MC – miscellaneous channels

MC310x52

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 = 95.8d = 305tf = 17.8tf = 17.8tw = 11.8tw = 11.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
305mm
Flange widthbf
95.8mm
Web thicknesstw
11.8mm
Flange thicknesstf
17.8mm
Distance k (design)kdes
33.3mm
Distance k (detailing)kdet
33.3mm
Web clear depthT
238mm
Distance between flange centroidsho
287mm

Mass and area

Mass per lengthm
52kg/m
Cross-sectional areaA
6,650mm²

Strong axis x–x

Moment of inertiaIx
89.910⁶ mm⁴
Elastic section modulusSx
59010³ mm³
Plastic section modulusZx
70810³ mm³
Radius of gyrationrx
117mm

Weak axis y–y

Moment of inertiaIy
5.2410⁶ mm⁴
Elastic section modulusSy
7610³ mm³
Plastic section modulusZy
14110³ mm³
Radius of gyrationry
28.2mm

Torsion and stability

Torsional constantJ
51610³ mm⁴
Warping constantCw
79.810⁹ mm⁶
Effective radius of gyrationrts
33mm
Polar radius (shear center)r̄o
132mm
Flexural constantH
0.831
Shear centereo
27.2mm

Centers

Centroidx̄
26.7mm
Plastic neutral axisxp
10.9mm

Slenderness ratios

Web slendernessh/tw
19.8
Wall slendernessb/t
5.39

Equivalents in other standards