MC shapes (miscellaneous channels)

MC18X51.9 MC460X77.2

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 = 4.1d = 18tf = 0.625tf = 0.625tw = 0.6tw = 0.6
Cross-section, to scaledimensions in inches

Dimensions

Depthd
18in
Flange widthbf
4.1in
Web thicknesstw
0.6in
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
51.9lb/ft
Cross-sectional areaA
15.3in²

Strong axis x–x

Moment of inertiaIx
627in⁴
Elastic section modulusSx
69.6in³
Plastic section modulusZx
87.3in³
Radius of gyrationrx
6.41in

Weak axis y–y

Moment of inertiaIy
16.3in⁴
Elastic section modulusSy
5.02in³
Plastic section modulusZy
9.86in³
Radius of gyrationry
1.03in

Torsion and stability

Torsional constantJ
2.03in⁴
Warping constantCw
985in⁶
Effective radius of gyrationrts
1.35in
Polar radius (shear center)r̄o
6.7in
Flexural constantH
0.939
Shear centereo
0.797in

Centers

Centroidx̄
0.858in
Plastic neutral axisxp
0.424in

Slenderness ratios

Web slendernessh/tw
25.2
Wall slendernessb/t
6.56

Equivalents in other standards