L – angles

L64x64x6.4

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

Dimensions

Depthd
63.5mm
Widthb
63.5mm
Thicknesst
6.35mm
Distance k (design)kdes
12.7mm
Distance k (detailing)kdet
12.7mm

Mass and area

Mass per lengthm
6.1kg/m
Cross-sectional areaA
768mm²

Strong axis x–x

Moment of inertiaIx
0.28810⁶ mm⁴
Elastic section modulusSx
6.3410³ mm³
Plastic section modulusZx
11.410³ mm³
Radius of gyrationrx
19.4mm

Weak axis y–y

Moment of inertiaIy
0.28810⁶ mm⁴
Elastic section modulusSy
6.3410³ mm³
Plastic section modulusZy
11.410³ mm³
Radius of gyrationry
19.4mm

Principal axes

Moment of inertia, minor principal axisIz
0.11510⁶ mm⁴
Section modulus, minor principal axisSz
4.4910³ mm³
Radius of gyration, minor principal axisrz
12.2mm
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
10.910³ mm⁴
Warping constantCw
0.0031210⁹ mm⁶
Polar radius (shear center)r̄o
34.5mm
Flexural constantH
0.63

Centers

Centroidx̄
18.1mm
Centroidȳ
18.1mm
Plastic neutral axisxp
6.05mm
Plastic neutral axisyp
6.05mm

Slenderness ratios

Wall slendernessb/t
10

Equivalents in other standards