L – angles

L203x203x15.9

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 = 15.9t = 15.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203mm
Widthb
203mm
Thicknesst
15.9mm
Distance k (design)kdes
31.8mm
Distance k (detailing)kdet
31.8mm

Mass and area

Mass per lengthm
48.7kg/m
Cross-sectional areaA
6,250mm²

Strong axis x–x

Moment of inertiaIx
24.810⁶ mm⁴
Elastic section modulusSx
16910³ mm³
Plastic section modulusZx
30510³ mm³
Radius of gyrationrx
63mm

Weak axis y–y

Moment of inertiaIy
24.810⁶ mm⁴
Elastic section modulusSy
16910³ mm³
Plastic section modulusZy
30510³ mm³
Radius of gyrationry
63mm

Principal axes

Moment of inertia, minor principal axisIz
10.110⁶ mm⁴
Section modulus, minor principal axisSz
12710³ mm³
Radius of gyration, minor principal axisrz
40.1mm
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
54110³ mm⁴
Warping constantCw
1.6510⁹ mm⁶
Polar radius (shear center)r̄o
112mm
Flexural constantH
0.63

Centers

Centroidx̄
56.1mm
Centroidȳ
56.1mm
Plastic neutral axisxp
15.4mm
Plastic neutral axisyp
15.4mm

Slenderness ratios

Wall slendernessb/t
12.8

Equivalents in other standards