Structural sectional properties for a C12X25 standard steel section

| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | C |
| Section Name | Name | C12X25 |
| Cross Sectional Area | A | 7.34 in2 |
| Section Width | b | 3.05 in |
| Section Depth | d | 12 in |
| Flange thickness | tf | 0.501 in |
| Web thickness | tw | 0.387 in |
| Radius of Gyration about X-X | rx | 4.43 in |
| Radius of Gyrations about Y-Y | ry | 0.779 in |
| Moment of Inertia about X-X | Ix | 144 in4 |
| Moment of Intertia about Y-Y | Iy | 4.45 in4 |
| Elastic Section Modulus about X-X | Sx | 24 in3 |
| Elastic Section Modulus about Y-Y | Sy | 1.87 in3 |
| Plastic Section Modulus about X-X | Zx | 29.4 in3 |
| Plastic Section Modulus about Y-Y | Zy | 3.82 in3 |
| St. Venant Torsional Constant | J | 0.538 in4 |
| Warping Torsion Constant | Cw | 130 in6 |
| Self Weight of section | Weight | 25 lb/ft |
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | C |
| Section Name | Name | C12X25 |
| Cross Sectional Area | A | 4735 mm2 |
| Section Width | b | 77 mm |
| Section Depth | d | 305 mm |
| Flange thickness | tf | 12.7 mm |
| Web thickness | tw | 9.8 mm |
| Radius of Gyration about X-X | rx | 113 mm |
| Radius of Gyrations about Y-Y | ry | 20 mm |
| Moment of Inertia about X-X | Ix | 60000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 2000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 393000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 31000 mm3 |
| Plastic Section Modulus about X-X | Zx | 482000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 63000 mm3 |
| St. Venant Torsional Constant | J | 224000 mm4 |
| Warping Torsion Constant | Cw | 35000000000 mm6 |
| Self Weight of section | Weight | 37 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A C12X25 steel section is a standard North American steel section in the C - Channel category. The height and width of the section are 12 in (305 mm) and 3.05 in (77 mm) respectively. It weighs 25 lb/ft (37 kg/m) and has a cross sectional area of 7.34 in2 (4735 mm2).
The section has a tensile yield capacity of:
The section has a flexural plastic moment capacity of:
The section has a flexural elastic moment capacity of: