W shapes (wide flange)

W27X178 W690X265

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 = 14.1d = 27.8tf = 1.19tf = 1.19tw = 0.725tw = 0.725
Cross-section, to scaledimensions in inches

Dimensions

Depthd
27.8in
Flange widthbf
14.1in
Web thicknesstw
0.725in
Flange thicknesstf
1.19in
Distance k (design)kdes
1.98in
Distance k (detailing)kdet
2.375in
Distance k1k1
1.563in
Web clear depthT
23in
Distance between flange centroidsho
26.6in

Mass and area

Mass per lengthm
178lb/ft
Cross-sectional areaA
52.5in²

Strong axis x–x

Moment of inertiaIx
7,020in⁴
Elastic section modulusSx
505in³
Plastic section modulusZx
570in³
Radius of gyrationrx
11.6in

Weak axis y–y

Moment of inertiaIy
555in⁴
Elastic section modulusSy
78.8in³
Plastic section modulusZy
122in³
Radius of gyrationry
3.25in

Torsion and stability

Torsional constantJ
20.1in⁴
Warping constantCw
98,400in⁶
Effective radius of gyrationrts
3.83in

Slenderness ratios

Flange slendernessbf/2tf
5.92
Web slendernessh/tw
32.9

Equivalents in other standards