C shapes (standard channels)

C6X13 C150X19.3

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 = 2.16d = 6tf = 0.343tf = 0.343tw = 0.437tw = 0.437
Cross-section, to scaledimensions in inches

Dimensions

Depthd
6in
Flange widthbf
2.16in
Web thicknesstw
0.437in
Flange thicknesstf
0.343in
Distance k (design)kdes
0.813in
Distance k (detailing)kdet
0.8125in
Web clear depthT
4.375in
Distance between flange centroidsho
5.66in

Mass and area

Mass per lengthm
13lb/ft
Cross-sectional areaA
3.82in²

Strong axis x–x

Moment of inertiaIx
17.3in⁴
Elastic section modulusSx
5.78in³
Plastic section modulusZx
7.29in³
Radius of gyrationrx
2.13in

Weak axis y–y

Moment of inertiaIy
1.05in⁴
Elastic section modulusSy
0.638in³
Plastic section modulusZy
1.35in³
Radius of gyrationry
0.524in

Torsion and stability

Torsional constantJ
0.237in⁴
Warping constantCw
7.19in⁶
Effective radius of gyrationrts
0.689in
Polar radius (shear center)r̄o
2.37in
Flexural constantH
0.858
Shear centereo
0.38in

Centers

Centroidx̄
0.514in
Plastic neutral axisxp
0.318in

Slenderness ratios

Web slendernessh/tw
10.5
Wall slendernessb/t
6.3

Equivalents in other standards