L – angles

L127x89x6.4

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 = 127d = 88.9t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
88.9mm
Widthb
127mm
Thicknesst
6.35mm
Distance k (design)kdes
17.5mm
Distance k (detailing)kdet
17.5mm

Mass and area

Mass per lengthm
10.4kg/m
Cross-sectional areaA
1,340mm²

Strong axis x–x

Moment of inertiaIx
2.2310⁶ mm⁴
Elastic section modulusSx
25.410³ mm³
Plastic section modulusZx
45.610³ mm³
Radius of gyrationrx
40.9mm

Weak axis y–y

Moment of inertiaIy
0.91610⁶ mm⁴
Elastic section modulusSy
13.410³ mm³
Plastic section modulusZy
23.310³ mm³
Radius of gyrationry
26.2mm

Principal axes

Moment of inertia, minor principal axisIz
0.49510⁶ mm⁴
Section modulus, minor principal axisSz
10.910³ mm³
Radius of gyration, minor principal axisrz
19.3mm
Tangent of principal axis angletan α
0.491

Torsion and stability

Torsional constantJ
19.310³ mm⁴
Warping constantCw
0.01810⁹ mm⁶
Polar radius (shear center)r̄o
63mm

Centers

Centroidx̄
20.4mm
Centroidȳ
39.4mm
Plastic neutral axisxp
5.26mm
Plastic neutral axisyp
21.8mm

Slenderness ratios

Wall slendernessb/t
20

Equivalents in other standards