Steel Beam Sizes / CISC / HSS Round / HA406×25

HA406×25 Dimensions, Weight and Section Properties

CISC Round HSS · v12.1

HA406×25: 239 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

HA406×25 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 0.900 in 22.860 mm
Area 42.63 in² 27,500.00 mm²
Ix 1,220.47 in⁴ 508,000,000 mm⁴
Iy 1,220.47 in⁴ 508,000,000 mm⁴
Sx 152.56 in³ 2,500,000 mm³
Sy 152.56 in³ 2,500,000 mm³
Zx 205.65 in³ 3,370,000 mm³
Zy 205.65 in³ 3,370,000 mm³
rx 5.35 in 136.00 mm
ry 5.35 in 136.00 mm
J 2,450.56 in⁴ 1,020,000,000 mm⁴

Alternatives

Useful nearby sections

Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HA406×25.

Lighter in Round HSS

HA508×19

Weight
230.0 kg/m (-3.8%)
Depth
— mm
Ix
797,000,000 mm⁴ (+57%)

Heavier in Round HSS

HA457×25

Weight
270.0 kg/m (+14%)
Depth
— mm
Ix
738,000,000 mm⁴ (+45%)

Another Iₓ option in Round HSS

HA508×13

Weight
155.0 kg/m (-35%)
Depth
— mm
Ix
550,000,000 mm⁴ (+8.3%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Availability: Check availability with the supplier. · Methodology