L – angles

L102x89x12.7

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 = 102d = 88.9t = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Depthd
88.9mm
Widthb
102mm
Thicknesst
12.7mm
Distance k (design)kdes
22.2mm
Distance k (detailing)kdet
22.2mm

Mass and area

Mass per lengthm
17.6kg/m
Cross-sectional areaA
2,260mm²

Strong axis x–x

Moment of inertiaIx
2.2110⁶ mm⁴
Elastic section modulusSx
31.510³ mm³
Plastic section modulusZx
56.710³ mm³
Radius of gyrationrx
31.2mm

Weak axis y–y

Moment of inertiaIy
1.5710⁶ mm⁴
Elastic section modulusSy
24.610³ mm³
Plastic section modulusZy
44.110³ mm³
Radius of gyrationry
26.4mm

Principal axes

Moment of inertia, minor principal axisIz
0.74510⁶ mm⁴
Section modulus, minor principal axisSz
19.210³ mm³
Radius of gyration, minor principal axisrz
18.2mm
Tangent of principal axis angletan α
0.75

Torsion and stability

Torsional constantJ
12510³ mm⁴
Warping constantCw
0.081110⁹ mm⁶
Polar radius (shear center)r̄o
51.6mm

Centers

Centroidx̄
25.2mm
Centroidȳ
31.5mm
Plastic neutral axisxp
11.1mm
Plastic neutral axisyp
12.7mm

Slenderness ratios

Wall slendernessb/t
8

Equivalents in other standards