AA standard I-beams

I 10 x 8.65

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 = 10tf = 0.41tf = 0.41tw = 0.25tw = 0.25
Cross-section, to scaledimensions in inches

Dimensions

Depthd
10in
Flange widthbf
6in
Web thicknesstw
0.25in
Flange thicknesstf
0.41in
Root radiusr
0.4in

Mass and area

Mass per lengthm
8.606lb/ft
Cross-sectional areaA
7.352in²
Published area (standard)A pub.
7.352in²
Outside perimeterP
42.81in

Strong axis x–x

Moment of inertiaIx
132.1in⁴
Elastic section modulusSx
26.42in³
Plastic section modulusZx
29.48in³
Radius of gyrationrx
4.239in

Weak axis y–y

Moment of inertiaIy
14.78in⁴
Elastic section modulusSy
4.926in³
Plastic section modulusZy
7.553in³
Radius of gyrationry
1.418in

Torsion and stability

Torsional constantJ
0.3606in⁴
Warping constantCw
339.4in⁶

Equivalents in other standards