Steel Beam Sizes / CISC / Angles / L51×51×3.2

L51×51×3.2 Steel Beam Dimensions and Properties

CISC Angles · v12.1

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

L51×51×3.2 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 1.65 lb/ft 2.40 kg/m
Width 2.00 in 50.80 mm
Height 2.00 in 50.80 mm
t 0.125 in 3.180 mm
Area 0.49 in² 313.00 mm²
Ix 0.19 in⁴ 79,200.00 mm⁴
Iy 0.19 in⁴ 79,200.00 mm⁴
Sx 0.13 in³ 2,140.00 mm³
Sy 0.13 in³ 2,140.00 mm³
rx 0.63 in 15.90 mm
ry 0.63 in 15.90 mm
J 0.00 in⁴ 1,050.00 mm⁴
Cw 0.00 in⁶ 213,000.00 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L51×51×3.2.

Lighter in L51

L51×38×3.2

Weight
2.1 kg/m (-13%)
Depth
50.8 mm (0.0%)
Ix
72,100 mm⁴ (-9.0%)

Heavier in L51

L51×38×4.8

Weight
3.1 kg/m (+28%)
Depth
50.8 mm (0.0%)
Ix
103,000 mm⁴ (+30%)

Closest Iₓ in L51

L51×51×4.8

Weight
3.6 kg/m (+48%)
Depth
50.8 mm (0.0%)
Ix
113,000 mm⁴ (+43%)

Similar weight in L44

L44×44×3.2

Weight
2.1 kg/m (-13%)
Depth
44.5 mm (-12%)
Ix
52,500 mm⁴ (-34%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · Methodology