C shapes (standard channels)

C5X9 C130X13

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 = 1.89d = 5tf = 0.32tf = 0.32tw = 0.325tw = 0.325
Cross-section, to scaledimensions in inches

Dimensions

Depthd
5in
Flange widthbf
1.89in
Web thicknesstw
0.325in
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
9lb/ft
Cross-sectional areaA
2.64in²

Strong axis x–x

Moment of inertiaIx
8.89in⁴
Elastic section modulusSx
3.56in³
Plastic section modulusZx
4.39in³
Radius of gyrationrx
1.84in

Weak axis y–y

Moment of inertiaIy
0.624in⁴
Elastic section modulusSy
0.444in³
Plastic section modulusZy
0.913in³
Radius of gyrationry
0.486in

Torsion and stability

Torsional constantJ
0.109in⁴
Warping constantCw
2.93in⁶
Effective radius of gyrationrts
0.616in
Polar radius (shear center)r̄o
2.1in
Flexural constantH
0.815
Shear centereo
0.427in

Centers

Centroidx̄
0.478in
Plastic neutral axisxp
0.264in

Slenderness ratios

Web slendernessh/tw
11.1
Wall slendernessb/t
5.91

Equivalents in other standards