L – angles

L127x127x7.9

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 = 127t = 7.94t = 7.94
Cross-section, to scaledimensions in mm

Dimensions

Depthd
127mm
Widthb
127mm
Thicknesst
7.94mm
Distance k (design)kdes
20.7mm
Distance k (detailing)kdet
20.6mm

Mass and area

Mass per lengthm
15.3kg/m
Cross-sectional areaA
1,980mm²

Strong axis x–x

Moment of inertiaIx
3.110⁶ mm⁴
Elastic section modulusSx
33.410³ mm³
Plastic section modulusZx
59.810³ mm³
Radius of gyrationrx
39.6mm

Weak axis y–y

Moment of inertiaIy
3.110⁶ mm⁴
Elastic section modulusSy
33.410³ mm³
Plastic section modulusZy
59.810³ mm³
Radius of gyrationry
39.6mm

Principal axes

Moment of inertia, minor principal axisIz
1.2510⁶ mm⁴
Section modulus, minor principal axisSz
25.910³ mm³
Radius of gyration, minor principal axisrz
25.1mm
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
4510³ mm⁴
Warping constantCw
0.051810⁹ mm⁶
Polar radius (shear center)r̄o
70.4mm
Flexural constantH
0.63

Centers

Centroidx̄
34.3mm
Centroidȳ
34.3mm
Plastic neutral axisxp
7.8mm
Plastic neutral axisyp
7.8mm

Slenderness ratios

Wall slendernessb/t
16

Equivalents in other standards