W shapes (wide flange)

W36X231 W920X344

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 = 16.5d = 36.5tf = 1.26tf = 1.26tw = 0.76tw = 0.76
Cross-section, to scaledimensions in inches

Dimensions

Depthd
36.5in
Flange widthbf
16.5in
Web thicknesstw
0.76in
Flange thicknesstf
1.26in
Distance k (design)kdes
2.21in
Distance k (detailing)kdet
2.563in
Distance k1k1
1.563in
Web clear depthT
31.38in
Distance between flange centroidsho
35.2in

Mass and area

Mass per lengthm
231lb/ft
Cross-sectional areaA
68.2in²

Strong axis x–x

Moment of inertiaIx
15,600in⁴
Elastic section modulusSx
854in³
Plastic section modulusZx
963in³
Radius of gyrationrx
15.1in

Weak axis y–y

Moment of inertiaIy
940in⁴
Elastic section modulusSy
114in³
Plastic section modulusZy
176in³
Radius of gyrationry
3.71in

Torsion and stability

Torsional constantJ
28.7in⁴
Warping constantCw
292,000in⁶
Effective radius of gyrationrts
4.4in

Slenderness ratios

Flange slendernessbf/2tf
6.54
Web slendernessh/tw
42.2

Equivalents in other standards