C – standard channels

C230x22

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 = 63.2d = 229tf = 10.5tf = 10.5tw = 7.24tw = 7.24
Cross-section, to scaledimensions in mm

Dimensions

Depthd
229mm
Flange widthbf
63.2mm
Web thicknesstw
7.24mm
Flange thicknesstf
10.5mm
Distance k (design)kdes
25.4mm
Distance k (detailing)kdet
25.4mm
Web clear depthT
178mm
Distance between flange centroidsho
218mm

Mass and area

Mass per lengthm
22kg/m
Cross-sectional areaA
2,840mm²

Strong axis x–x

Moment of inertiaIx
21.210⁶ mm⁴
Elastic section modulusSx
18510³ mm³
Plastic section modulusZx
22310³ mm³
Radius of gyrationrx
86.4mm

Weak axis y–y

Moment of inertiaIy
0.79510⁶ mm⁴
Elastic section modulusSy
16.610³ mm³
Plastic section modulusZy
33.410³ mm³
Radius of gyrationry
16.7mm

Torsion and stability

Torsional constantJ
86.610³ mm⁴
Warping constantCw
8.3210⁹ mm⁶
Effective radius of gyrationrts
21mm
Polar radius (shear center)r̄o
93.7mm
Flexural constantH
0.882
Shear centereo
17.3mm

Centers

Centroidx̄
14.9mm
Plastic neutral axisxp
6.22mm

Slenderness ratios

Web slendernessh/tw
25.4
Wall slendernessb/t
6.03

Equivalents in other standards