Steel Beam Sizes / AISC / Double Angles / 2L6x3-1/2x5/16LLBB

2L6x3-1/2x5/16LLBB 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

2L6x3-1/2x5/16LLBB 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 19.60 lb/ft 29.00 kg/m
Width 3.50 in 88.90 mm
Height 6.00 in 152.00 mm
t 0.313 in 7.940 mm
Area 5.78 in² 3,730.00 mm²
Ix 21.80 in⁴ 9,070,000 mm⁴
Sx 5.44 in³ 89,100.00 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 2L6x3-1/2x5/16LLBB.

Lighter in Double angles

2L3-1/2x2-1/2x1/2LLBB

Weight
18.8 lb/ft (-4.1%)
Depth
3.50 in (-42%)
Ix
6.5 in⁴ (-70%)

Heavier in Double angles

2L3-1/2x3x1/2LLBB

Weight
20.4 lb/ft (+4.1%)
Depth
3.50 in (-42%)
Ix
6.9 in⁴ (-68%)

Closest Iₓ in Double angles

2L6x3-1/2x5/16x3/4LLBB

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