Steel Beam Sizes / CISC / HSS Round / HA273×9.5

HA273×9.5 Steel Beam Dimensions and Properties

CISC Round HSS · v12.1

Analyze in Beam Calculator Back to HSS Round

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

Units

Section diagram

HA273×9.5 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 41.60 lb/ft 61.90 kg/m
OD 10.752 in 273.100 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.338 in 8.580 mm
Area 11.05 in² 7,130.00 mm²
Ix 149.92 in⁴ 62,400,000 mm⁴
Iy 149.92 in⁴ 62,400,000 mm⁴
Sx 27.89 in³ 457,000.00 mm³
Sy 27.89 in³ 457,000.00 mm³
Zx 36.68 in³ 601,000.00 mm³
Zy 36.68 in³ 601,000.00 mm³
rx 3.69 in 93.60 mm
ry 3.69 in 93.60 mm
J 300.31 in⁴ 125,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA273×9.5.

Lighter in Round HSS

HA245×9.5

Weight
55.2 kg/m (-11%)
Depth
— mm
Ix
44,300,000 mm⁴ (-29%)

Heavier in Round HSS

HA406×6.4

Weight
62.6 kg/m (+1.2%)
Depth
— mm
Ix
145,000,000 mm⁴ (+132%)

Closest Iₓ in Round HSS

HS273×7.9

Weight
51.9 kg/m (-16%)
Depth
— mm
Ix
58,200,000 mm⁴ (-6.7%)
Analyze in Beam Calculator Compare in HSS Round finder

Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology