C – standard channels

C130x13

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 = 48d = 127tf = 8.13tf = 8.13tw = 8.26tw = 8.26
Cross-section, to scaledimensions in mm

Dimensions

Depthd
127mm
Flange widthbf
48mm
Web thicknesstw
8.26mm
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
13kg/m
Cross-sectional areaA
1,700mm²

Strong axis x–x

Moment of inertiaIx
3.710⁶ mm⁴
Elastic section modulusSx
58.310³ mm³
Plastic section modulusZx
71.910³ mm³
Radius of gyrationrx
46.7mm

Weak axis y–y

Moment of inertiaIy
0.2610⁶ mm⁴
Elastic section modulusSy
7.2810³ mm³
Plastic section modulusZy
1510³ mm³
Radius of gyrationry
12.3mm

Torsion and stability

Torsional constantJ
45.410³ mm⁴
Warping constantCw
0.78710⁹ mm⁶
Effective radius of gyrationrts
15.6mm
Polar radius (shear center)r̄o
53.3mm
Flexural constantH
0.815
Shear centereo
10.8mm

Centers

Centroidx̄
12.1mm
Plastic neutral axisxp
6.71mm

Slenderness ratios

Web slendernessh/tw
11.1
Wall slendernessb/t
5.91

Equivalents in other standards