W shapes (wide flange)

W40X215 W1000X321

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 = 39tf = 1.22tf = 1.22tw = 0.65tw = 0.65
Cross-section, to scaledimensions in inches

Dimensions

Depthd
39in
Flange widthbf
15.8in
Web thicknesstw
0.65in
Flange thicknesstf
1.22in
Distance k (design)kdes
2.4in
Distance k (detailing)kdet
2.5in
Distance k1k1
1.563in
Web clear depthT
34in
Distance between flange centroidsho
37.8in

Mass and area

Mass per lengthm
215lb/ft
Cross-sectional areaA
63.5in²

Strong axis x–x

Moment of inertiaIx
16,700in⁴
Elastic section modulusSx
859in³
Plastic section modulusZx
964in³
Radius of gyrationrx
16.2in

Weak axis y–y

Moment of inertiaIy
803in⁴
Elastic section modulusSy
101in³
Plastic section modulusZy
156in³
Radius of gyrationry
3.54in

Torsion and stability

Torsional constantJ
24.8in⁴
Warping constantCw
284,000in⁶
Effective radius of gyrationrts
4.19in

Slenderness ratios

Flange slendernessbf/2tf
6.45
Web slendernessh/tw
52.6

Equivalents in other standards