Steel Beam Sizes / CISC / HSS Square / HS178×178×13

HS178×178×13 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

HS178×178×13 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 42.10 lb/ft 62.60 kg/m
Height 7.00 in 177.80 mm
Width 7.00 in 177.80 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.500 in 12.700 mm
Area 12.35 in² 7,970.00 mm²
Ix 84.57 in⁴ 35,200,000 mm⁴
Iy 84.57 in⁴ 35,200,000 mm⁴
Sx 24.17 in³ 396,000.00 mm³
Sy 24.17 in³ 396,000.00 mm³
Zx 29.54 in³ 484,000.00 mm³
Zy 29.54 in³ 484,000.00 mm³
rx 2.62 in 66.50 mm
ry 2.62 in 66.50 mm
J 141.27 in⁴ 58,800,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS178×178×13.

Lighter in Square HSS

HA254×254×7.9

Weight
60.1 kg/m (-4.0%)
Depth
254.0 mm (+43%)
Ix
69,700,000 mm⁴ (+98%)

Heavier in Square HSS

HA254×254×9.5

Weight
71.3 kg/m (+14%)
Depth
254.0 mm (+43%)
Ix
81,700,000 mm⁴ (+132%)

Closest Iₓ in Square HSS

HA203×203×7.9

Weight
47.4 kg/m (-24%)
Depth
203.2 mm (+14%)
Ix
34,600,000 mm⁴ (-1.7%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology