W shapes (wide flange)

W12X65 W310X97

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 = 12.1tf = 0.605tf = 0.605tw = 0.39tw = 0.39
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12.1in
Flange widthbf
12in
Web thicknesstw
0.39in
Flange thicknesstf
0.605in
Distance k (design)kdes
1.2in
Distance k (detailing)kdet
1.5in
Distance k1k1
1in
Web clear depthT
9.125in
Distance between flange centroidsho
11.5in

Mass and area

Mass per lengthm
65lb/ft
Cross-sectional areaA
19.1in²

Strong axis x–x

Moment of inertiaIx
533in⁴
Elastic section modulusSx
87.9in³
Plastic section modulusZx
96.8in³
Radius of gyrationrx
5.28in

Weak axis y–y

Moment of inertiaIy
174in⁴
Elastic section modulusSy
29.1in³
Plastic section modulusZy
44.1in³
Radius of gyrationry
3.02in

Torsion and stability

Torsional constantJ
2.18in⁴
Warping constantCw
5,780in⁶
Effective radius of gyrationrts
3.38in

Slenderness ratios

Flange slendernessbf/2tf
9.92
Web slendernessh/tw
24.9

Equivalents in other standards