Steel Beam Sizes / AISC / Double Angles / 2L5x3x1/2LLBB

2L5x3x1/2LLBB Steel Beam Dimensions and Properties

AISC Double angles · v16.0

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

2L5x3x1/2LLBB 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 25.60 lb/ft 38.00 kg/m
Width 3.00 in 76.20 mm
Height 5.00 in 127.00 mm
t 0.500 in 12.700 mm
Area 7.50 in² 4,840.00 mm²
Ix 18.90 in⁴ 7,870,000 mm⁴
Sx 5.78 in³ 94,700.00 mm³
rx 1.58 in 40.10 mm

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2L5x3x1/2LLBB.

Lighter in Double angles

2L6x6x5/16

Weight
24.8 lb/ft (-3.1%)
Depth
6.00 in (+20%)
Ix
26.0 in⁴ (+38%)

Heavier in Double angles

2L4x3x5/8LLBB

Weight
27.2 lb/ft (+6.2%)
Depth
4.00 in (-20%)
Ix
12.0 in⁴ (-37%)

Closest Iₓ in Double angles

2L5x3x1/2x3/4LLBB

Weight
25.6 lb/ft (0.0%)
Depth
5.00 in (0.0%)
Ix
18.9 in⁴ (0.0%)
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Source: AISC Shapes Database v16.0 · Methodology