C – standard channels

C100x8

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).
xybf = 40.1d = 102tf = 7.52tf = 7.52tw = 4.67tw = 4.67
Cross-section, to scaledimensions in mm

Dimensions

Depthd
102mm
Flange widthbf
40.1mm
Web thicknesstw
4.67mm
Flange thicknesstf
7.52mm
Distance k (design)kdes
19.1mm
Distance k (detailing)kdet
19.1mm
Web clear depthT
63.5mm
Distance between flange centroidsho
94mm

Mass and area

Mass per lengthm
8kg/m
Cross-sectional areaA
1,020mm²

Strong axis x–x

Moment of inertiaIx
1.610⁶ mm⁴
Elastic section modulusSx
31.510³ mm³
Plastic section modulusZx
37.510³ mm³
Radius of gyrationrx
39.6mm

Weak axis y–y

Moment of inertiaIy
0.1310⁶ mm⁴
Elastic section modulusSy
4.5410³ mm³
Plastic section modulusZy
9.2610³ mm³
Radius of gyrationry
11.3mm

Torsion and stability

Torsional constantJ
16.610³ mm⁴
Warping constantCw
0.24710⁹ mm⁶
Effective radius of gyrationrts
13.4mm
Polar radius (shear center)r̄o
47.8mm
Flexural constantH
0.742
Shear centereo
12.7mm

Centers

Centroidx̄
11.6mm
Plastic neutral axisxp
5.87mm

Slenderness ratios

Web slendernessh/tw
14.7
Wall slendernessb/t
5.34

Equivalents in other standards