MC – miscellaneous channels

MC250x42.4

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 = 100d = 254tf = 14.6tf = 14.6tw = 10.8tw = 10.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Flange widthbf
100mm
Web thicknesstw
10.8mm
Flange thicknesstf
14.6mm
Distance k (design)kdes
33.3mm
Distance k (detailing)kdet
33.3mm
Web clear depthT
187mm
Distance between flange centroidsho
240mm

Mass and area

Mass per lengthm
42.4kg/m
Cross-sectional areaA
5,400mm²

Strong axis x–x

Moment of inertiaIx
52.410⁶ mm⁴
Elastic section modulusSx
41510³ mm³
Plastic section modulusZx
49210³ mm³
Radius of gyrationrx
98.8mm

Weak axis y–y

Moment of inertiaIy
4.710⁶ mm⁴
Elastic section modulusSy
65.410³ mm³
Plastic section modulusZy
12410³ mm³
Radius of gyrationry
29.5mm

Torsion and stability

Torsional constantJ
32910³ mm⁴
Warping constantCw
51.810⁹ mm⁶
Effective radius of gyrationrts
34.5mm
Polar radius (shear center)r̄o
119mm
Flexural constantH
0.752
Shear centereo
30.7mm

Centers

Centroidx̄
28.4mm
Plastic neutral axisxp
10.6mm

Slenderness ratios

Web slendernessh/tw
17.1
Wall slendernessb/t
6.87

Equivalents in other standards