Steel Beam Sizes / AISC / Double Angles / 2L3x3x1/2x3/4

2L3x3x1/2x3/4 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

2L3x3x1/2x3/4 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 18.80 lb/ft 28.00 kg/m
Width 3.00 in 76.20 mm
Height 3.00 in 76.20 mm
t 0.500 in 12.700 mm
Area 5.52 in² 3,560.00 mm²
Ix 4.40 in⁴ 1,830,000 mm⁴
Sx 2.12 in³ 34,700.00 mm³
rx 0.90 in 22.70 mm

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2L3x3x1/2x3/4.

Lighter in Double angles

2L3-1/2x3x7/16LLBB

Weight
18.2 lb/ft (-3.2%)
Depth
3.50 in (+17%)
Ix
6.2 in⁴ (+41%)

Heavier in Double angles

2L3-1/2x3-1/2x7/16

Weight
19.6 lb/ft (+4.3%)
Depth
3.50 in (+17%)
Ix
6.5 in⁴ (+48%)

Closest Iₓ in Double angles

2L3-1/2x2-1/2x5/16LLBB

Weight
12.2 lb/ft (-35%)
Depth
3.50 in (+17%)
Ix
4.4 in⁴ (0.0%)
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Source: AISC Shapes Database v16.0 · Methodology