Steel Beam Sizes / AISC / HSS Square / HSS 2-1/2x2-1/2x5/16

HSS 2-1/2x2-1/2x5/16 Steel Beam Dimensions and Properties

AISC Square HSS · v16.0

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

Units

Section diagram

HSS 2-1/2x2-1/2x5/16 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 8.45 lb/ft 12.50 kg/m
Height 2.50 in 63.50 mm
Width 2.50 in 63.50 mm
Nominal tw 0.313 in 7.940 mm
Design tw 0.291 in 7.390 mm
Area 2.35 in² 1,520.00 mm²
Ix 1.82 in⁴ 758,000.00 mm⁴
Iy 1.82 in⁴ 758,000.00 mm⁴
Sx 1.46 in³ 23,900.00 mm³
Sy 1.46 in³ 23,900.00 mm³
Zx 1.88 in³ 30,800.00 mm³
Zy 1.88 in³ 30,800.00 mm³
rx 0.88 in 22.40 mm
ry 0.88 in 22.40 mm
J 3.20 in⁴ 1,330,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 2-1/2x2-1/2x5/16.

Lighter in Square HSS

HSS 5x5x1/8

Weight
8.2 lb/ft (-3.4%)
Depth
5.00 in (+100%)
Ix
8.8 in⁴ (+384%)

Heavier in Square HSS

HSS 3x3x1/4

Weight
8.8 lb/ft (+4.3%)
Depth
3.00 in (+20%)
Ix
3.0 in⁴ (+66%)

Closest Iₓ in Square HSS

HSS 3x3x1/8

Weight
4.8 lb/ft (-44%)
Depth
3.00 in (+20%)
Ix
1.8 in⁴ (-2.2%)
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Source: AISC Shapes Database v16.0 · Methodology