L – angles

L203x203x19

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

Dimensions

Depthd
203mm
Widthb
203mm
Thicknesst
19.1mm
Distance k (design)kdes
35.1mm
Distance k (detailing)kdet
34.9mm

Mass and area

Mass per lengthm
57.9kg/m
Cross-sectional areaA
7,420mm²

Strong axis x–x

Moment of inertiaIx
29.110⁶ mm⁴
Elastic section modulusSx
20010³ mm³
Plastic section modulusZx
36110³ mm³
Radius of gyrationrx
62.5mm

Weak axis y–y

Moment of inertiaIy
29.110⁶ mm⁴
Elastic section modulusSy
20010³ mm³
Plastic section modulusZy
36110³ mm³
Radius of gyrationry
62.5mm

Principal axes

Moment of inertia, minor principal axisIz
11.910⁶ mm⁴
Section modulus, minor principal axisSz
14610³ mm³
Radius of gyration, minor principal axisrz
39.9mm
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
92010³ mm⁴
Warping constantCw
2.7910⁹ mm⁶
Polar radius (shear center)r̄o
112mm
Flexural constantH
0.63

Centers

Centroidx̄
57.4mm
Centroidȳ
57.4mm
Plastic neutral axisxp
18.3mm
Plastic neutral axisyp
18.3mm

Slenderness ratios

Wall slendernessb/t
10.7

Equivalents in other standards