Elastic section modulusSx
47.2in³
Plastic section modulusZx
54in³
Radius of gyrationrx
6.41in

Weak axis y–y

Moment of inertiaIy
12.4in⁴
Elastic section modulusSy
4.49in³
Plastic section modulusZy
7.03in³
Radius of gyrationry
1.17in

Torsion and stability

Torsional constantJ
0.461in⁴
Warping constantCw
739in⁶
Effective radius of gyrationrts
1.42in

Slenderness ratios

Flange slendernessbf/2tf
6.28
Web slendernessh/tw
51.6

Equivalents in other standards