Dimensions and section properties for C12X30
Structural sectional properties for a C12X30 standard steel section
US Customary Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | C |
| Section Name | Name | C12X30 |
| Cross Sectional Area | A | 8.81 in2 |
| Section Width | b | 3.17 in |
| Section Depth | d | 12 in |
| Flange thickness | tf | 0.501 in |
| Web thickness | tw | 0.51 in |
| Radius of Gyration about X-X | rx | 4.29 in |
| Radius of Gyrations about Y-Y | ry | 0.762 in |
| Moment of Inertia about X-X | Ix | 162 in4 |
| Moment of Intertia about Y-Y | Iy | 5.12 in4 |
| Elastic Section Modulus about X-X | Sx | 27 in3 |
| Elastic Section Modulus about Y-Y | Sy | 2.05 in3 |
| Plastic Section Modulus about X-X | Zx | 33.8 in3 |
| Plastic Section Modulus about Y-Y | Zy | 4.32 in3 |
| St. Venant Torsional Constant | J | 0.861 in4 |
| Warping Torsion Constant | Cw | 151 in6 |
| Self Weight of section | Weight | 30 lb/ft |
Metric Units
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | C |
| Section Name | Name | C12X30 |
| Cross Sectional Area | A | 5684 mm2 |
| Section Width | b | 81 mm |
| Section Depth | d | 305 mm |
| Flange thickness | tf | 12.7 mm |
| Web thickness | tw | 13 mm |
| Radius of Gyration about X-X | rx | 109 mm |
| Radius of Gyrations about Y-Y | ry | 19 mm |
| Moment of Inertia about X-X | Ix | 67000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 2000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 442000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 34000 mm3 |
| Plastic Section Modulus about X-X | Zx | 554000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 71000 mm3 |
| St. Venant Torsional Constant | J | 358000 mm4 |
| Warping Torsion Constant | Cw | 41000000000 mm6 |
| Self Weight of section | Weight | 45 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A C12X30 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 3.17 in (81 mm) respectively. It weighs 30 lb/ft (45 kg/m) and has a cross sectional area of 8.81 in2 (5684 mm2).
The section has a tensile yield capacity of:
kip
The section has a flexural plastic moment capacity of:
kip-ft
The section has a flexural elastic moment capacity of:
kip-ft