MC shapes (miscellaneous channels)

MC3X7.1 MC75X10.6

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 = 1.94d = 3tf = 0.351tf = 0.351tw = 0.312tw = 0.312
Cross-section, to scaledimensions in inches

Dimensions

Depthd
3in
Flange widthbf
1.94in
Web thicknesstw
0.312in
Flange thicknesstf
0.351in
Distance k (design)kdes
0.813in
Distance k (detailing)kdet
0.8125in
Web clear depthT
1.375in
Distance between flange centroidsho
2.65in

Mass and area

Mass per lengthm
7.1lb/ft
Cross-sectional areaA
2.11in²

Strong axis x–x

Moment of inertiaIx
2.72in⁴
Elastic section modulusSx
1.81in³
Plastic section modulusZx
2.24in³
Radius of gyrationrx
1.14in

Weak axis y–y

Moment of inertiaIy
0.666in⁴
Elastic section modulusSy
0.518in³
Plastic section modulusZy
0.998in³
Radius of gyrationry
0.562in

Torsion and stability

Torsional constantJ
0.0928in⁴
Warping constantCw
0.915in⁶
Effective radius of gyrationrts
0.657in
Polar radius (shear center)r̄o
1.76in
Flexural constantH
0.516
Shear centereo
0.574in

Centers

Centroidx̄
0.653in
Plastic neutral axisxp
0.414in

Slenderness ratios

Web slendernessh/tw
4.43
Wall slendernessb/t
5.53

Equivalents in other standards