Steel Beam Sizes / AISC / HSS Rectangular / HSS 4x2-1/2x1/8

HSS 4x2-1/2x1/8 Steel Beam Dimensions and Properties

AISC Rectangular HSS · v16.0

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

Units

Section diagram

HSS 4x2-1/2x1/8 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 5.18 lb/ft 7.70 kg/m
Height 4.00 in 102.00 mm
Width 2.50 in 63.50 mm
Nominal tw 0.125 in 3.180 mm
Design tw 0.116 in 2.950 mm
Area 1.42 in² 916.00 mm²
Ix 3.09 in⁴ 1,290,000 mm⁴
Iy 1.49 in⁴ 620,000.00 mm⁴
Sx 1.54 in³ 25,200.00 mm³
Sy 1.19 in³ 19,500.00 mm³
Zx 1.88 in³ 30,800.00 mm³
Zy 1.36 in³ 22,300.00 mm³
rx 1.47 in 37.30 mm
ry 1.03 in 26.20 mm
J 3.23 in⁴ 1,340,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 4x2-1/2x1/8.

Lighter in Rectangular HSS

HSS 2-1/2x2x3/16

Weight
5.0 lb/ft (-4.2%)
Depth
2.50 in (-38%)
Ix
1.1 in⁴ (-64%)

Heavier in Rectangular HSS

HSS 2-1/2x1-1/2x1/4

Weight
5.4 lb/ft (+4.4%)
Depth
2.50 in (-38%)
Ix
1.0 in⁴ (-67%)

Closest Iₓ in Rectangular HSS

HSS 3-1/2x2-1/2x3/16

Weight
6.9 lb/ft (+33%)
Depth
3.50 in (-13%)
Ix
3.1 in⁴ (0.0%)
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Source: AISC Shapes Database v16.0 · Methodology