Steel Beam Sizes / AISC / HSS Rectangular / HSS 20x16x3/4
HSS 20x16x3/4 Dimensions, Weight and Section Properties
AISC Rectangular HSS · v16.0
HSS 20x16x3/4: 171.16 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
HSS 20x16x3/4 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 | 171.16 lb/ft | 255.00 kg/m |
| Height | 20.00 in | 508.00 mm |
| Width | 16.00 in | 406.00 mm |
| Nominal tw | 0.750 in | 19.100 mm |
| Design tw | 0.698 in | 17.700 mm |
| Area | 47.10 in² | 30,400.00 mm² |
| Ix | 2,710.00 in⁴ | 1,130,000,000 mm⁴ |
| Iy | 1,920.00 in⁴ | 799,000,000 mm⁴ |
| Sx | 271.00 in³ | 4,440,000 mm³ |
| Sy | 240.00 in³ | 3,930,000 mm³ |
| Zx | 324.00 in³ | 5,310,000 mm³ |
| Zy | 278.00 in³ | 4,560,000 mm³ |
| rx | 7.59 in | 193.00 mm |
| ry | 6.39 in | 162.00 mm |
| J | 3,590.00 in⁴ | 1,490,000,000 mm⁴ |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HSS 20x16x3/4.
Lighter in Rectangular HSS
HSS 22x20x5/8
- Weight
- 169.9 lb/ft (-0.7%)
- Depth
- 22.00 in (+10%)
- Ix
- 3,440.0 in⁴ (+27%)
Heavier in Rectangular HSS
HSS 20x12x7/8
- Weight
- 173.4 lb/ft (+1.3%)
- Depth
- 20.00 in (0.0%)
- Ix
- 2,480.0 in⁴ (-8.5%)
Another Iₓ option in Rectangular HSS
HSS 20x12x1
- Weight
- 195.4 lb/ft (+14%)
- Depth
- 20.00 in (0.0%)
- Ix
- 2,740.0 in⁴ (+1.1%)
Source: AISC Shapes Database v16.0 · Methodology