MC – miscellaneous channels

MC250x9.7

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 = 29.7d = 254tf = 5.13tf = 5.13tw = 3.86tw = 3.86
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Flange widthbf
29.7mm
Web thicknesstw
3.86mm
Flange thicknesstf
5.13mm
Distance k (design)kdes
14.3mm
Distance k (detailing)kdet
14.3mm
Web clear depthT
225mm
Distance between flange centroidsho
249mm

Mass and area

Mass per lengthm
9.7kg/m
Cross-sectional areaA
1,260mm²

Strong axis x–x

Moment of inertiaIx
9.5310⁶ mm⁴
Elastic section modulusSx
75.210³ mm³
Plastic section modulusZx
96.710³ mm³
Radius of gyrationrx
87.1mm

Weak axis y–y

Moment of inertiaIy
0.055410⁶ mm⁴
Elastic section modulusSy
2.2510³ mm³
Plastic section modulusZy
4.6510³ mm³
Radius of gyrationry
6.65mm

Torsion and stability

Torsional constantJ
7.9510³ mm⁴
Warping constantCw
0.74110⁹ mm⁶
Effective radius of gyrationrts
9.22mm
Polar radius (shear center)r̄o
87.9mm
Flexural constantH
0.988
Shear centereo
4.62mm

Centers

Centroidx̄
4.93mm
Plastic neutral axisxp
2.48mm

Slenderness ratios

Web slendernessh/tw
59.2
Wall slendernessb/t
5.79

Equivalents in other standards