W shapes (wide flange)

W12X72 W310X107

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 = 12d = 12.3tf = 0.67tf = 0.67tw = 0.43tw = 0.43
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12.3in
Flange widthbf
12in
Web thicknesstw
0.43in
Flange thicknesstf
0.67in
Distance k (design)kdes
1.27in
Distance k (detailing)kdet
1.563in
Distance k1k1
1.063in
Web clear depthT
9.125in
Distance between flange centroidsho
11.6in

Mass and area

Mass per lengthm
72lb/ft
Cross-sectional areaA
21.1in²

Strong axis x–x

Moment of inertiaIx
597in⁴
Elastic section modulusSx
97.4in³
Plastic section modulusZx
108in³
Radius of gyrationrx
5.31in

Weak axis y–y

Moment of inertiaIy
195in⁴
Elastic section modulusSy
32.4in³
Plastic section modulusZy
49.2in³
Radius of gyrationry
3.04in

Torsion and stability

Torsional constantJ
2.93in⁴
Warping constantCw
6,540in⁶
Effective radius of gyrationrts
3.41in

Slenderness ratios

Flange slendernessbf/2tf
8.99
Web slendernessh/tw
22.6

Equivalents in other standards