L – angles

L127x89x19

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 = 19.1t = 19.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
88.9mm
Widthb
127mm
Thicknesst
19.1mm
Distance k (design)kdes
30.2mm
Distance k (detailing)kdet
30.2mm

Mass and area

Mass per lengthm
29.3kg/m
Cross-sectional areaA
3,770mm²

Strong axis x–x

Moment of inertiaIx
5.7910⁶ mm⁴
Elastic section modulusSx
69.810³ mm³
Plastic section modulusZx
12510³ mm³
Radius of gyrationrx
39.4mm

Weak axis y–y

Moment of inertiaIy
2.310⁶ mm⁴
Elastic section modulusSy
36.110³ mm³
Plastic section modulusZy
66.710³ mm³
Radius of gyrationry
24.7mm

Principal axes

Moment of inertia, minor principal axisIz
1.3410⁶ mm⁴
Section modulus, minor principal axisSz
31.110³ mm³
Radius of gyration, minor principal axisrz
18.9mm
Tangent of principal axis angletan α
0.464

Torsion and stability

Torsional constantJ
45410³ mm⁴
Warping constantCw
0.40810⁹ mm⁶
Polar radius (shear center)r̄o
59.9mm

Centers

Centroidx̄
25.2mm
Centroidȳ
44.2mm
Plastic neutral axisxp
14.9mm
Plastic neutral axisyp
27.9mm

Slenderness ratios

Wall slendernessb/t
6.67

Equivalents in other standards