Steel Beam Sizes / CISC / HSS Round / HS457×25

HS457×25 Dimensions, Weight and Section Properties

CISC Round HSS · v12.1

HS457×25: 270 kg/m weight. View the full dimensions and properties in imperial and metric units below.

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

Units

Section diagram

HS457×25 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 182.00 lb/ft 270.00 kg/m
OD 18.000 in 457.200 mm
Nominal tw 1.000 in 25.400 mm
Design tw 1.000 in 25.400 mm
Area 53.48 in² 34,500.00 mm²
Ix 1,936.42 in⁴ 806,000,000 mm⁴
Iy 1,936.42 in⁴ 806,000,000 mm⁴
Sx 215.41 in³ 3,530,000 mm³
Sy 215.41 in³ 3,530,000 mm³
Zx 289.25 in³ 4,740,000 mm³
Zy 289.25 in³ 4,740,000 mm³
rx 6.02 in 153.00 mm
ry 6.02 in 153.00 mm
J 3,868.04 in⁴ 1,610,000,000 mm⁴

Alternatives

Useful nearby sections

Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HS457×25.

Lighter in Round HSS

HA406×25

Weight
239.0 kg/m (-12%)
Depth
— mm
Ix
508,000,000 mm⁴ (-37%)

Heavier in Round HSS

HA610×19

Weight
277.0 kg/m (+2.2%)
Depth
— mm
Ix
1,400,000,000 mm⁴ (+74%)

Another Iₓ option in Round HSS

HS610×9.5

Weight
141.0 kg/m (-48%)
Depth
— mm
Ix
809,000,000 mm⁴ (+0.4%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology