L – angles

L127x127x19

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 = 127t = 19.1t = 19.1
Cross-section, to scaledimensions in mm

Dimensions

Depthd
127mm
Widthb
127mm
Thicknesst
19.1mm
Distance k (design)kdes
31.8mm
Distance k (detailing)kdet
31.8mm

Mass and area

Mass per lengthm
35.1kg/m
Cross-sectional areaA
4,500mm²

Strong axis x–x

Moment of inertiaIx
6.5310⁶ mm⁴
Elastic section modulusSx
74.110³ mm³
Plastic section modulusZx
13310³ mm³
Radius of gyrationrx
38.1mm

Weak axis y–y

Moment of inertiaIy
6.5310⁶ mm⁴
Elastic section modulusSy
74.110³ mm³
Plastic section modulusZy
13310³ mm³
Radius of gyrationry
38.1mm

Principal axes

Moment of inertia, minor principal axisIz
2.7310⁶ mm⁴
Section modulus, minor principal axisSz
50.510³ mm³
Radius of gyration, minor principal axisrz
24.7mm
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
55410³ mm⁴
Warping constantCw
0.62310⁹ mm⁶
Polar radius (shear center)r̄o
67.8mm
Flexural constantH
0.63

Centers

Centroidx̄
38.6mm
Centroidȳ
38.6mm
Plastic neutral axisxp
17.7mm
Plastic neutral axisyp
17.7mm

Slenderness ratios

Wall slendernessb/t
6.67

Equivalents in other standards