W shapes (wide flange)

W40X655 W1000X976

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 = 16.9d = 43.6tf = 3.54tf = 3.54tw = 1.97tw = 1.97
Cross-section, to scaledimensions in inches

Dimensions

Depthd
43.6in
Flange widthbf
16.9in
Web thicknesstw
1.97in
Flange thicknesstf
3.54in
Distance k (design)kdes
4.72in
Distance k (detailing)kdet
4.813in
Distance k1k1
2.188in
Web clear depthT
34in
Distance between flange centroidsho
40.1in

Mass and area

Mass per lengthm
655lb/ft
Cross-sectional areaA
193in²

Strong axis x–x

Moment of inertiaIx
56,500in⁴
Elastic section modulusSx
2,590in³
Plastic section modulusZx
3,080in³
Radius of gyrationrx
17.1in

Weak axis y–y

Moment of inertiaIy
2,870in⁴
Elastic section modulusSy
340in³
Plastic section modulusZy
542in³
Radius of gyrationry
3.86in

Torsion and stability

Torsional constantJ
589in⁴
Warping constantCw
1,150,000in⁶
Effective radius of gyrationrts
4.71in

Slenderness ratios

Flange slendernessbf/2tf
2.39
Web slendernessh/tw
17.3

Equivalents in other standards