Structural sectional properties for a MC12X31 standard steel section

| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | MC |
| Section Name | Name | MC12X31 |
| Cross Sectional Area | A | 9.12 in2 |
| Section Width | b | 3.67 in |
| Section Depth | d | 12 in |
| Flange thickness | tf | 0.7 in |
| Web thickness | tw | 0.37 in |
| Radius of Gyration about X-X | rx | 4.71 in |
| Radius of Gyrations about Y-Y | ry | 1.11 in |
| Moment of Inertia about X-X | Ix | 202 in4 |
| Moment of Intertia about Y-Y | Iy | 11.3 in4 |
| Elastic Section Modulus about X-X | Sx | 33.7 in3 |
| Elastic Section Modulus about Y-Y | Sy | 4.37 in3 |
| Plastic Section Modulus about X-X | Zx | 39.7 in3 |
| Plastic Section Modulus about Y-Y | Zy | 8.15 in3 |
| St. Venant Torsional Constant | J | 1 in4 |
| Warping Torsion Constant | Cw | 267 in6 |
| Self Weight of section | Weight | 31 lb/ft |
| Description | Symbol | Value |
|---|---|---|
| Shape Category / Designation | Type | MC |
| Section Name | Name | MC12X31 |
| Cross Sectional Area | A | 5884 mm2 |
| Section Width | b | 93 mm |
| Section Depth | d | 305 mm |
| Flange thickness | tf | 17.8 mm |
| Web thickness | tw | 9.4 mm |
| Radius of Gyration about X-X | rx | 120 mm |
| Radius of Gyrations about Y-Y | ry | 28 mm |
| Moment of Inertia about X-X | Ix | 84000000 mm4 |
| Moment of Intertia about Y-Y | Iy | 5000000 mm4 |
| Elastic Section Modulus about X-X | Sx | 552000 mm3 |
| Elastic Section Modulus about Y-Y | Sy | 72000 mm3 |
| Plastic Section Modulus about X-X | Zx | 651000 mm3 |
| Plastic Section Modulus about Y-Y | Zy | 134000 mm3 |
| St. Venant Torsional Constant | J | 416000 mm4 |
| Warping Torsion Constant | Cw | 72000000000 mm6 |
| Self Weight of section | Weight | 46 kg/m |
Note: Metric units have been converted from tabulated imperial values and rounded to a reasonable number of significant figures.
A MC12X31 steel section is a standard North American steel section in the MC - Misc Channels category. The height and width of the section are 12 in (305 mm) and 3.67 in (93 mm) respectively. It weighs 31 lb/ft (46 kg/m) and has a cross sectional area of 9.12 in2 (5884 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: