MC – miscellaneous channels

MC200x12.6

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 = 47.5d = 203tf = 7.9tf = 7.9tw = 4.55tw = 4.55
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203mm
Flange widthbf
47.5mm
Web thicknesstw
4.55mm
Flange thicknesstf
7.9mm
Distance k (design)kdes
20.7mm
Distance k (detailing)kdet
20.6mm
Web clear depthT
162mm
Distance between flange centroidsho
195mm

Mass and area

Mass per lengthm
12.6kg/m
Cross-sectional areaA
1,610mm²

Strong axis x–x

Moment of inertiaIx
9.710⁶ mm⁴
Elastic section modulusSx
95.410³ mm³
Plastic section modulusZx
11410³ mm³
Radius of gyrationrx
77.5mm

Weak axis y–y

Moment of inertiaIy
0.2610⁶ mm⁴
Elastic section modulusSy
7.0610³ mm³
Plastic section modulusZy
14.310³ mm³
Radius of gyrationry
12.7mm

Torsion and stability

Torsional constantJ
24.410³ mm⁴
Warping constantCw
2.210⁹ mm⁶
Effective radius of gyrationrts
15.8mm
Polar radius (shear center)r̄o
82.3mm
Flexural constantH
0.91
Shear centereo
13.8mm

Centers

Centroidx̄
10.9mm
Plastic neutral axisxp
3.96mm

Slenderness ratios

Web slendernessh/tw
37.3
Wall slendernessb/t
6.01

Equivalents in other standards