L – angles

L102x102x12.7

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

Dimensions

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

Mass and area

Mass per lengthm
19kg/m
Cross-sectional areaA
2,420mm²

Strong axis x–x

Moment of inertiaIx
2.310⁶ mm⁴
Elastic section modulusSx
32.110³ mm³
Plastic section modulusZx
57.410³ mm³
Radius of gyrationrx
30.7mm

Weak axis y–y

Moment of inertiaIy
2.310⁶ mm⁴
Elastic section modulusSy
32.110³ mm³
Plastic section modulusZy
57.410³ mm³
Radius of gyrationry
30.7mm

Principal axes

Moment of inertia, minor principal axisIz
0.93710⁶ mm⁴
Section modulus, minor principal axisSz
22.110³ mm³
Radius of gyration, minor principal axisrz
19.7mm
Tangent of principal axis angletan α
1

Torsion and stability

Torsional constantJ
13410³ mm⁴
Warping constantCw
0.098310⁹ mm⁶
Polar radius (shear center)r̄o
54.9mm
Flexural constantH
0.63

Centers

Centroidx̄
30mm
Centroidȳ
30mm
Plastic neutral axisxp
11.9mm
Plastic neutral axisyp
11.9mm

Slenderness ratios

Wall slendernessb/t
8

Equivalents in other standards