MC shapes (miscellaneous channels)

MC18X42.7 MC460X63.5

Standard: AISC Shapes Database v16.0Source: AISC (aisc.org) — Shapes Database v16.0 (Excel file)
Values published by AISC, in US customary (original) and SI units.
xybf = 3.95d = 18tf = 0.625tf = 0.625tw = 0.45tw = 0.45
Cross-section, to scaledimensions in inches

Dimensions

Depthd
18in
Flange widthbf
3.95in
Web thicknesstw
0.45in
Flange thicknesstf
0.625in
Distance k (design)kdes
1.44in
Distance k (detailing)kdet
1.438in
Web clear depthT
15.13in
Distance between flange centroidsho
17.4in

Mass and area

Mass per lengthm
42.7lb/ft
Cross-sectional areaA
12.6in²

Strong axis x–x

Moment of inertiaIx
554in⁴
Elastic section modulusSx
61.5in³
Plastic section modulusZx
75.1in³
Radius of gyrationrx
6.64in

Weak axis y–y

Moment of inertiaIy
14.3in⁴
Elastic section modulusSy
4.64in³
Plastic section modulusZy
8.82in³
Radius of gyrationry
1.07in

Torsion and stability

Torsional constantJ
1.23in⁴
Warping constantCw
852in⁶
Effective radius of gyrationrts
1.34in
Polar radius (shear center)r̄o
6.97in
Flexural constantH
0.93
Shear centereo
0.969in

Centers

Centroidx̄
0.877in
Plastic neutral axisxp
0.349in

Slenderness ratios

Web slendernessh/tw
33.6
Wall slendernessb/t
6.32

Equivalents in other standards