Steel Beam Sizes / AISC / HSS Rectangular / HSS 2-1/2x1x1/8

HSS 2-1/2x1x1/8 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 2-1/2x1x1/8 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 2.63 lb/ft 3.90 kg/m
Height 2.50 in 63.50 mm
Width 1.00 in 25.40 mm
Nominal tw 0.125 in 3.180 mm
Design tw 0.116 in 2.950 mm
Area 0.72 in² 467.00 mm²
Ix 0.50 in⁴ 209,000.00 mm⁴
Iy 0.12 in⁴ 47,900.00 mm⁴
Sx 0.40 in³ 6,600.00 mm³
Sy 0.23 in³ 3,770.00 mm³
Zx 0.53 in³ 8,720.00 mm³
Zy 0.27 in³ 4,490.00 mm³
rx 0.83 in 21.20 mm
ry 0.40 in 10.10 mm
J 0.32 in⁴ 134,000.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 2-1/2x1x1/8.

Lighter in Rectangular HSS

HSS 2x1x1/8

Weight
2.2 lb/ft (-16%)
Depth
2.00 in (-20%)
Ix
0.3 in⁴ (-44%)

Heavier in Rectangular HSS

HSS 2x1x3/16

Weight
3.0 lb/ft (+16%)
Depth
2.00 in (-20%)
Ix
0.4 in⁴ (-30%)

Closest Iₓ in Rectangular HSS

HSS 2x1-1/2x3/16

Weight
3.7 lb/ft (+40%)
Depth
2.00 in (-20%)
Ix
0.5 in⁴ (-1.6%)
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Source: AISC Shapes Database v16.0 · Methodology