L – angles

L203x203x28.6

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 = 28.6t = 28.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203mm
Widthb
203mm
Thicknesst
28.6mm
Distance k (design)kdes
44.5mm
Distance k (detailing)kdet
44.5mm

Mass and area

Mass per lengthm
84.7kg/m
Cross-sectional areaA
10,800mm²

Strong axis x–x

Moment of inertiaIx
40.810⁶ mm⁴
Elastic section modulusSx
28710³ mm³
Plastic section modulusZx
51810³ mm³
Radius of gyrationrx
61.2mm

Weak axis y–y

Moment of inertiaIy
40.810⁶ mm⁴
Elastic section modulusSy
28710³ mm³
Plastic section modulusZy
51810³ mm³
Radius of gyrationry
61.2mm

Principal axes

Moment of inertia, minor principal axisIz
16.910⁶ mm⁴
Section modulus, minor principal axisSz
19710³ mm³
Radius of gyration, minor principal axisrz
39.6mm
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
2,97010³ mm⁴
Warping constantCw
8.7310⁹ mm⁶
Polar radius (shear center)r̄o
109mm
Flexural constantH
0.63

Centers

Centroidx̄
61mm
Centroidȳ
61mm
Plastic neutral axisxp
26.7mm
Plastic neutral axisyp
26.7mm

Slenderness ratios

Wall slendernessb/t
7.08

Equivalents in other standards