L – angles

L76x51x6.4

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 = 50.8t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
50.8mm
Widthb
76.2mm
Thicknesst
6.35mm
Distance k (design)kdes
14.3mm
Distance k (detailing)kdet
14.3mm

Mass and area

Mass per lengthm
6.1kg/m
Cross-sectional areaA
774mm²

Strong axis x–x

Moment of inertiaIx
0.45410⁶ mm⁴
Elastic section modulusSx
8.8710³ mm³
Plastic section modulusZx
15.910³ mm³
Radius of gyrationrx
24.2mm

Weak axis y–y

Moment of inertiaIy
0.16210⁶ mm⁴
Elastic section modulusSy
4.2310³ mm³
Plastic section modulusZy
7.5910³ mm³
Radius of gyrationry
14.5mm

Principal axes

Moment of inertia, minor principal axisIz
0.092810⁶ mm⁴
Section modulus, minor principal axisSz
3.5110³ mm³
Radius of gyration, minor principal axisrz
10.9mm
Tangent of principal axis angletan α
0.437

Torsion and stability

Torsional constantJ
11.210³ mm⁴
Warping constantCw
0.0035410⁹ mm⁶
Polar radius (shear center)r̄o
36.8mm

Centers

Centroidx̄
12.4mm
Centroidȳ
24.9mm
Plastic neutral axisxp
5.08mm
Plastic neutral axisyp
15.2mm

Slenderness ratios

Wall slendernessb/t
12

Equivalents in other standards