W shapes (wide flange)

W12X50 W310X74

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 = 8.08d = 12.2tf = 0.64tf = 0.64tw = 0.37tw = 0.37
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12.2in
Flange widthbf
8.08in
Web thicknesstw
0.37in
Flange thicknesstf
0.64in
Distance k (design)kdes
1.14in
Distance k (detailing)kdet
1.5in
Distance k1k1
0.9375in
Web clear depthT
9.25in
Distance between flange centroidsho
11.6in

Mass and area

Mass per lengthm
50lb/ft
Cross-sectional areaA
14.6in²

Strong axis x–x

Moment of inertiaIx
391in⁴
Elastic section modulusSx
64.2in³
Plastic section modulusZx
71.9in³
Radius of gyrationrx
5.18in

Weak axis y–y

Moment of inertiaIy
56.3in⁴
Elastic section modulusSy
13.9in³
Plastic section modulusZy
21.3in³
Radius of gyrationry
1.96in

Torsion and stability

Torsional constantJ
1.71in⁴
Warping constantCw
1,880in⁶
Effective radius of gyrationrts
2.25in

Slenderness ratios

Flange slendernessbf/2tf
6.31
Web slendernessh/tw
26.8

Equivalents in other standards