MC – miscellaneous channels

MC310x15.8

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 = 38.1d = 305tf = 7.85tf = 7.85tw = 4.83tw = 4.83
Cross-section, to scaledimensions in mm

Dimensions

Depthd
305mm
Flange widthbf
38.1mm
Web thicknesstw
4.83mm
Flange thicknesstf
7.85mm
Distance k (design)kdes
19.1mm
Distance k (detailing)kdet
19.1mm
Web clear depthT
267mm
Distance between flange centroidsho
297mm

Mass and area

Mass per lengthm
15.8kg/m
Cross-sectional areaA
2,000mm²

Strong axis x–x

Moment of inertiaIx
2310⁶ mm⁴
Elastic section modulusSx
15110³ mm³
Plastic section modulusZx
19010³ mm³
Radius of gyrationrx
107mm

Weak axis y–y

Moment of inertiaIy
0.15710⁶ mm⁴
Elastic section modulusSy
5.0310³ mm³
Plastic section modulusZy
10.410³ mm³
Radius of gyrationry
8.86mm

Torsion and stability

Torsional constantJ
24.810³ mm⁴
Warping constantCw
3.1410⁹ mm⁶
Effective radius of gyrationrts
12.1mm
Polar radius (shear center)r̄o
108mm
Flexural constantH
0.983
Shear centereo
7.21mm

Centers

Centroidx̄
6.83mm
Plastic neutral axisxp
3.28mm

Slenderness ratios

Web slendernessh/tw
56.5
Wall slendernessb/t
4.85

Equivalents in other standards