MC – miscellaneous channels

MC200x29.8

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 = 77d = 203tf = 12.7tf = 12.7tw = 10.2tw = 10.2
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203mm
Flange widthbf
77mm
Web thicknesstw
10.2mm
Flange thicknesstf
12.7mm
Distance k (design)kdes
28.7mm
Distance k (detailing)kdet
28.6mm
Web clear depthT
146mm
Distance between flange centroidsho
190mm

Mass and area

Mass per lengthm
29.8kg/m
Cross-sectional areaA
3,790mm²

Strong axis x–x

Moment of inertiaIx
22.610⁶ mm⁴
Elastic section modulusSx
22310³ mm³
Plastic section modulusZx
26910³ mm³
Radius of gyrationrx
77.2mm

Weak axis y–y

Moment of inertiaIy
1.8410⁶ mm⁴
Elastic section modulusSy
33.110³ mm³
Plastic section modulusZy
63.310³ mm³
Radius of gyrationry
22mm

Torsion and stability

Torsional constantJ
18410³ mm⁴
Warping constantCw
12.810⁹ mm⁶
Effective radius of gyrationrts
26.2mm
Polar radius (shear center)r̄o
90.9mm
Flexural constantH
0.779
Shear centereo
21.4mm

Centers

Centroidx̄
21.3mm
Plastic neutral axisxp
9.32mm

Slenderness ratios

Web slendernessh/tw
14.3
Wall slendernessb/t
6.06

Equivalents in other standards