MC – miscellaneous channels

MC200x33.9

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 = 88.9d = 203tf = 13.3tf = 13.3tw = 10.8tw = 10.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203mm
Flange widthbf
88.9mm
Web thicknesstw
10.8mm
Flange thicknesstf
13.3mm
Distance k (design)kdes
30.2mm
Distance k (detailing)kdet
30.2mm
Web clear depthT
143mm
Distance between flange centroidsho
190mm

Mass and area

Mass per lengthm
33.9kg/m
Cross-sectional areaA
4,320mm²

Strong axis x–x

Moment of inertiaIx
26.610⁶ mm⁴
Elastic section modulusSx
26110³ mm³
Plastic section modulusZx
31310³ mm³
Radius of gyrationrx
78.5mm

Weak axis y–y

Moment of inertiaIy
2.9210⁶ mm⁴
Elastic section modulusSy
4610³ mm³
Plastic section modulusZy
8810³ mm³
Radius of gyrationry
25.9mm

Torsion and stability

Torsional constantJ
23810³ mm⁴
Warping constantCw
20.210⁹ mm⁶
Effective radius of gyrationrts
30.5mm
Polar radius (shear center)r̄o
97.5mm
Flexural constantH
0.715
Shear centereo
26.4mm

Centers

Centroidx̄
25.7mm
Plastic neutral axisxp
10.6mm

Slenderness ratios

Web slendernessh/tw
13
Wall slendernessb/t
6.67

Equivalents in other standards