MC – miscellaneous channels

MC250x37

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 = 86.6d = 254tf = 14.6tf = 14.6tw = 9.65tw = 9.65
Cross-section, to scaledimensions in mm

Dimensions

Depthd
254mm
Flange widthbf
86.6mm
Web thicknesstw
9.65mm
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
37kg/m
Cross-sectional areaA
4,740mm²

Strong axis x–x

Moment of inertiaIx
45.810⁶ mm⁴
Elastic section modulusSx
36110³ mm³
Plastic section modulusZx
42910³ mm³
Radius of gyrationrx
98.3mm

Weak axis y–y

Moment of inertiaIy
3.0210⁶ mm⁴
Elastic section modulusSy
48.510³ mm³
Plastic section modulusZy
92.610³ mm³
Radius of gyrationry
25.2mm

Torsion and stability

Torsional constantJ
26610³ mm⁴
Warping constantCw
33.310⁹ mm⁶
Effective radius of gyrationrts
29.7mm
Polar radius (shear center)r̄o
113mm
Flexural constantH
0.803
Shear centereo
26.2mm

Centers

Centroidx̄
24.2mm
Plastic neutral axisxp
9.32mm

Slenderness ratios

Web slendernessh/tw
19.4
Wall slendernessb/t
5.93

Equivalents in other standards