MC shapes (miscellaneous channels)

MC18X58 MC460X86

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 = 4.2d = 18tf = 0.625tf = 0.625tw = 0.7tw = 0.7
Cross-section, to scaledimensions in inches

Dimensions

Depthd
18in
Flange widthbf
4.2in
Web thicknesstw
0.7in
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
58lb/ft
Cross-sectional areaA
17.1in²

Strong axis x–x

Moment of inertiaIx
675in⁴
Elastic section modulusSx
75in³
Plastic section modulusZx
95.4in³
Radius of gyrationrx
6.29in

Weak axis y–y

Moment of inertiaIy
17.6in⁴
Elastic section modulusSy
5.28in³
Plastic section modulusZy
10.7in³
Radius of gyrationry
1.02in

Torsion and stability

Torsional constantJ
2.81in⁴
Warping constantCw
1,070in⁶
Effective radius of gyrationrts
1.35in
Polar radius (shear center)r̄o
6.56in
Flexural constantH
0.944
Shear centereo
0.695in

Centers

Centroidx̄
0.862in
Plastic neutral axisxp
0.474in

Slenderness ratios

Web slendernessh/tw
21.6
Wall slendernessb/t
6.72

Equivalents in other standards