Dimensions and section properties for C3X5
Structural sectional properties for a C3X5 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | C |
| Section Name | Name | C3X5 |
| Cross Sectional Area | A | 1.47 in2 |
| Section Width | b | 1.5 in |
| Section Depth | d | 3 in |
| Flange thickness | tf | 0.273 in |
| Web thickness | tw | 0.258 in |
| Radius of Gyration about X-X | rx | 1.12 in |
| Radius of Gyrations about Y-Y | ry | 0.405 in |
| Moment of Inertia about X-X | Ix | 1.85 in4 |
| Moment of Intertia about Y-Y | Iy | 0.241 in4 |
| Elastic Section Modulus about X-X | Sx | 1.23 in3 |
| Elastic Section Modulus about Y-Y | Sy | 0.228 in3 |
| Plastic Section Modulus about X-X | Zx | 1.52 in3 |
| Plastic Section Modulus about Y-Y | Zy | 0.464 in3 |
| St. Venant Torsional Constant | J | 0.0425 in4 |
| Warping Torsion Constant | Cw | 0.379 in6 |
| Self Weight of section | Weight | 5 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | C |
| Section Name | Name | C3X5 |
| Cross Sectional Area | A | 948 mm2 |
| Section Width | b | 38 mm |
| Section Depth | d | 76 mm |
| Flange thickness | tf | 6.9 mm |
| Web thickness | tw | 6.6 mm |
| Radius of Gyration about X-X | rx | 28 mm |
| Radius of Gyrations about Y-Y | ry | 10 mm |
| Moment of Inertia about X-X | Ix | 1000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 0 mm4 |
| Elastic Section Modulus about X-X | Sx | 20000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 4000 mm3 |
| Plastic Section Modulus about X-X | Zx | 25000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 8000 mm3 |
| St. Venant Torsional Constant | J | 18000 mm4 |
| Warping Torsion Constant | Cw | 0 mm6 |
| Self Weight of section | Weight | 7 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A C3X5 steel section is a standard North American steel section in the C - Channel category. The height and width of the section are 3 in (76 mm) and 1.5 in (38 mm) respectively. It weighs 5 lb/ft (7 kg/m) and has a cross sectional area of 1.47 in2 (948 mm2).
The section has a tensile yield capacity of:
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The section has a flexural plastic moment capacity of:
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The section has a flexural elastic moment capacity of:
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