L – angles

L178x102x9.5

Standard: ASTM A6/A6M (désignations métriques)Source: SI values from the AISC v16.0 database (ASTM A6 shapes common to Canada)
ASTM A6 rolled shapes are the same in Canada; the CISC list may differ slightly (availability).
xyb = 178d = 102t = 9.53t = 9.53
Cross-section, to scaledimensions in mm

Dimensions

Depthd
102mm
Widthb
178mm
Thicknesst
9.53mm
Distance k (design)kdes
22.2mm
Distance k (detailing)kdet
22.2mm

Mass and area

Mass per lengthm
20.2kg/m
Cross-sectional areaA
2,580mm²

Strong axis x–x

Moment of inertiaIx
8.5310⁶ mm⁴
Elastic section modulusSx
72.410³ mm³
Plastic section modulusZx
12810³ mm³
Radius of gyrationrx
57.7mm

Weak axis y–y

Moment of inertiaIy
2.1110⁶ mm⁴
Elastic section modulusSy
26.410³ mm³
Plastic section modulusZy
46.510³ mm³
Radius of gyrationry
28.4mm

Principal axes

Moment of inertia, minor principal axisIz
1.2710⁶ mm⁴
Section modulus, minor principal axisSz
2210³ mm³
Radius of gyration, minor principal axisrz
22.2mm
Tangent of principal axis angletan α
0.339

Torsion and stability

Torsional constantJ
82.410³ mm⁴
Warping constantCw
0.14610⁹ mm⁶
Polar radius (shear center)r̄o
86.4mm

Centers

Centroidx̄
21.9mm
Centroidȳ
59.7mm
Plastic neutral axisxp
7.26mm
Plastic neutral axisyp
42.4mm

Slenderness ratios

Wall slendernessb/t
18.7

Equivalents in other standards