Steel Beam Sizes / CISC / HSS Rectangular / HA305×152×7.9

HA305×152×7.9 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

HA305×152×7.9 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 36.20 lb/ft 53.70 kg/m
Height 12.00 in 304.80 mm
Width 6.00 in 152.40 mm
Nominal tw 0.313 in 7.940 mm
Design tw 0.281 in 7.150 mm
Area 9.61 in² 6,200.00 mm²
Ix 178.99 in⁴ 74,500,000 mm⁴
Iy 61.02 in⁴ 25,400,000 mm⁴
Sx 29.84 in³ 489,000.00 mm³
Sy 20.32 in³ 333,000.00 mm³
Zx 36.98 in³ 606,000.00 mm³
Zy 22.88 in³ 375,000.00 mm³
rx 4.33 in 110.00 mm
ry 2.52 in 64.00 mm
J 147.27 in⁴ 61,300,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA305×152×7.9.

Lighter in Rectangular HSS

HA178×127×13

Weight
52.4 kg/m (-2.8%)
Depth
177.8 mm (-42%)
Ix
24,700,000 mm⁴ (-67%)

Heavier in Rectangular HSS

HA254×152×9.5

Weight
56.1 kg/m (+4.1%)
Depth
254.0 mm (-17%)
Ix
55,400,000 mm⁴ (-26%)

Closest Iₓ in Rectangular HSS

HS254×203×9.5

Weight
63.7 kg/m (+18%)
Depth
254.0 mm (-17%)
Ix
74,800,000 mm⁴ (+0.4%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology