Steel Beam Sizes / AISC / Double Angles / 2L5x3-1/2x3/4x3/4LLBB

2L5x3-1/2x3/4x3/4LLBB Steel Beam Dimensions and Properties

AISC Double angles · v16.0

Analyze in Beam Calculator Back to Double Angles

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

Units

Section diagram

2L5x3-1/2x3/4x3/4LLBB 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 39.60 lb/ft 58.60 kg/m
Width 3.50 in 88.90 mm
Height 5.00 in 127.00 mm
t 0.750 in 19.100 mm
Area 11.70 in² 7,550.00 mm²
Ix 27.80 in⁴ 11,600,000 mm⁴
Sx 8.52 in³ 140,000.00 mm³
rx 1.55 in 39.40 mm

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2L5x3-1/2x3/4x3/4LLBB.

Lighter in Double angles

2L6x6x1/2

Weight
39.2 lb/ft (-1.0%)
Depth
6.00 in (+20%)
Ix
39.8 in⁴ (+43%)

Heavier in Double angles

2L5x5x5/8

Weight
40.0 lb/ft (+1.0%)
Depth
5.00 in (0.0%)
Ix
27.2 in⁴ (-2.2%)

Closest Iₓ in Double angles

2L5x3-1/2x3/4LLBB

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