L – angles

L76x64x6.4

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 = 76.2d = 63.5t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
63.5mm
Widthb
76.2mm
Thicknesst
6.35mm
Distance k (design)kdes
15.9mm
Distance k (detailing)kdet
15.9mm

Mass and area

Mass per lengthm
6.7kg/m
Cross-sectional areaA
852mm²

Strong axis x–x

Moment of inertiaIx
0.48310⁶ mm⁴
Elastic section modulusSx
9.0910³ mm³
Plastic section modulusZx
16.410³ mm³
Radius of gyrationrx
23.9mm

Weak axis y–y

Moment of inertiaIy
0.30610⁶ mm⁴
Elastic section modulusSy
6.5110³ mm³
Plastic section modulusZy
11.610³ mm³
Radius of gyrationry
18.9mm

Principal axes

Moment of inertia, minor principal axisIz
0.14810⁶ mm⁴
Section modulus, minor principal axisSz
5.3610³ mm³
Radius of gyration, minor principal axisrz
13.2mm
Tangent of principal axis angletan α
0.683

Torsion and stability

Torsional constantJ
12.310³ mm⁴
Warping constantCw
0.0043210⁹ mm⁶
Polar radius (shear center)r̄o
38.6mm

Centers

Centroidx̄
16.6mm
Centroidȳ
22.9mm
Plastic neutral axisxp
5.59mm
Plastic neutral axisyp
9.14mm

Slenderness ratios

Wall slendernessb/t
12

Equivalents in other standards