W shapes (wide flange)

W36X330 W920X491

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 = 16.6d = 37.7tf = 1.85tf = 1.85tw = 1.02tw = 1.02
Cross-section, to scaledimensions in inches

Dimensions

Depthd
37.7in
Flange widthbf
16.6in
Web thicknesstw
1.02in
Flange thicknesstf
1.85in
Distance k (design)kdes
2.8in
Distance k (detailing)kdet
3.125in
Distance k1k1
1.75in
Web clear depthT
31.38in
Distance between flange centroidsho
35.9in

Mass and area

Mass per lengthm
330lb/ft
Cross-sectional areaA
96.9in²

Strong axis x–x

Moment of inertiaIx
23,300in⁴
Elastic section modulusSx
1,240in³
Plastic section modulusZx
1,410in³
Radius of gyrationrx
15.5in

Weak axis y–y

Moment of inertiaIy
1,420in⁴
Elastic section modulusSy
171in³
Plastic section modulusZy
265in³
Radius of gyrationry
3.83in

Torsion and stability

Torsional constantJ
84.3in⁴
Warping constantCw
456,000in⁶
Effective radius of gyrationrts
4.53in

Slenderness ratios

Flange slendernessbf/2tf
4.49
Web slendernessh/tw
31.4

Equivalents in other standards