L – angles

L64x64x12.7

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 = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
63.5mm
Widthb
63.5mm
Thicknesst
12.7mm
Distance k (design)kdes
19.1mm
Distance k (detailing)kdet
19.1mm

Mass and area

Mass per lengthm
11.4kg/m
Cross-sectional areaA
1,460mm²

Strong axis x–x

Moment of inertiaIx
0.50810⁶ mm⁴
Elastic section modulusSx
11.710³ mm³
Plastic section modulusZx
21.110³ mm³
Radius of gyrationrx
18.7mm

Weak axis y–y

Moment of inertiaIy
0.50810⁶ mm⁴
Elastic section modulusSy
11.710³ mm³
Plastic section modulusZy
21.110³ mm³
Radius of gyrationry
18.7mm

Principal axes

Moment of inertia, minor principal axisIz
0.21910⁶ mm⁴
Section modulus, minor principal axisSz
7.5210³ mm³
Radius of gyration, minor principal axisrz
12.2mm
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
78.310³ mm⁴
Warping constantCw
0.021210⁹ mm⁶
Polar radius (shear center)r̄o
33mm
Flexural constantH
0.64

Centers

Centroidx̄
20.4mm
Centroidȳ
20.4mm
Plastic neutral axisxp
11.5mm
Plastic neutral axisyp
11.5mm

Slenderness ratios

Wall slendernessb/t
5

Equivalents in other standards