MC – miscellaneous channels

MC250x12.5

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 = 38.1d = 254tf = 7.11tf = 7.11tw = 4.32tw = 4.32
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Flange widthbf
38.1mm
Web thicknesstw
4.32mm
Flange thicknesstf
7.11mm
Distance k (design)kdes
19.1mm
Distance k (detailing)kdet
19.1mm
Web clear depthT
216mm
Distance between flange centroidsho
247mm

Mass and area

Mass per lengthm
12.5kg/m
Cross-sectional areaA
1,590mm²

Strong axis x–x

Moment of inertiaIx
13.310⁶ mm⁴
Elastic section modulusSx
10510³ mm³
Plastic section modulusZx
13010³ mm³
Radius of gyrationrx
91.7mm

Weak axis y–y

Moment of inertiaIy
0.13610⁶ mm⁴
Elastic section modulusSy
4.3910³ mm³
Plastic section modulusZy
8.9810³ mm³
Radius of gyrationry
9.25mm

Torsion and stability

Torsional constantJ
17.210³ mm⁴
Warping constantCw
1.8810⁹ mm⁶
Effective radius of gyrationrts
12.3mm
Polar radius (shear center)r̄o
93.5mm
Flexural constantH
0.972
Shear centereo
8.43mm

Centers

Centroidx̄
7.21mm
Plastic neutral axisxp
3.12mm

Slenderness ratios

Web slendernessh/tw
51.7
Wall slendernessb/t
5.36

Equivalents in other standards