L – angles

L127x76x7.9

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 = 127d = 76.2t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
76.2mm
Widthb
127mm
Thicknesst
7.94mm
Distance k (design)kdes
19.1mm
Distance k (detailing)kdet
19.1mm

Mass and area

Mass per lengthm
12.1kg/m
Cross-sectional areaA
1,550mm²

Strong axis x–x

Moment of inertiaIx
2.610⁶ mm⁴
Elastic section modulusSx
30.610³ mm³
Plastic section modulusZx
54.410³ mm³
Radius of gyrationrx
40.9mm

Weak axis y–y

Moment of inertiaIy
0.71610⁶ mm⁴
Elastic section modulusSy
12.110³ mm³
Plastic section modulusZy
21.510³ mm³
Radius of gyrationry
21.5mm

Principal axes

Moment of inertia, minor principal axisIz
0.4210⁶ mm⁴
Section modulus, minor principal axisSz
1010³ mm³
Radius of gyration, minor principal axisrz
16.5mm
Tangent of principal axis angletan α
0.368

Torsion and stability

Torsional constantJ
34.610³ mm⁴
Warping constantCw
0.031210⁹ mm⁶
Polar radius (shear center)r̄o
61.5mm

Centers

Centroidx̄
17.1mm
Centroidȳ
42.4mm
Plastic neutral axisxp
6.12mm
Plastic neutral axisyp
29mm

Slenderness ratios

Wall slendernessb/t
16

Equivalents in other standards