MC shapes (miscellaneous channels)

MC12X31 MC310X46

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 = 3.67d = 12tf = 0.7tf = 0.7tw = 0.37tw = 0.37
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Flange widthbf
3.67in
Web thicknesstw
0.37in
Flange thicknesstf
0.7in
Distance k (design)kdes
1.31in
Distance k (detailing)kdet
1.313in
Web clear depthT
9.375in
Distance between flange centroidsho
11.3in

Mass and area

Mass per lengthm
31lb/ft
Cross-sectional areaA
9.12in²

Strong axis x–x

Moment of inertiaIx
202in⁴
Elastic section modulusSx
33.7in³
Plastic section modulusZx
39.7in³
Radius of gyrationrx
4.71in

Weak axis y–y

Moment of inertiaIy
11.3in⁴
Elastic section modulusSy
4.37in³
Plastic section modulusZy
8.15in³
Radius of gyrationry
1.11in

Torsion and stability

Torsional constantJ
1in⁴
Warping constantCw
267in⁶
Effective radius of gyrationrts
1.28in
Polar radius (shear center)r̄o
5.34in
Flexural constantH
0.822
Shear centereo
1.17in

Centers

Centroidx̄
1.08in
Plastic neutral axisxp
0.425in

Slenderness ratios

Web slendernessh/tw
24.9
Wall slendernessb/t
5.24

Equivalents in other standards