L – angles
L51x51x6.4
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
Dimensions
- Depthd
- 50.8mm
- Widthb
- 50.8mm
- Thicknesst
- 6.35mm
- Distance k (design)kdes
- 12.7mm
- Distance k (detailing)kdet
- 12.7mm
Mass and area
- Mass per lengthm
- 4.7kg/m
- Cross-sectional areaA
- 609mm²
Strong axis x–x
- Moment of inertiaIx
- 0.14410⁶ mm⁴
- Elastic section modulusSx
- 410³ mm³
- Plastic section modulusZx
- 7.2110³ mm³
- Radius of gyrationrx
- 15.4mm
Weak axis y–y
- Moment of inertiaIy
- 0.14410⁶ mm⁴
- Elastic section modulusSy
- 410³ mm³
- Plastic section modulusZy
- 7.2110³ mm³
- Radius of gyrationry
- 15.4mm
Principal axes
- Moment of inertia, minor principal axisIz
- 0.059110⁶ mm⁴
- Section modulus, minor principal axisSz
- 2.810³ mm³
- Radius of gyration, minor principal axisrz
- 9.83mm
- Tangent of principal axis angletan α
- 1
Torsion and stability
- Torsional constantJ
- 8.710³ mm⁴
- Warping constantCw
- 0.0015410⁹ mm⁶
- Polar radius (shear center)r̄o
- 27.4mm
- Flexural constantH
- 0.63
Centers
- Centroidx̄
- 14.9mm
- Centroidȳ
- 14.9mm
- Plastic neutral axisxp
- 5.99mm
- Plastic neutral axisyp
- 5.99mm
Slenderness ratios
- Wall slendernessb/t
- 8