AA standard channels

C 14 x 13.9

Standard: Aluminum AssociationSource: Aluminum Association standard shape dimensions (as listed by Engineers Edge) — calculated properties
Mass calculated at 2700 kg/m³. Flange toe radius ignored (area difference < 1.5%).
xybf = 6d = 14tf = 0.64tf = 0.64tw = 0.32tw = 0.32
Cross-section, to scaledimensions in inches

Dimensions

Depthd
14in
Flange widthbf
6in
Web thicknesstw
0.32in
Flange thicknesstf
0.64in
Root radiusr
0.45in

Mass and area

Mass per lengthm
13.86lb/ft
Cross-sectional areaA
11.84in²
Published area (standard)A pub.
11.8in²
Outside perimeterP
50.97in

Strong axis x–x

Moment of inertiaIx
401.3in⁴
Elastic section modulusSx
57.32in³
Plastic section modulusZx
64.79in³
Radius of gyrationrx
5.822in

Weak axis y–y

Moment of inertiaIy
44.75in⁴
Elastic section modulusSy
11.2in³
Plastic section modulusZy
19.93in³
Radius of gyrationry
1.944in

Torsion and stability

Torsional constantJ
1.164in⁴

Centers

Centroidx̄
2.004in

Equivalents in other standards