L – angles

L127x76x6.4

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 = 76.2t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
76.2mm
Widthb
127mm
Thicknesst
6.35mm
Distance k (design)kdes
17.5mm
Distance k (detailing)kdet
17.5mm

Mass and area

Mass per lengthm
9.8kg/m
Cross-sectional areaA
1,250mm²

Strong axis x–x

Moment of inertiaIx
2.1210⁶ mm⁴
Elastic section modulusSx
24.710³ mm³
Plastic section modulusZx
43.910³ mm³
Radius of gyrationrx
41.1mm

Weak axis y–y

Moment of inertiaIy
0.58710⁶ mm⁴
Elastic section modulusSy
9.8310³ mm³
Plastic section modulusZy
17.210³ mm³
Radius of gyrationry
21.7mm

Principal axes

Moment of inertia, minor principal axisIz
0.34310⁶ mm⁴
Section modulus, minor principal axisSz
8.0510³ mm³
Radius of gyration, minor principal axisrz
16.6mm
Tangent of principal axis angletan α
0.371

Torsion and stability

Torsional constantJ
18.210³ mm⁴
Warping constantCw
0.016310⁹ mm⁶
Polar radius (shear center)r̄o
61.7mm

Centers

Centroidx̄
16.5mm
Centroidȳ
41.7mm
Plastic neutral axisxp
4.93mm
Plastic neutral axisyp
28.4mm

Slenderness ratios

Wall slendernessb/t
20

Equivalents in other standards