W shapes (wide flange)

W40X324 W1000X483

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 = 15.9d = 40.2tf = 1.81tf = 1.81tw = 1tw = 1
Cross-section, to scaledimensions in inches

Dimensions

Depthd
40.2in
Flange widthbf
15.9in
Web thicknesstw
1in
Flange thicknesstf
1.81in
Distance k (design)kdes
2.99in
Distance k (detailing)kdet
3.063in
Distance k1k1
1.688in
Web clear depthT
34in
Distance between flange centroidsho
38.4in

Mass and area

Mass per lengthm
324lb/ft
Cross-sectional areaA
95.3in²

Strong axis x–x

Moment of inertiaIx
25,600in⁴
Elastic section modulusSx
1,280in³
Plastic section modulusZx
1,460in³
Radius of gyrationrx
16.4in

Weak axis y–y

Moment of inertiaIy
1,220in⁴
Elastic section modulusSy
153in³
Plastic section modulusZy
239in³
Radius of gyrationry
3.58in

Torsion and stability

Torsional constantJ
79.4in⁴
Warping constantCw
448,000in⁶
Effective radius of gyrationrts
4.27in

Slenderness ratios

Flange slendernessbf/2tf
4.4
Web slendernessh/tw
34.2

Equivalents in other standards