Steel Beam Sizes / CISC / HSS Rectangular / HA178×127×4.8

HA178×127×4.8 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

HA178×127×4.8 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 14.60 lb/ft 21.70 kg/m
Height 7.00 in 177.80 mm
Width 5.00 in 127.00 mm
Nominal tw 0.188 in 4.780 mm
Design tw 0.169 in 4.300 mm
Area 3.88 in² 2,500.00 mm²
Ix 27.15 in⁴ 11,300,000 mm⁴
Iy 16.24 in⁴ 6,760,000 mm⁴
Sx 7.75 in³ 127,000.00 mm³
Sy 6.47 in³ 106,000.00 mm³
Zx 9.28 in³ 152,000.00 mm³
Zy 7.38 in³ 121,000.00 mm³
rx 2.65 in 67.30 mm
ry 2.05 in 52.00 mm
J 32.19 in⁴ 13,400,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA178×127×4.8.

Lighter in Rectangular HSS

HA127×102×6.4

Weight
20.7 kg/m (-4.8%)
Depth
127.0 mm (-29%)
Ix
5,420,000 mm⁴ (-52%)

Heavier in Rectangular HSS

HA102×76×9.5

Weight
21.9 kg/m (+0.7%)
Depth
101.6 mm (-43%)
Ix
3,240,000 mm⁴ (-71%)

Closest Iₓ in Rectangular HSS

HA152×102×9.5

Weight
33.3 kg/m (+53%)
Depth
152.4 mm (-14%)
Ix
11,500,000 mm⁴ (+1.8%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology