C shapes (standard channels)

C6X8.2 C150X12.2

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 = 1.92d = 6tf = 0.343tf = 0.343tw = 0.2tw = 0.2
Cross-section, to scaledimensions in inches

Dimensions

Depthd
6in
Flange widthbf
1.92in
Web thicknesstw
0.2in
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
8.2lb/ft
Cross-sectional areaA
2.39in²

Strong axis x–x

Moment of inertiaIx
13.1in⁴
Elastic section modulusSx
4.35in³
Plastic section modulusZx
5.16in³
Radius of gyrationrx
2.34in

Weak axis y–y

Moment of inertiaIy
0.687in⁴
Elastic section modulusSy
0.488in³
Plastic section modulusZy
0.987in³
Radius of gyrationry
0.536in

Torsion and stability

Torsional constantJ
0.0736in⁴
Warping constantCw
4.7in⁶
Effective radius of gyrationrts
0.643in
Polar radius (shear center)r̄o
2.65in
Flexural constantH
0.824
Shear centereo
0.599in

Centers

Centroidx̄
0.512in
Plastic neutral axisxp
0.199in

Slenderness ratios

Web slendernessh/tw
23
Wall slendernessb/t
5.6

Equivalents in other standards