Steel Beam Sizes / AISC / Channels / C12x25
C12x25 Dimensions, Weight and Section Properties
AISC Channels · v16.0
C12x25: 12 in depth, 3.05 in flange width, 25 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
C12x25 dimensions
Not to scale. Dimensions shown for reference.
Section properties
Symbols match the steel section finder. Imperial and metric values are shown side by side.
| Property | Imperial | Metric |
|---|---|---|
| Weight | 25.00 lb/ft | 37.00 kg/m |
| Depth, d | 12.00 in | 305.00 mm |
| Flange width, bf | 3.05 in | 77.50 mm |
| tw | 0.387 in | 9.830 mm |
| tf | 0.501 in | 12.700 mm |
| Area | 7.34 in² | 4,740.00 mm² |
| Ix | 144.00 in⁴ | 59,900,000 mm⁴ |
| Iy | 4.45 in⁴ | 1,850,000 mm⁴ |
| Sx | 24.00 in³ | 393,000.00 mm³ |
| Sy | 1.87 in³ | 30,600.00 mm³ |
| Zx | 29.40 in³ | 482,000.00 mm³ |
| Zy | 3.82 in³ | 62,600.00 mm³ |
| rx | 4.43 in | 113.00 mm |
| ry | 0.78 in | 19.80 mm |
| J | 0.54 in⁴ | 224,000.00 mm⁴ |
| Cw | 130.00 in⁶ | 34,900,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus C12x25.
Source: AISC Shapes Database v16.0 · Methodology