Steel Beam Sizes / AISC / Double Angles / 2L3x2x1/2x3/4SLBB

2L3x2x1/2x3/4SLBB 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

2L3x2x1/2x3/4SLBB 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 15.40 lb/ft 22.80 kg/m
Width 3.00 in 76.20 mm
Height 2.00 in 50.80 mm
t 0.500 in 12.700 mm
Area 4.52 in² 2,920.00 mm²
Ix 1.33 in⁴ 554,000.00 mm⁴
Sx 0.94 in³ 15,400.00 mm³
rx 0.54 in 13.80 mm

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2L3x2x1/2x3/4SLBB.

Lighter in Double angles

2L3x2-1/2x7/16LLBB

Weight
15.2 lb/ft (-1.3%)
Depth
3.00 in (+50%)
Ix
3.7 in⁴ (+181%)

Heavier in Double angles

2L3-1/2x3x3/8LLBB

Weight
15.8 lb/ft (+2.6%)
Depth
3.50 in (+75%)
Ix
5.5 in⁴ (+311%)

Closest Iₓ in Double angles

2L3x2x1/2SLBB

Weight
15.4 lb/ft (0.0%)
Depth
2.00 in (0.0%)
Ix
1.3 in⁴ (0.0%)
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Source: AISC Shapes Database v16.0 · Methodology