Steel Beam Sizes / CISC / HSS Round / HA508×9.5

HA508×9.5 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

HA508×9.5 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 78.70 lb/ft 117.00 kg/m
OD 20.000 in 508.000 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.338 in 8.580 mm
Area 20.93 in² 13,500.00 mm²
Ix 1,009.05 in⁴ 420,000,000 mm⁴
Iy 1,009.05 in⁴ 420,000,000 mm⁴
Sx 100.69 in³ 1,650,000 mm³
Sy 100.69 in³ 1,650,000 mm³
Zx 130.59 in³ 2,140,000 mm³
Zy 130.59 in³ 2,140,000 mm³
rx 6.97 in 177.00 mm
ry 6.97 in 177.00 mm
J 2,018.11 in⁴ 840,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA508×9.5.

Lighter in Round HSS

HA356×13

Weight
107.0 kg/m (-8.3%)
Depth
— mm
Ix
183,000,000 mm⁴ (-56%)

Heavier in Round HSS

HA324×16

Weight
121.0 kg/m (+2.9%)
Depth
— mm
Ix
167,000,000 mm⁴ (-60%)

Closest Iₓ in Round HSS

HS406×19

Weight
182.0 kg/m (+55%)
Depth
— mm
Ix
436,000,000 mm⁴ (+3.8%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Availability: Check availability with the supplier. · Methodology