AA standard channels

C 2 x 0.577

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 = 1d = 2tf = 0.13tf = 0.13tw = 0.13tw = 0.13
Cross-section, to scaledimensions in inches

Dimensions

Depthd
2in
Flange widthbf
1in
Web thicknesstw
0.13in
Flange thicknesstf
0.13in
Root radiusr
0.1in

Mass and area

Mass per lengthm
0.5741lb/ft
Cross-sectional areaA
0.4905in²
Published area (standard)A pub.
0.49in²
Outside perimeterP
7.654in

Strong axis x–x

Moment of inertiaIx
0.2878in⁴
Elastic section modulusSx
0.2878in³
Plastic section modulusZx
0.3451in³
Radius of gyrationrx
0.766in

Weak axis y–y

Moment of inertiaIy
0.04497in⁴
Elastic section modulusSy
0.0639in³
Plastic section modulusZy
0.1153in³
Radius of gyrationry
0.3028in

Torsion and stability

Torsional constantJ
0.002895in⁴

Centers

Centroidx̄
0.2963in

Equivalents in other standards