Steel Beam Sizes / CISC / HSS Round / HS406×25

HS406×25 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

HS406×25 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 160.00 lb/ft 239.00 kg/m
OD 16.000 in 406.400 mm
Nominal tw 1.000 in 25.400 mm
Design tw 1.000 in 25.400 mm
Area 47.12 in² 30,400.00 mm²
Ix 1,330.99 in⁴ 554,000,000 mm⁴
Iy 1,330.99 in⁴ 554,000,000 mm⁴
Sx 166.59 in³ 2,730,000 mm³
Sy 166.59 in³ 2,730,000 mm³
Zx 225.18 in³ 3,690,000 mm³
Zy 225.18 in³ 3,690,000 mm³
rx 5.31 in 135.00 mm
ry 5.31 in 135.00 mm
J 2,666.79 in⁴ 1,110,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HS406×25.

Lighter in Round HSS

HA508×19

Weight
230.0 kg/m (-3.8%)
Depth
— mm
Ix
797,000,000 mm⁴ (+44%)

Heavier in Round HSS

HA457×25

Weight
270.0 kg/m (+14%)
Depth
— mm
Ix
738,000,000 mm⁴ (+33%)

Closest Iₓ in Round HSS

HA508×13

Weight
155.0 kg/m (-35%)
Depth
— mm
Ix
550,000,000 mm⁴ (-0.7%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Availability: Check availability with the supplier. · Methodology