L – angles

L127x89x15.9

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 = 15.9t = 15.9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
88.9mm
Widthb
127mm
Thicknesst
15.9mm
Distance k (design)kdes
26.9mm
Distance k (detailing)kdet
27mm

Mass and area

Mass per lengthm
24.9kg/m
Cross-sectional areaA
3,180mm²

Strong axis x–x

Moment of inertiaIx
4.9910⁶ mm⁴
Elastic section modulusSx
59.510³ mm³
Plastic section modulusZx
10710³ mm³
Radius of gyrationrx
39.6mm

Weak axis y–y

Moment of inertiaIy
210⁶ mm⁴
Elastic section modulusSy
30.810³ mm³
Plastic section modulusZy
56.210³ mm³
Radius of gyrationry
25.1mm

Principal axes

Moment of inertia, minor principal axisIz
1.1410⁶ mm⁴
Section modulus, minor principal axisSz
26.210³ mm³
Radius of gyration, minor principal axisrz
18.9mm
Tangent of principal axis angletan α
0.472

Torsion and stability

Torsional constantJ
27110³ mm⁴
Warping constantCw
0.24710⁹ mm⁶
Polar radius (shear center)r̄o
60.7mm

Centers

Centroidx̄
24.1mm
Centroidȳ
42.9mm
Plastic neutral axisxp
12.5mm
Plastic neutral axisyp
26.9mm

Slenderness ratios

Wall slendernessb/t
8

Equivalents in other standards