W shapes (wide flange)

W40X235 W1000X350

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 = 11.9d = 39.7tf = 1.58tf = 1.58tw = 0.83tw = 0.83
Cross-section, to scaledimensions in inches

Dimensions

Depthd
39.7in
Flange widthbf
11.9in
Web thicknesstw
0.83in
Flange thicknesstf
1.58in
Distance k (design)kdes
2.76in
Distance k (detailing)kdet
2.875in
Distance k1k1
1.625in
Web clear depthT
34in
Distance between flange centroidsho
38.1in

Mass and area

Mass per lengthm
235lb/ft
Cross-sectional areaA
69.1in²

Strong axis x–x

Moment of inertiaIx
17,400in⁴
Elastic section modulusSx
875in³
Plastic section modulusZx
1,010in³
Radius of gyrationrx
15.9in

Weak axis y–y

Moment of inertiaIy
444in⁴
Elastic section modulusSy
74.6in³
Plastic section modulusZy
118in³
Radius of gyrationry
2.54in

Torsion and stability

Torsional constantJ
41.3in⁴
Warping constantCw
161,000in⁶
Effective radius of gyrationrts
3.11in

Slenderness ratios

Flange slendernessbf/2tf
3.77
Web slendernessh/tw
41.2

Equivalents in other standards