Steel Beam Sizes / AISC / Double Angles / 2L3-1/2x3x3/8x3/8SLBB

2L3-1/2x3x3/8x3/8SLBB 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

2L3-1/2x3x3/8x3/8SLBB 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 15.80 lb/ft 23.40 kg/m
Width 3.50 in 88.90 mm
Height 3.00 in 76.20 mm
t 0.375 in 9.530 mm
Area 4.64 in² 2,990.00 mm²
Ix 3.69 in⁴ 1,540,000 mm⁴
Sx 1.69 in³ 27,700.00 mm³
rx 0.89 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 2L3-1/2x3x3/8x3/8SLBB.

Lighter in Double angles

2L2-1/2x2-1/2x1/2

Weight
15.4 lb/ft (-2.5%)
Depth
2.50 in (-17%)
Ix
2.4 in⁴ (-34%)

Heavier in Double angles

2L4x4x5/16

Weight
16.4 lb/ft (+3.8%)
Depth
4.00 in (+33%)
Ix
7.3 in⁴ (+99%)

Closest Iₓ in Double angles

2L3-1/2x3x3/8SLBB

Weight
15.8 lb/ft (0.0%)
Depth
3.00 in (0.0%)
Ix
3.7 in⁴ (0.0%)
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Source: AISC Shapes Database v16.0 · Methodology