MC – miscellaneous channels

MC310x46

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 = 93.2d = 305tf = 17.8tf = 17.8tw = 9.4tw = 9.4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
305mm
Flange widthbf
93.2mm
Web thicknesstw
9.4mm
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
46kg/m
Cross-sectional areaA
5,880mm²

Strong axis x–x

Moment of inertiaIx
84.110⁶ mm⁴
Elastic section modulusSx
55210³ mm³
Plastic section modulusZx
65110³ mm³
Radius of gyrationrx
120mm

Weak axis y–y

Moment of inertiaIy
4.710⁶ mm⁴
Elastic section modulusSy
71.610³ mm³
Plastic section modulusZy
13410³ mm³
Radius of gyrationry
28.2mm

Torsion and stability

Torsional constantJ
41610³ mm⁴
Warping constantCw
71.710⁹ mm⁶
Effective radius of gyrationrts
32.5mm
Polar radius (shear center)r̄o
136mm
Flexural constantH
0.822
Shear centereo
29.7mm

Centers

Centroidx̄
27.4mm
Plastic neutral axisxp
10.8mm

Slenderness ratios

Web slendernessh/tw
24.9
Wall slendernessb/t
5.24

Equivalents in other standards