American Standard Steel C Channels
Dimensions and static parameters of American Standard Steel C Channels
Properties in imperial units of American Steel C Channels are indicated below.
For full table with Static parameters Moment of Inertia and Elastic Section Modulus  rotate the screen!
Designation  Dimensions  Static Parameters  

Moment of Inertia  Elastic Section Modulus  
Imperial (in x lb/ft)  Depth  h  (in)  With  w  (in)  Web Thickness  s  (in)  Sectional Area (in^{2})  Weight (lb_{f}/ft)  I_{x }(in^{4})  I_{y}_{ }(in^{4})  S_{x}_{ }(in^{3})  S_{y}_{ }(in^{3}) 
C 15 x 50  15  3.716  0.716  14.7  50  404  11.0  53.8  3.78 
C 15 x 40  15  3.520  0.520  11.8  40  349  9.23  46.5  3.37 
C 15 x 33.9  15  3.400  0.400  9.96  33.9  315  8.13  42.0  3.11 
C 12 x 30  12  3.170  0.510  8.82  30  162  5.14  27.0  2.06 
C 12 x 25  12  3.047  0.387  7.35  25  144  4.47  24.1  1.88 
C 12 x 20.7  12  2.942  0.282  6.09  20.7  129  3.88  21.5  1.73 
C 10 x 30  10  3.033  0.673  8.82  30  103  3.94  20.7  1.65 
C 10 x 25  10  2.886  0.526  7.35  25  91.2  3.36  18.2  1.48 
C 10 x 20  10  2.739  0.379  5.88  20  78.9  2.81  15.8  1.32 
C 10 x 15.3  10  2.600  0.240  4.49  15.3  67.4  2.28  13.5  1.16 
C 9 x 20  9  2.648  0.448  5.88  20  60.9  2.42  13.5  1.17 
C 9 x 15  9  2.485  0.285  4.41  15  51.0  1.93  11.3  1.01 
C 9 x 13.4  9  2.433  0.233  3.94  13.4  47.9  1.76  10.6  0.96 
C 8 x 18.75  8  2.527  0.487  5.51  18.75  44.0  1.98  11.0  1.01 
C 8 x 13.75  8  2.343  0.303  4.04  13.75  36.1  1.53  9.03  0.85 
C 8 x 11.5  8  2.260  0.220  3.38  11.5  32.6  1.32  8.14  0.78 
C 7 x 14.75  7  2.299  0.419  4.33  14.75  27.2  1.38  7.78  0.78 
C 7 x 12.25  7  2.194  0.314  3.60  12.25  24.2  1.17  6.93  0.70 
C 7 x 9.8  7  2.090  0.210  2.87  9.8  21.3  0.97  6.08  0.63 
C 6 x 13  6  2.157  0.437  3.83  13  17.4  1.05  5.80  0.64 
C 6 x 10.5  6  2.034  0.314  3.09  10.5  15.2  0.87  5.06  0.56 
C 6 x 8.2  6  1.920  0.200  2.40  8.2  13.1  0.69  4.38  0.49 
C 5 x 9  5  1.885  0.325  2.64  9  8.90  0.63  3.56  0.45 
C 5 x 6.7  5  1.750  0.190  1.97  6.7  7.49  0.48  3.00  0.38 
C 4 x 7.25  4  1.721  0.321  2.13  7.25  4.59  0.43  2.29  0.34 
C 4 x 5.4  4  1.584  0.184  1.59  5.4  3.85  0.32  1.93  0.28 
C 3 x 6  3  1.596  0.356  1.76  6  2.07  0.31  1.38  0.27 
C 3 x 5  3  1.498  0.258  1.47  5  1.85  0.25  1.24  0.23 
C 3 x 4.1  3  1.410  0.170  1.21  4.1  1.66  0.20  1.10  0.20 
 1 cm^{4} = 10^{8} m = 10^{4} mm
 1 in^{4} = 4.16x10^{5} mm^{4} = 41.6 cm^{4}
 1 cm^{3} = 10^{6} m = 10^{3} mm
The standard method for specifying the dimensions of a American Standard Steel Channels is like C 5 x 9. which is a beam 5 inches deep with a weight 9 lb/ft.
Ishaped crosssection beams:
 Britain : Universal Beams (UB) and Universal Columns (UC)
 Europe : IPE. HE. HL. HD and other sections
 US : Wide Flange (WF) and H sections
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