MC shapes (miscellaneous channels)

MC8X21.4 MC200X31.8

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 = 3.45d = 8tf = 0.525tf = 0.525tw = 0.375tw = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Flange widthbf
3.45in
Web thicknesstw
0.375in
Flange thicknesstf
0.525in
Distance k (design)kdes
1.19in
Distance k (detailing)kdet
1.188in
Web clear depthT
5.625in
Distance between flange centroidsho
7.48in

Mass and area

Mass per lengthm
21.4lb/ft
Cross-sectional areaA
6.28in²

Strong axis x–x

Moment of inertiaIx
61.5in⁴
Elastic section modulusSx
15.4in³
Plastic section modulusZx
18.2in³
Radius of gyrationrx
3.13in

Weak axis y–y

Moment of inertiaIy
6.58in⁴
Elastic section modulusSy
2.71in³
Plastic section modulusZy
5.18in³
Radius of gyrationry
1.02in

Torsion and stability

Torsional constantJ
0.495in⁴
Warping constantCw
70.8in⁶
Effective radius of gyrationrts
1.18in
Polar radius (shear center)r̄o
3.91in
Flexural constantH
0.707
Shear centereo
1.09in

Centers

Centroidx̄
1.02in
Plastic neutral axisxp
0.452in

Slenderness ratios

Web slendernessh/tw
14.8
Wall slendernessb/t
6.57

Equivalents in other standards