Steel Beam Sizes / AISC / Double Angles / 2L6x4x5/16x3/4LLBB

2L6x4x5/16x3/4LLBB 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

2L6x4x5/16x3/4LLBB 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 20.60 lb/ft 30.60 kg/m
Width 4.00 in 102.00 mm
Height 6.00 in 152.00 mm
t 0.313 in 7.940 mm
Area 6.06 in² 3,910.00 mm²
Ix 22.80 in⁴ 9,490,000 mm⁴
Sx 5.54 in³ 90,800.00 mm³
rx 1.94 in 49.30 mm

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 2L6x4x5/16x3/4LLBB.

Lighter in Double angles

2L3-1/2x3x1/2LLBB

Weight
20.4 lb/ft (-1.0%)
Depth
3.50 in (-42%)
Ix
6.9 in⁴ (-70%)

Heavier in Double angles

2L5x3-1/2x3/8LLBB

Weight
20.8 lb/ft (+1.0%)
Depth
5.00 in (-17%)
Ix
15.5 in⁴ (-32%)

Closest Iₓ in Double angles

2L6x4x5/16LLBB

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