L – angles
L64x51x7.9
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
Dimensions
- Depthd
- 50.8mm
- Widthb
- 63.5mm
- Thicknesst
- 7.94mm
- Distance k (design)kdes
- 14.3mm
- Distance k (detailing)kdet
- 14.3mm
Mass and area
- Mass per lengthm
- 6.7kg/m
- Cross-sectional areaA
- 852mm²
Strong axis x–x
- Moment of inertiaIx
- 0.32910⁶ mm⁴
- Elastic section modulusSx
- 7.6210³ mm³
- Plastic section modulusZx
- 13.710³ mm³
- Radius of gyrationrx
- 19.7mm
Weak axis y–y
- Moment of inertiaIy
- 0.18610⁶ mm⁴
- Elastic section modulusSy
- 5.0610³ mm³
- Plastic section modulusZy
- 9.1310³ mm³
- Radius of gyrationry
- 14.8mm
Principal axes
- Moment of inertia, minor principal axisIz
- 0.09710⁶ mm⁴
- Section modulus, minor principal axisSz
- 4.2610³ mm³
- Radius of gyration, minor principal axisrz
- 10.7mm
- Tangent of principal axis angletan α
- 0.618
Torsion and stability
- Torsional constantJ
- 18.510³ mm⁴
- Warping constantCw
- 0.0043510⁹ mm⁶
- Polar radius (shear center)r̄o
- 31.2mm
Centers
- Centroidx̄
- 14.1mm
- Centroidȳ
- 20.4mm
- Plastic neutral axisxp
- 6.71mm
- Plastic neutral axisyp
- 9.86mm
Slenderness ratios
- Wall slendernessb/t
- 7.99