L – angles
L178x102x19
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
Dimensions
- Depthd
- 102mm
- Widthb
- 178mm
- Thicknesst
- 19.1mm
- Distance k (design)kdes
- 31.8mm
- Distance k (detailing)kdet
- 31.8mm
Mass and area
- Mass per lengthm
- 38.8kg/m
- Cross-sectional areaA
- 4,990mm²
Strong axis x–x
- Moment of inertiaIx
- 15.710⁶ mm⁴
- Elastic section modulusSx
- 13710³ mm³
- Plastic section modulusZx
- 24310³ mm³
- Radius of gyrationrx
- 56.1mm
Weak axis y–y
- Moment of inertiaIy
- 3.7510⁶ mm⁴
- Elastic section modulusSy
- 49.310³ mm³
- Plastic section modulusZy
- 91.810³ mm³
- Radius of gyrationry
- 27.4mm
Principal axes
- Moment of inertia, minor principal axisIz
- 2.3410⁶ mm⁴
- Section modulus, minor principal axisSz
- 42.110³ mm³
- Radius of gyration, minor principal axisrz
- 21.7mm
- Tangent of principal axis angletan α
- 0.324
Torsion and stability
- Torsional constantJ
- 61210³ mm⁴
- Warping constantCw
- 1.0710⁹ mm⁶
- Polar radius (shear center)r̄o
- 84.1mm
Centers
- Centroidx̄
- 25.4mm
- Centroidȳ
- 63.5mm
- Plastic neutral axisxp
- 14mm
- Plastic neutral axisyp
- 46.7mm
Slenderness ratios
- Wall slendernessb/t
- 9.33