MC – miscellaneous channels

MC310x60

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 = 98.8d = 305tf = 17.8tf = 17.8tw = 15tw = 15
Cross-section, to scaledimensions in mm

Dimensions

Depthd
305mm
Flange widthbf
98.8mm
Web thicknesstw
15mm
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
60kg/m
Cross-sectional areaA
7,610mm²

Strong axis x–x

Moment of inertiaIx
97.410⁶ mm⁴
Elastic section modulusSx
63910³ mm³
Plastic section modulusZx
78210³ mm³
Radius of gyrationrx
113mm

Weak axis y–y

Moment of inertiaIy
5.9110⁶ mm⁴
Elastic section modulusSy
81.610³ mm³
Plastic section modulusZy
15310³ mm³
Radius of gyrationry
27.9mm

Torsion and stability

Torsional constantJ
70310³ mm⁴
Warping constantCw
90.210⁹ mm⁶
Effective radius of gyrationrts
33.8mm
Polar radius (shear center)r̄o
127mm
Flexural constantH
0.842
Shear centereo
24.2mm

Centers

Centroidx̄
26.4mm
Plastic neutral axisxp
12.4mm

Slenderness ratios

Web slendernessh/tw
15.6
Wall slendernessb/t
5.56

Equivalents in other standards