MC – miscellaneous channels

MC200x31.8

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 = 87.6d = 203tf = 13.3tf = 13.3tw = 9.53tw = 9.53
Cross-section, to scaledimensions in mm

Dimensions

Depthd
203mm
Flange widthbf
87.6mm
Web thicknesstw
9.53mm
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
31.8kg/m
Cross-sectional areaA
4,050mm²

Strong axis x–x

Moment of inertiaIx
25.610⁶ mm⁴
Elastic section modulusSx
25210³ mm³
Plastic section modulusZx
29810³ mm³
Radius of gyrationrx
79.5mm

Weak axis y–y

Moment of inertiaIy
2.7410⁶ mm⁴
Elastic section modulusSy
44.410³ mm³
Plastic section modulusZy
84.910³ mm³
Radius of gyrationry
25.9mm

Torsion and stability

Torsional constantJ
20610³ mm⁴
Warping constantCw
1910⁹ mm⁶
Effective radius of gyrationrts
30mm
Polar radius (shear center)r̄o
99.3mm
Flexural constantH
0.707
Shear centereo
27.7mm

Centers

Centroidx̄
25.9mm
Plastic neutral axisxp
11.5mm

Slenderness ratios

Web slendernessh/tw
14.8
Wall slendernessb/t
6.57

Equivalents in other standards