L – angles

L89x64x6.4

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 = 88.9d = 63.5t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
63.5mm
Widthb
88.9mm
Thicknesst
6.35mm
Distance k (design)kdes
15.9mm
Distance k (detailing)kdet
15.9mm

Mass and area

Mass per lengthm
7.3kg/m
Cross-sectional areaA
935mm²

Strong axis x–x

Moment of inertiaIx
0.75310⁶ mm⁴
Elastic section modulusSx
12.310³ mm³
Plastic section modulusZx
22.310³ mm³
Radius of gyrationrx
28.4mm

Weak axis y–y

Moment of inertiaIy
0.32310⁶ mm⁴
Elastic section modulusSy
6.7210³ mm³
Plastic section modulusZy
11.910³ mm³
Radius of gyrationry
18.6mm

Principal axes

Moment of inertia, minor principal axisIz
0.17710⁶ mm⁴
Section modulus, minor principal axisSz
5.5710³ mm³
Radius of gyration, minor principal axisrz
13.7mm
Tangent of principal axis angletan α
0.504

Torsion and stability

Torsional constantJ
13.410³ mm⁴
Warping constantCw
0.0060410⁹ mm⁶
Polar radius (shear center)r̄o
43.7mm

Centers

Centroidx̄
15.4mm
Centroidȳ
27.9mm
Plastic neutral axisxp
5.26mm
Plastic neutral axisyp
15.2mm

Slenderness ratios

Wall slendernessb/t
14

Equivalents in other standards