W shapes (wide flange)

W36X256 W920X381

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 = 12.2d = 37.4tf = 1.73tf = 1.73tw = 0.96tw = 0.96
Cross-section, to scaledimensions in inches

Dimensions

Depthd
37.4in
Flange widthbf
12.2in
Web thicknesstw
0.96in
Flange thicknesstf
1.73in
Distance k (design)kdes
2.48in
Distance k (detailing)kdet
2.938in
Distance k1k1
1.688in
Web clear depthT
31.5in
Distance between flange centroidsho
35.7in

Mass and area

Mass per lengthm
256lb/ft
Cross-sectional areaA
75.3in²

Strong axis x–x

Moment of inertiaIx
16,800in⁴
Elastic section modulusSx
895in³
Plastic section modulusZx
1,040in³
Radius of gyrationrx
14.9in

Weak axis y–y

Moment of inertiaIy
528in⁴
Elastic section modulusSy
86.5in³
Plastic section modulusZy
137in³
Radius of gyrationry
2.65in

Torsion and stability

Torsional constantJ
52.9in⁴
Warping constantCw
168,000in⁶
Effective radius of gyrationrts
3.24in

Slenderness ratios

Flange slendernessbf/2tf
3.53
Web slendernessh/tw
33.8

Equivalents in other standards