L – angles

L76x64x12.7

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 = 76.2d = 63.5t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
63.5mm
Widthb
76.2mm
Thicknesst
12.7mm
Distance k (design)kdes
22.2mm
Distance k (detailing)kdet
22.2mm

Mass and area

Mass per lengthm
12.6kg/m
Cross-sectional areaA
1,610mm²

Strong axis x–x

Moment of inertiaIx
0.86210⁶ mm⁴
Elastic section modulusSx
16.910³ mm³
Plastic section modulusZx
30.510³ mm³
Radius of gyrationrx
23.1mm

Weak axis y–y

Moment of inertiaIy
0.53710⁶ mm⁴
Elastic section modulusSy
12.110³ mm³
Plastic section modulusZy
2210³ mm³
Radius of gyrationry
18.2mm

Principal axes

Moment of inertia, minor principal axisIz
0.27710⁶ mm⁴
Section modulus, minor principal axisSz
9.3110³ mm³
Radius of gyration, minor principal axisrz
13.1mm
Tangent of principal axis angletan α
0.666

Torsion and stability

Torsional constantJ
88.710³ mm⁴
Warping constantCw
0.030110⁹ mm⁶
Polar radius (shear center)r̄o
37.1mm

Centers

Centroidx̄
18.9mm
Centroidȳ
25.3mm
Plastic neutral axisxp
10.6mm
Plastic neutral axisyp
12.7mm

Slenderness ratios

Wall slendernessb/t
6

Equivalents in other standards