C – standard channels

C130x10.4

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).
xybf = 44.5d = 127tf = 8.13tf = 8.13tw = 4.83tw = 4.83
Cross-section, to scaledimensions in mm

Dimensions

Depthd
127mm
Flange widthbf
44.5mm
Web thicknesstw
4.83mm
Flange thicknesstf
8.13mm
Distance k (design)kdes
19.1mm
Distance k (detailing)kdet
19.1mm
Web clear depthT
88.9mm
Distance between flange centroidsho
119mm

Mass and area

Mass per lengthm
10.4kg/m
Cross-sectional areaA
1,270mm²

Strong axis x–x

Moment of inertiaIx
3.1110⁶ mm⁴
Elastic section modulusSx
4910³ mm³
Plastic section modulusZx
58.210³ mm³
Radius of gyrationrx
49.5mm

Weak axis y–y

Moment of inertiaIy
0.19610⁶ mm⁴
Elastic section modulusSy
6.110³ mm³
Plastic section modulusZy
12.410³ mm³
Radius of gyrationry
12.4mm

Torsion and stability

Torsional constantJ
22.910³ mm⁴
Warping constantCw
0.59610⁹ mm⁶
Effective radius of gyrationrts
14.8mm
Polar radius (shear center)r̄o
57.4mm
Flexural constantH
0.79
Shear centereo
14mm

Centers

Centroidx̄
12.3mm
Plastic neutral axisxp
5.46mm

Slenderness ratios

Web slendernessh/tw
19.1
Wall slendernessb/t
5.47

Equivalents in other standards