L – angles

L203x102x19

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 = 203d = 102t = 19.1t = 19.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
102mm
Widthb
203mm
Thicknesst
19.1mm
Distance k (design)kdes
31.8mm
Distance k (detailing)kdet
31.8mm

Mass and area

Mass per lengthm
42.5kg/m
Cross-sectional areaA
5,480mm²

Strong axis x–x

Moment of inertiaIx
22.910⁶ mm⁴
Elastic section modulusSx
17910³ mm³
Plastic section modulusZx
31010³ mm³
Radius of gyrationrx
64.8mm

Weak axis y–y

Moment of inertiaIy
3.910⁶ mm⁴
Elastic section modulusSy
50.310³ mm³
Plastic section modulusZy
95.410³ mm³
Radius of gyrationry
26.7mm

Principal axes

Moment of inertia, minor principal axisIz
2.5610⁶ mm⁴
Section modulus, minor principal axisSz
43.410³ mm³
Radius of gyration, minor principal axisrz
21.6mm
Tangent of principal axis angletan α
0.257

Torsion and stability

Torsional constantJ
67010³ mm⁴
Warping constantCw
1.5410⁹ mm⁶
Polar radius (shear center)r̄o
96.5mm

Centers

Centroidx̄
24.1mm
Centroidȳ
74.7mm
Plastic neutral axisxp
13.5mm
Plastic neutral axisyp
59.4mm

Slenderness ratios

Wall slendernessb/t
10.7

Equivalents in other standards