Steel Beam Sizes / CISC / HSS Square / HS254×254×7.9

HS254×254×7.9 Steel Beam Dimensions and Properties

CISC Square HSS · v12.1

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

Units

Section diagram

HS254×254×7.9 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 40.40 lb/ft 60.10 kg/m
Height 10.00 in 254.00 mm
Width 10.00 in 254.00 mm
Nominal tw 0.313 in 7.940 mm
Design tw 0.313 in 7.940 mm
Area 11.86 in² 7,650.00 mm²
Ix 183.55 in⁴ 76,400,000 mm⁴
Iy 183.55 in⁴ 76,400,000 mm⁴
Sx 36.68 in³ 601,000.00 mm³
Sy 36.68 in³ 601,000.00 mm³
Zx 42.78 in³ 701,000.00 mm³
Zy 42.78 in³ 701,000.00 mm³
rx 3.93 in 99.90 mm
ry 3.93 in 99.90 mm
J 288.30 in⁴ 120,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS254×254×7.9.

Lighter in Square HSS

HA305×305×6.4

Weight
58.7 kg/m (-2.5%)
Depth
304.8 mm (+20%)
Ix
100,000,000 mm⁴ (+31%)

Heavier in Square HSS

HA178×178×13

Weight
62.6 kg/m (+4.2%)
Depth
177.8 mm (-30%)
Ix
32,700,000 mm⁴ (-57%)

Closest Iₓ in Square HSS

HA254×254×9.5

Weight
71.3 kg/m (+19%)
Depth
254.0 mm (0.0%)
Ix
81,700,000 mm⁴ (+6.9%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology