W shapes (wide flange)

W36X441 W920X656

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 = 17d = 38.9tf = 2.44tf = 2.44tw = 1.36tw = 1.36
Cross-section, to scaledimensions in inches

Dimensions

Depthd
38.9in
Flange widthbf
17in
Web thicknesstw
1.36in
Flange thicknesstf
2.44in
Distance k (design)kdes
3.39in
Distance k (detailing)kdet
3.75in
Distance k1k1
1.875in
Web clear depthT
31.38in
Distance between flange centroidsho
36.5in

Mass and area

Mass per lengthm
441lb/ft
Cross-sectional areaA
130in²

Strong axis x–x

Moment of inertiaIx
32,100in⁴
Elastic section modulusSx
1,650in³
Plastic section modulusZx
1,910in³
Radius of gyrationrx
15.7in

Weak axis y–y

Moment of inertiaIy
1,990in⁴
Elastic section modulusSy
235in³
Plastic section modulusZy
368in³
Radius of gyrationry
3.92in

Torsion and stability

Torsional constantJ
194in⁴
Warping constantCw
661,000in⁶
Effective radius of gyrationrts
4.69in

Slenderness ratios

Flange slendernessbf/2tf
3.48
Web slendernessh/tw
23.6

Equivalents in other standards