C shapes (standard channels)

C10X15.3 C250X22.8

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 = 2.6d = 10tf = 0.436tf = 0.436tw = 0.24tw = 0.24
Cross-section, to scaledimensions in inches

Dimensions

Depthd
10in
Flange widthbf
2.6in
Web thicknesstw
0.24in
Flange thicknesstf
0.436in
Distance k (design)kdes
1in
Distance k (detailing)kdet
1.063in
Web clear depthT
8in
Distance between flange centroidsho
9.56in

Mass and area

Mass per lengthm
15.3lb/ft
Cross-sectional areaA
4.48in²

Strong axis x–x

Moment of inertiaIx
67.3in⁴
Elastic section modulusSx
13.5in³
Plastic section modulusZx
15.9in³
Radius of gyrationrx
3.88in

Weak axis y–y

Moment of inertiaIy
2.27in⁴
Elastic section modulusSy
1.15in³
Plastic section modulusZy
2.34in³
Radius of gyrationry
0.711in

Torsion and stability

Torsional constantJ
0.209in⁴
Warping constantCw
45.5in⁶
Effective radius of gyrationrts
0.868in
Polar radius (shear center)r̄o
4.19in
Flexural constantH
0.884
Shear centereo
0.796in

Centers

Centroidx̄
0.634in
Plastic neutral axisxp
0.224in

Slenderness ratios

Web slendernessh/tw
34
Wall slendernessb/t
5.96

Equivalents in other standards