C shapes (standard channels)

C10X25 C250X37

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 = 2.89d = 10tf = 0.436tf = 0.436tw = 0.526tw = 0.526
Cross-section, to scaledimensions in inches

Dimensions

Depthd
10in
Flange widthbf
2.89in
Web thicknesstw
0.526in
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
25lb/ft
Cross-sectional areaA
7.35in²

Strong axis x–x

Moment of inertiaIx
91.1in⁴
Elastic section modulusSx
18.2in³
Plastic section modulusZx
23.1in³
Radius of gyrationrx
3.52in

Weak axis y–y

Moment of inertiaIy
3.34in⁴
Elastic section modulusSy
1.47in³
Plastic section modulusZy
3.18in³
Radius of gyrationry
0.675in

Torsion and stability

Torsional constantJ
0.687in⁴
Warping constantCw
68.3in⁶
Effective radius of gyrationrts
0.911in
Polar radius (shear center)r̄o
3.76in
Flexural constantH
0.912
Shear centereo
0.494in

Centers

Centroidx̄
0.617in
Plastic neutral axisxp
0.367in

Slenderness ratios

Web slendernessh/tw
15.5
Wall slendernessb/t
6.63

Equivalents in other standards