Steel Beam Sizes / AISC / HP-Shapes / HP18x135
HP18x135 Dimensions, Weight and Section Properties
AISC Bearing piles · v16.0
HP18x135: 17.5 in depth, 17.8 in flange width, 135 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HP18x135 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 | 135.00 lb/ft | 202.00 kg/m |
| Depth, d | 17.50 in | 445.00 mm |
| Flange width, bf | 17.80 in | 452.00 mm |
| tw | 0.750 in | 19.100 mm |
| tf | 0.750 in | 19.100 mm |
| Area | 39.90 in² | 25,700.00 mm² |
| Ix | 2,200.00 in⁴ | 916,000,000 mm⁴ |
| Iy | 706.00 in⁴ | 294,000,000 mm⁴ |
| Sx | 251.00 in³ | 4,110,000 mm³ |
| Sy | 79.30 in³ | 1,300,000 mm³ |
| Zx | 281.00 in³ | 4,600,000 mm³ |
| Zy | 122.00 in³ | 2,000,000 mm³ |
| rx | 7.43 in | 189.00 mm |
| ry | 4.21 in | 107.00 mm |
| J | 9.12 in⁴ | 3,800,000 mm⁴ |
| Cw | 49,500.00 in⁶ | 13,300,000,000,000 mm⁶ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HP18x135.
Heavier in HP18
HP18x157
- Weight
- 157.0 lb/ft (+16%)
- Depth
- 17.70 in (+1.1%)
- Ix
- 2,570.0 in⁴ (+17%)
Another Iₓ option in HP18
HP18x181
- Weight
- 181.0 lb/ft (+34%)
- Depth
- 18.00 in (+2.9%)
- Ix
- 3,020.0 in⁴ (+37%)
Similar weight in HP16
HP16x141
- Weight
- 141.0 lb/ft (+4.4%)
- Depth
- 16.00 in (-8.6%)
- Ix
- 1,870.0 in⁴ (-15%)
Source: AISC Shapes Database v16.0 · Methodology