L – angles

L127x89x12.7

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 = 88.9t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
88.9mm
Widthb
127mm
Thicknesst
12.7mm
Distance k (design)kdes
23.8mm
Distance k (detailing)kdet
23.8mm

Mass and area

Mass per lengthm
20.2kg/m
Cross-sectional areaA
2,580mm²

Strong axis x–x

Moment of inertiaIx
4.1610⁶ mm⁴
Elastic section modulusSx
48.710³ mm³
Plastic section modulusZx
87.310³ mm³
Radius of gyrationrx
40.1mm

Weak axis y–y

Moment of inertiaIy
1.6710⁶ mm⁴
Elastic section modulusSy
25.410³ mm³
Plastic section modulusZy
45.710³ mm³
Radius of gyrationry
25.4mm

Principal axes

Moment of inertia, minor principal axisIz
0.94110⁶ mm⁴
Section modulus, minor principal axisSz
21.110³ mm³
Radius of gyration, minor principal axisrz
19.1mm
Tangent of principal axis angletan α
0.479

Torsion and stability

Torsional constantJ
14310³ mm⁴
Warping constantCw
0.13210⁹ mm⁶
Polar radius (shear center)r̄o
61.5mm

Centers

Centroidx̄
22.9mm
Centroidȳ
41.9mm
Plastic neutral axisxp
10.2mm
Plastic neutral axisyp
25.4mm

Slenderness ratios

Wall slendernessb/t
10

Equivalents in other standards