Steel Beam Sizes / AISC / Pipe / Pipe2-1/2STD
Pipe2-1/2STD Dimensions, Weight and Section Properties
AISC Pipe sections · v16.0
Pipe2-1/2STD: 5.8 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
Pipe2-1/2STD 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 | 5.80 lb/ft | 8.62 kg/m |
| OD | 2.875 in | 73.000 mm |
| Nominal tw | 0.203 in | 5.160 mm |
| Design tw | 0.189 in | 4.800 mm |
| Area | 1.61 in² | 1,040.00 mm² |
| Ix | 1.45 in⁴ | 604,000.00 mm⁴ |
| Iy | 1.45 in⁴ | 604,000.00 mm⁴ |
| Sx | 1.01 in³ | 16,600.00 mm³ |
| Sy | 1.01 in³ | 16,600.00 mm³ |
| Zx | 1.37 in³ | 22,500.00 mm³ |
| Zy | 1.37 in³ | 22,500.00 mm³ |
| rx | 0.95 in | 24.20 mm |
| ry | 0.95 in | 24.20 mm |
| J | 2.89 in⁴ | 1,200,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus Pipe2-1/2STD.
Source: AISC Shapes Database v16.0 · Methodology