Steel Beam Sizes / CISC / HSS Rectangular / HA305×203×7.9

HA305×203×7.9 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

HA305×203×7.9 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 12.00 in 304.80 mm
Width 8.00 in 203.20 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 217.67 in⁴ 90,600,000 mm⁴
Iy 116.76 in⁴ 48,600,000 mm⁴
Sx 36.25 in³ 594,000.00 mm³
Sy 29.17 in³ 478,000.00 mm³
Zx 43.57 in³ 714,000.00 mm³
Zy 33.07 in³ 542,000.00 mm³
rx 4.49 in 114.00 mm
ry 3.30 in 83.80 mm
J 240.25 in⁴ 100,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA305×203×7.9.

Lighter in Rectangular HSS

HA254×152×9.5

Weight
56.1 kg/m (-6.7%)
Depth
254.0 mm (-17%)
Ix
55,400,000 mm⁴ (-39%)

Heavier in Rectangular HSS

HA203×152×13

Weight
62.6 kg/m (+4.2%)
Depth
203.2 mm (-33%)
Ix
39,900,000 mm⁴ (-56%)

Closest Iₓ in Rectangular HSS

HS254×152×16

Weight
88.3 kg/m (+47%)
Depth
254.0 mm (-17%)
Ix
87,800,000 mm⁴ (-3.1%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology