MC – miscellaneous channels

MC75x10.6

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 = 49.3d = 76.2tf = 8.92tf = 8.92tw = 7.92tw = 7.92
Cross-section, to scaledimensions in mm

Dimensions

Depthd
76.2mm
Flange widthbf
49.3mm
Web thicknesstw
7.92mm
Flange thicknesstf
8.92mm
Distance k (design)kdes
20.7mm
Distance k (detailing)kdet
20.6mm
Web clear depthT
34.9mm
Distance between flange centroidsho
67.3mm

Mass and area

Mass per lengthm
10.6kg/m
Cross-sectional areaA
1,360mm²

Strong axis x–x

Moment of inertiaIx
1.1310⁶ mm⁴
Elastic section modulusSx
29.710³ mm³
Plastic section modulusZx
36.710³ mm³
Radius of gyrationrx
29mm

Weak axis y–y

Moment of inertiaIy
0.27710⁶ mm⁴
Elastic section modulusSy
8.4910³ mm³
Plastic section modulusZy
16.410³ mm³
Radius of gyrationry
14.3mm

Torsion and stability

Torsional constantJ
38.610³ mm⁴
Warping constantCw
0.24610⁹ mm⁶
Effective radius of gyrationrts
16.7mm
Polar radius (shear center)r̄o
44.7mm
Flexural constantH
0.516
Shear centereo
14.6mm

Centers

Centroidx̄
16.6mm
Plastic neutral axisxp
10.5mm

Slenderness ratios

Web slendernessh/tw
4.43
Wall slendernessb/t
5.53

Equivalents in other standards