Steel Beam Sizes / CISC / HSS Rectangular / HS305×203×7.9

HS305×203×7.9 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

HS305×203×7.9 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 0.313 in 7.940 mm
Area 11.86 in² 7,650.00 mm²
Ix 238.57 in⁴ 99,300,000 mm⁴
Iy 127.81 in⁴ 53,200,000 mm⁴
Sx 39.79 in³ 652,000.00 mm³
Sy 31.98 in³ 524,000.00 mm³
Zx 47.96 in³ 786,000.00 mm³
Zy 36.37 in³ 596,000.00 mm³
rx 4.49 in 114.00 mm
ry 3.28 in 83.40 mm
J 264.28 in⁴ 110,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS305×203×7.9.

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 (-44%)

Heavier in Rectangular HSS

HA203×152×13

Weight
62.6 kg/m (+4.2%)
Depth
203.2 mm (-33%)
Ix
39,900,000 mm⁴ (-60%)

Closest Iₓ in Rectangular HSS

HA254×203×16

Weight
101.0 kg/m (+68%)
Depth
254.0 mm (-17%)
Ix
103,000,000 mm⁴ (+3.7%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology