L – angles

L127x127x12.7

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 = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
127mm
Widthb
127mm
Thicknesst
12.7mm
Distance k (design)kdes
25.4mm
Distance k (detailing)kdet
25.4mm

Mass and area

Mass per lengthm
24.1kg/m
Cross-sectional areaA
3,090mm²

Strong axis x–x

Moment of inertiaIx
4.710⁶ mm⁴
Elastic section modulusSx
51.610³ mm³
Plastic section modulusZx
92.810³ mm³
Radius of gyrationrx
38.9mm

Weak axis y–y

Moment of inertiaIy
4.710⁶ mm⁴
Elastic section modulusSy
51.610³ mm³
Plastic section modulusZy
92.810³ mm³
Radius of gyrationry
38.9mm

Principal axes

Moment of inertia, minor principal axisIz
1.9310⁶ mm⁴
Section modulus, minor principal axisSz
37.510³ mm³
Radius of gyration, minor principal axisrz
24.9mm
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
17410³ mm⁴
Warping constantCw
0.210⁹ mm⁶
Polar radius (shear center)r̄o
69.3mm
Flexural constantH
0.63

Centers

Centroidx̄
36.1mm
Centroidȳ
36.1mm
Plastic neutral axisxp
12.2mm
Plastic neutral axisyp
12.2mm

Slenderness ratios

Wall slendernessb/t
10

Equivalents in other standards