Steel Beam Sizes / CISC / HSS Rectangular / HS178×127×9.5

HS178×127×9.5 Steel Beam Dimensions and Properties

CISC Rectangular HSS · v12.1

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

Units

Section diagram

HS178×127×9.5 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 27.50 lb/ft 40.90 kg/m
Height 7.00 in 177.80 mm
Width 5.00 in 127.00 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.375 in 9.530 mm
Area 8.08 in² 5,210.00 mm²
Ix 52.13 in⁴ 21,700,000 mm⁴
Iy 30.75 in⁴ 12,800,000 mm⁴
Sx 14.89 in³ 244,000.00 mm³
Sy 12.33 in³ 202,000.00 mm³
Zx 18.49 in³ 303,000.00 mm³
Zy 14.65 in³ 240,000.00 mm³
rx 2.54 in 64.60 mm
ry 1.95 in 49.60 mm
J 64.39 in⁴ 26,800,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS178×127×9.5.

Lighter in Rectangular HSS

HA254×152×6.4

Weight
38.4 kg/m (-6.2%)
Depth
254.0 mm (+43%)
Ix
39,100,000 mm⁴ (+80%)

Heavier in Rectangular HSS

HA203×152×7.9

Weight
41.1 kg/m (+0.4%)
Depth
203.2 mm (+14%)
Ix
27,700,000 mm⁴ (+28%)

Closest Iₓ in Rectangular HSS

HS203×102×7.9

Weight
34.7 kg/m (-15%)
Depth
203.2 mm (+14%)
Ix
22,500,000 mm⁴ (+3.7%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology