C shapes (standard channels)

C5X6.7 C130X10.4

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 = 1.75d = 5tf = 0.32tf = 0.32tw = 0.19tw = 0.19
Cross-section, to scaledimensions in inches

Dimensions

Depthd
5in
Flange widthbf
1.75in
Web thicknesstw
0.19in
Flange thicknesstf
0.32in
Distance k (design)kdes
0.75in
Distance k (detailing)kdet
0.75in
Web clear depthT
3.5in
Distance between flange centroidsho
4.68in

Mass and area

Mass per lengthm
6.7lb/ft
Cross-sectional areaA
1.97in²

Strong axis x–x

Moment of inertiaIx
7.48in⁴
Elastic section modulusSx
2.99in³
Plastic section modulusZx
3.55in³
Radius of gyrationrx
1.95in

Weak axis y–y

Moment of inertiaIy
0.47in⁴
Elastic section modulusSy
0.372in³
Plastic section modulusZy
0.757in³
Radius of gyrationry
0.489in

Torsion and stability

Torsional constantJ
0.0549in⁴
Warping constantCw
2.22in⁶
Effective radius of gyrationrts
0.584in
Polar radius (shear center)r̄o
2.26in
Flexural constantH
0.79
Shear centereo
0.552in

Centers

Centroidx̄
0.484in
Plastic neutral axisxp
0.215in

Slenderness ratios

Web slendernessh/tw
19.1
Wall slendernessb/t
5.47

Equivalents in other standards