W shapes (wide flange)

W30X391 W760X582

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 = 15.6d = 33.2tf = 2.44tf = 2.44tw = 1.36tw = 1.36
Cross-section, to scaledimensions in inches

Dimensions

Depthd
33.2in
Flange widthbf
15.6in
Web thicknesstw
1.36in
Flange thicknesstf
2.44in
Distance k (design)kdes
3.23in
Distance k (detailing)kdet
3.75in
Distance k1k1
1.875in
Web clear depthT
25.75in
Distance between flange centroidsho
30.8in

Mass and area

Mass per lengthm
391lb/ft
Cross-sectional areaA
115in²

Strong axis x–x

Moment of inertiaIx
20,700in⁴
Elastic section modulusSx
1,250in³
Plastic section modulusZx
1,450in³
Radius of gyrationrx
13.4in

Weak axis y–y

Moment of inertiaIy
1,550in⁴
Elastic section modulusSy
198in³
Plastic section modulusZy
310in³
Radius of gyrationry
3.67in

Torsion and stability

Torsional constantJ
173in⁴
Warping constantCw
366,000in⁶
Effective radius of gyrationrts
4.37in

Slenderness ratios

Flange slendernessbf/2tf
3.19
Web slendernessh/tw
19.7

Equivalents in other standards