Steel Beam Sizes / CISC / HSS Square / HA254×254×7.9

HA254×254×7.9 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

HA254×254×7.9 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 0.281 in 7.150 mm
Area 10.74 in² 6,930.00 mm²
Ix 167.45 in⁴ 69,700,000 mm⁴
Iy 167.45 in⁴ 69,700,000 mm⁴
Sx 33.50 in³ 549,000.00 mm³
Sy 33.50 in³ 549,000.00 mm³
Zx 38.87 in³ 637,000.00 mm³
Zy 38.87 in³ 637,000.00 mm³
rx 3.94 in 100.00 mm
ry 3.94 in 100.00 mm
J 261.87 in⁴ 109,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA254×254×7.9.

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 (+43%)

Heavier in Square HSS

HA178×178×13

Weight
62.6 kg/m (+4.2%)
Depth
177.8 mm (-30%)
Ix
32,700,000 mm⁴ (-53%)

Closest Iₓ in Square HSS

HS203×203×16

Weight
88.3 kg/m (+47%)
Depth
203.2 mm (-20%)
Ix
63,800,000 mm⁴ (-8.5%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology