Steel Beam Sizes / CISC / HSS Round / HA273×13

HA273×13 Steel Beam Dimensions and Properties

CISC Round HSS · v12.1

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

Units

Section diagram

HA273×13 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 54.80 lb/ft 81.60 kg/m
OD 10.752 in 273.100 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.450 in 11.430 mm
Area 14.57 in² 9,400.00 mm²
Ix 193.64 in⁴ 80,600,000 mm⁴
Iy 193.64 in⁴ 80,600,000 mm⁴
Sx 36.00 in³ 590,000.00 mm³
Sy 36.00 in³ 590,000.00 mm³
Zx 47.78 in³ 783,000.00 mm³
Zy 47.78 in³ 783,000.00 mm³
rx 3.65 in 92.60 mm
ry 3.65 in 92.60 mm
J 386.80 in⁴ 161,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA273×13.

Lighter in Round HSS

HA356×9.5

Weight
81.3 kg/m (-0.4%)
Depth
— mm
Ix
141,000,000 mm⁴ (+75%)

Heavier in Round HSS

HA406×9.5

Weight
93.3 kg/m (+14%)
Depth
— mm
Ix
212,000,000 mm⁴ (+163%)

Closest Iₓ in Round HSS

HS324×6.4

Weight
49.7 kg/m (-39%)
Depth
— mm
Ix
79,900,000 mm⁴ (-0.9%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology