MC – miscellaneous channels

MC250x50

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 = 104d = 254tf = 14.6tf = 14.6tw = 14.6tw = 14.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Flange widthbf
104mm
Web thicknesstw
14.6mm
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
50kg/m
Cross-sectional areaA
6,370mm²

Strong axis x–x

Moment of inertiaIx
57.910⁶ mm⁴
Elastic section modulusSx
45610³ mm³
Plastic section modulusZx
55210³ mm³
Radius of gyrationrx
95.3mm

Weak axis y–y

Moment of inertiaIy
5.4510⁶ mm⁴
Elastic section modulusSy
71.310³ mm³
Plastic section modulusZy
13610³ mm³
Radius of gyrationry
29.2mm

Torsion and stability

Torsional constantJ
49910³ mm⁴
Warping constantCw
60.210⁹ mm⁶
Effective radius of gyrationrts
35.6mm
Polar radius (shear center)r̄o
114mm
Flexural constantH
0.77
Shear centereo
26.9mm

Centers

Centroidx̄
27.7mm
Plastic neutral axisxp
12.5mm

Slenderness ratios

Web slendernessh/tw
12.7
Wall slendernessb/t
7.13

Equivalents in other standards