W shapes (wide flange)

W8X18 W200X26.6

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 = 5.25d = 8.14tf = 0.33tf = 0.33tw = 0.23tw = 0.23
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8.14in
Flange widthbf
5.25in
Web thicknesstw
0.23in
Flange thicknesstf
0.33in
Distance k (design)kdes
0.63in
Distance k (detailing)kdet
0.8125in
Distance k1k1
0.5625in
Web clear depthT
6.5in
Distance between flange centroidsho
7.81in

Mass and area

Mass per lengthm
18lb/ft
Cross-sectional areaA
5.26in²

Strong axis x–x

Moment of inertiaIx
61.9in⁴
Elastic section modulusSx
15.2in³
Plastic section modulusZx
17in³
Radius of gyrationrx
3.43in

Weak axis y–y

Moment of inertiaIy
7.97in⁴
Elastic section modulusSy
3.04in³
Plastic section modulusZy
4.66in³
Radius of gyrationry
1.23in

Torsion and stability

Torsional constantJ
0.172in⁴
Warping constantCw
122in⁶
Effective radius of gyrationrts
1.43in

Slenderness ratios

Flange slendernessbf/2tf
7.95
Web slendernessh/tw
29.9

Equivalents in other standards