Steel Beam Sizes / AISC / Double Angles / 2L6x4x1/2x3/4LLBB

2L6x4x1/2x3/4LLBB 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

2L6x4x1/2x3/4LLBB 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 32.40 lb/ft 48.20 kg/m
Width 4.00 in 102.00 mm
Height 6.00 in 152.00 mm
t 0.500 in 12.700 mm
Area 9.50 in² 6,130.00 mm²
Ix 34.60 in⁴ 14,400,000 mm⁴
Sx 8.62 in³ 141,000.00 mm³
rx 1.91 in 48.50 mm

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2L6x4x1/2x3/4LLBB.

Lighter in Double angles

2L4x4x5/8

Weight
31.4 lb/ft (-3.1%)
Depth
4.00 in (-33%)
Ix
13.2 in⁴ (-62%)

Heavier in Double angles

2L5x3-1/2x5/8LLBB

Weight
33.6 lb/ft (+3.7%)
Depth
5.00 in (-17%)
Ix
24.0 in⁴ (-31%)

Closest Iₓ in Double angles

2L6x4x1/2LLBB

Weight
32.4 lb/ft (0.0%)
Depth
6.00 in (0.0%)
Ix
34.6 in⁴ (0.0%)
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Source: AISC Shapes Database v16.0 · Methodology