Steel Beam Sizes / AISC / Double Angles / 2L7x4x1/2LLBB
2L7x4x1/2LLBB Dimensions, Weight and Section Properties
AISC Double angles · v16.0
2L7x4x1/2LLBB: 7 in depth, 35.8 lb/ft weight. View the full dimensions and properties in imperial and metric units below.
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Section diagram
2L7x4x1/2LLBB 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 | 35.80 lb/ft | 53.00 kg/m |
| Width | 4.00 in | 102.00 mm |
| Height | 7.00 in | 178.00 mm |
| t | 0.500 in | 12.700 mm |
| Area | 10.50 in² | 6,770.00 mm² |
| Ix | 53.20 in⁴ | 22,100,000 mm⁴ |
| Iy | 21.80 in⁴ | 9,070,000 mm⁴ |
| Sx | 11.60 in³ | 190,000.00 mm³ |
| rx | 2.25 in | 57.20 mm |
| ry | 1.44 in | 36.60 mm |
Alternatives
Useful nearby sections
Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus 2L7x4x1/2LLBB.
Lighter in Double angles
2L6x6x7/16
- Weight
- 34.4 lb/ft (-3.9%)
- Depth
- 6.00 in (-14%)
- Ix
- 35.2 in⁴ (-34%)
Heavier in Double angles
2L6x4x9/16LLBB
- Weight
- 36.2 lb/ft (+1.1%)
- Depth
- 6.00 in (-14%)
- Ix
- 38.4 in⁴ (-28%)
Another Iₓ option in Double angles
2L7x4x1/2x3/4LLBB
- Weight
- 35.8 lb/ft (0.0%)
- Depth
- 7.00 in (0.0%)
- Ix
- 53.2 in⁴ (0.0%)
Source: AISC Shapes Database v16.0 · Methodology