Steel Beam Sizes / CISC / HSS Round / HS508×25

HS508×25 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

HS508×25 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 203.00 lb/ft 302.00 kg/m
OD 20.000 in 508.000 mm
Nominal tw 1.000 in 25.400 mm
Design tw 1.000 in 25.400 mm
Area 59.68 in² 38,500.00 mm²
Ix 2,690.81 in⁴ 1,120,000,000 mm⁴
Iy 2,690.81 in⁴ 1,120,000,000 mm⁴
Sx 270.34 in³ 4,430,000 mm³
Sy 270.34 in³ 4,430,000 mm³
Zx 361.26 in³ 5,920,000 mm³
Zy 361.26 in³ 5,920,000 mm³
rx 6.73 in 171.00 mm
ry 6.73 in 171.00 mm
J 5,405.65 in⁴ 2,250,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS508×25.

Lighter in Round HSS

HA610×19

Weight
277.0 kg/m (-8.4%)
Depth
— mm
Ix
1,400,000,000 mm⁴ (+25%)

Heavier in Round HSS

HA711×19

Weight
325.0 kg/m (+7.9%)
Depth
— mm
Ix
2,250,000,000 mm⁴ (+101%)

Closest Iₓ in Round HSS

HS610×13

Weight
187.0 kg/m (-38%)
Depth
— mm
Ix
1,060,000,000 mm⁴ (-5.4%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology