L – angles

L102x89x6.4

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 = 102d = 88.9t = 6.35t = 6.35
Cross-section, to scaledimensions in mm

Dimensions

Depthd
88.9mm
Widthb
102mm
Thicknesst
6.35mm
Distance k (design)kdes
15.9mm
Distance k (detailing)kdet
15.9mm

Mass and area

Mass per lengthm
9.2kg/m
Cross-sectional areaA
1,170mm²

Strong axis x–x

Moment of inertiaIx
1.210⁶ mm⁴
Elastic section modulusSx
16.610³ mm³
Plastic section modulusZx
29.710³ mm³
Radius of gyrationrx
32mm

Weak axis y–y

Moment of inertiaIy
0.86210⁶ mm⁴
Elastic section modulusSy
1310³ mm³
Plastic section modulusZy
22.910³ mm³
Radius of gyrationry
27.2mm

Principal axes

Moment of inertia, minor principal axisIz
0.39710⁶ mm⁴
Section modulus, minor principal axisSz
10.710³ mm³
Radius of gyration, minor principal axisrz
18.4mm
Tangent of principal axis angletan α
0.759

Torsion and stability

Torsional constantJ
17.110³ mm⁴
Warping constantCw
0.011310⁹ mm⁶
Polar radius (shear center)r̄o
53.1mm

Centers

Centroidx̄
22.8mm
Centroidȳ
29mm
Plastic neutral axisxp
5.79mm
Plastic neutral axisyp
9.14mm

Slenderness ratios

Wall slendernessb/t
16

Equivalents in other standards