Steel Beam Sizes / CISC / HSS Round / HA273×6.4

HA273×6.4 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

HA273×6.4 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 28.10 lb/ft 41.80 kg/m
OD 10.752 in 273.100 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.225 in 5.720 mm
Area 7.44 in² 4,800.00 mm²
Ix 103.31 in⁴ 43,000,000 mm⁴
Iy 103.31 in⁴ 43,000,000 mm⁴
Sx 19.22 in³ 315,000.00 mm³
Sy 19.22 in³ 315,000.00 mm³
Zx 24.96 in³ 409,000.00 mm³
Zy 24.96 in³ 409,000.00 mm³
rx 3.72 in 94.60 mm
ry 3.72 in 94.60 mm
J 206.38 in⁴ 85,900,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA273×6.4.

Lighter in Round HSS

HA141×13

Weight
40.3 kg/m (-3.6%)
Depth
— mm
Ix
9,910,000 mm⁴ (-77%)

Heavier in Round HSS

HA168×13

Weight
48.7 kg/m (+16%)
Depth
— mm
Ix
17,400,000 mm⁴ (-60%)

Closest Iₓ in Round HSS

HS219×13

Weight
64.6 kg/m (+54%)
Depth
— mm
Ix
44,000,000 mm⁴ (+2.3%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology