W shapes (wide flange)

W40X199 W1000X296

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 = 15.8d = 38.7tf = 1.07tf = 1.07tw = 0.65tw = 0.65
Cross-section, to scaledimensions in inches

Dimensions

Depthd
38.7in
Flange widthbf
15.8in
Web thicknesstw
0.65in
Flange thicknesstf
1.07in
Distance k (design)kdes
2.25in
Distance k (detailing)kdet
2.313in
Distance k1k1
1.563in
Web clear depthT
34in
Distance between flange centroidsho
37.6in

Mass and area

Mass per lengthm
199lb/ft
Cross-sectional areaA
58.8in²

Strong axis x–x

Moment of inertiaIx
14,900in⁴
Elastic section modulusSx
770in³
Plastic section modulusZx
869in³
Radius of gyrationrx
16in

Weak axis y–y

Moment of inertiaIy
695in⁴
Elastic section modulusSy
88.2in³
Plastic section modulusZy
137in³
Radius of gyrationry
3.45in

Torsion and stability

Torsional constantJ
18.3in⁴
Warping constantCw
246,000in⁶
Effective radius of gyrationrts
4.12in

Slenderness ratios

Flange slendernessbf/2tf
7.39
Web slendernessh/tw
52.6

Equivalents in other standards