L – angles

L127x76x12.7

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 = 127d = 76.2t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
76.2mm
Widthb
127mm
Thicknesst
12.7mm
Distance k (design)kdes
23.8mm
Distance k (detailing)kdet
23.8mm

Mass and area

Mass per lengthm
19kg/m
Cross-sectional areaA
2,420mm²

Strong axis x–x

Moment of inertiaIx
3.9310⁶ mm⁴
Elastic section modulusSx
47.410³ mm³
Plastic section modulusZx
83.910³ mm³
Radius of gyrationrx
40.1mm

Weak axis y–y

Moment of inertiaIy
1.0610⁶ mm⁴
Elastic section modulusSy
18.510³ mm³
Plastic section modulusZy
34.110³ mm³
Radius of gyrationry
20.9mm

Principal axes

Moment of inertia, minor principal axisIz
0.64510⁶ mm⁴
Section modulus, minor principal axisSz
15.610³ mm³
Radius of gyration, minor principal axisrz
16.3mm
Tangent of principal axis angletan α
0.357

Torsion and stability

Torsional constantJ
13410³ mm⁴
Warping constantCw
0.11910⁹ mm⁶
Polar radius (shear center)r̄o
60.5mm

Centers

Centroidx̄
18.9mm
Centroidȳ
44.2mm
Plastic neutral axisxp
9.53mm
Plastic neutral axisyp
31.8mm

Slenderness ratios

Wall slendernessb/t
10

Equivalents in other standards