L – angles

L76x51x12.7

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 = 50.8t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
50.8mm
Widthb
76.2mm
Thicknesst
12.7mm
Distance k (design)kdes
20.7mm
Distance k (detailing)kdet
20.6mm

Mass and area

Mass per lengthm
11.5kg/m
Cross-sectional areaA
1,460mm²

Strong axis x–x

Moment of inertiaIx
0.79910⁶ mm⁴
Elastic section modulusSx
16.410³ mm³
Plastic section modulusZx
29.210³ mm³
Radius of gyrationrx
23.4mm

Weak axis y–y

Moment of inertiaIy
0.27810⁶ mm⁴
Elastic section modulusSy
7.710³ mm³
Plastic section modulusZy
14.510³ mm³
Radius of gyrationry
13.8mm

Principal axes

Moment of inertia, minor principal axisIz
0.1710⁶ mm⁴
Section modulus, minor principal axisSz
6.7410³ mm³
Radius of gyration, minor principal axisrz
10.8mm
Tangent of principal axis angletan α
0.413

Torsion and stability

Torsional constantJ
79.910³ mm⁴
Warping constantCw
0.024410⁹ mm⁶
Polar radius (shear center)r̄o
35.3mm

Centers

Centroidx̄
14.7mm
Centroidȳ
27.4mm
Plastic neutral axisxp
9.58mm
Plastic neutral axisyp
18.8mm

Slenderness ratios

Wall slendernessb/t
6

Equivalents in other standards