L – angles

L64x38x4.8

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 = 38.1t = 4.76t = 4.76
Cross-section, to scaledimensions in mm

Dimensions

Depthd
38.1mm
Widthb
63.5mm
Thicknesst
4.76mm
Distance k (design)kdes
11.1mm
Distance k (detailing)kdet
11.1mm

Mass and area

Mass per lengthm
3.6kg/m
Cross-sectional areaA
467mm²

Strong axis x–x

Moment of inertiaIx
0.19310⁶ mm⁴
Elastic section modulusSx
4.5910³ mm³
Plastic section modulusZx
8.1410³ mm³
Radius of gyrationrx
20.3mm

Weak axis y–y

Moment of inertiaIy
0.052410⁶ mm⁴
Elastic section modulusSy
1.810³ mm³
Plastic section modulusZy
3.2410³ mm³
Radius of gyrationry
10.6mm

Principal axes

Moment of inertia, minor principal axisIz
0.031410⁶ mm⁴
Section modulus, minor principal axisSz
1.510³ mm³
Radius of gyration, minor principal axisrz
8.23mm
Tangent of principal axis angletan α
0.36

Torsion and stability

Torsional constantJ
3.8310³ mm⁴
Warping constantCw
0.00082210⁹ mm⁶
Polar radius (shear center)r̄o
30.5mm

Centers

Centroidx̄
8.81mm
Centroidȳ
21.3mm
Plastic neutral axisxp
3.68mm
Plastic neutral axisyp
14.5mm

Slenderness ratios

Wall slendernessb/t
13.3

Equivalents in other standards