C shapes (standard channels)

C6X10.5 C150X15.6

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 = 2.03d = 6tf = 0.343tf = 0.343tw = 0.314tw = 0.314
Cross-section, to scaledimensions in inches

Dimensions

Depthd
6in
Flange widthbf
2.03in
Web thicknesstw
0.314in
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
10.5lb/ft
Cross-sectional areaA
3.07in²

Strong axis x–x

Moment of inertiaIx
15.1in⁴
Elastic section modulusSx
5.04in³
Plastic section modulusZx
6.18in³
Radius of gyrationrx
2.22in

Weak axis y–y

Moment of inertiaIy
0.86in⁴
Elastic section modulusSy
0.561in³
Plastic section modulusZy
1.14in³
Radius of gyrationry
0.529in

Torsion and stability

Torsional constantJ
0.128in⁴
Warping constantCw
5.91in⁶
Effective radius of gyrationrts
0.669in
Polar radius (shear center)r̄o
2.48in
Flexural constantH
0.842
Shear centereo
0.486in

Centers

Centroidx̄
0.5in
Plastic neutral axisxp
0.256in

Slenderness ratios

Web slendernessh/tw
14.7
Wall slendernessb/t
5.92

Equivalents in other standards