MC shapes (miscellaneous channels)

MC13X31.8 MC330X47.3

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 = 4d = 13tf = 0.61tf = 0.61tw = 0.375tw = 0.375
Cross-section, to scaledimensions in inches

Dimensions

Depthd
13in
Flange widthbf
4in
Web thicknesstw
0.375in
Flange thicknesstf
0.61in
Distance k (design)kdes
1.44in
Distance k (detailing)kdet
1.438in
Web clear depthT
10.13in
Distance between flange centroidsho
12.4in

Mass and area

Mass per lengthm
31.8lb/ft
Cross-sectional areaA
9.35in²

Strong axis x–x

Moment of inertiaIx
239in⁴
Elastic section modulusSx
36.7in³
Plastic section modulusZx
43.4in³
Radius of gyrationrx
5.05in

Weak axis y–y

Moment of inertiaIy
11.4in⁴
Elastic section modulusSy
3.79in³
Plastic section modulusZy
7.69in³
Radius of gyrationry
1.1in

Torsion and stability

Torsional constantJ
0.937in⁴
Warping constantCw
380in⁶
Effective radius of gyrationrts
1.34in
Polar radius (shear center)r̄o
5.64in
Flexural constantH
0.842
Shear centereo
1.24in

Centers

Centroidx̄
1in
Plastic neutral axisxp
0.36in

Slenderness ratios

Web slendernessh/tw
27.6
Wall slendernessb/t
6.56

Equivalents in other standards