L – angles

L127x89x7.9

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 = 88.9t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
88.9mm
Widthb
127mm
Thicknesst
7.94mm
Distance k (design)kdes
19.1mm
Distance k (detailing)kdet
19.1mm

Mass and area

Mass per lengthm
12.9kg/m
Cross-sectional areaA
1,650mm²

Strong axis x–x

Moment of inertiaIx
2.7410⁶ mm⁴
Elastic section modulusSx
31.510³ mm³
Plastic section modulusZx
56.510³ mm³
Radius of gyrationrx
40.6mm

Weak axis y–y

Moment of inertiaIy
1.1210⁶ mm⁴
Elastic section modulusSy
16.610³ mm³
Plastic section modulusZy
2910³ mm³
Radius of gyrationry
25.9mm

Principal axes

Moment of inertia, minor principal axisIz
0.61210⁶ mm⁴
Section modulus, minor principal axisSz
13.610³ mm³
Radius of gyration, minor principal axisrz
19.3mm
Tangent of principal axis angletan α
0.489

Torsion and stability

Torsional constantJ
36.810³ mm⁴
Warping constantCw
0.034410⁹ mm⁶
Polar radius (shear center)r̄o
62.7mm

Centers

Centroidx̄
21.1mm
Centroidȳ
39.9mm
Plastic neutral axisxp
6.5mm
Plastic neutral axisyp
23mm

Slenderness ratios

Wall slendernessb/t
16

Equivalents in other standards