Steel Beam Sizes / CISC / HSS Round / HA89×6.4

HA89×6.4 Dimensions, Weight and Section Properties

CISC Round HSS · v12.1

HA89×6.4: 12.9 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

HA89×6.4 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 8.69 lb/ft 12.90 kg/m
OD 3.500 in 88.900 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.225 in 5.720 mm
Area 2.31 in² 1,490.00 mm²
Ix 3.12 in⁴ 1,300,000 mm⁴
Iy 3.12 in⁴ 1,300,000 mm⁴
Sx 1.78 in³ 29,200.00 mm³
Sy 1.78 in³ 29,200.00 mm³
Zx 2.42 in³ 39,600.00 mm³
Zy 2.42 in³ 39,600.00 mm³
rx 1.16 in 29.50 mm
ry 1.16 in 29.50 mm
J 6.25 in⁴ 2,600,000 mm⁴

Alternatives

Useful nearby sections

Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HA89×6.4.

Lighter in Round HSS

HA114×4.8

Weight
12.9 kg/m (-0.2%)
Depth
— mm
Ix
2,250,000 mm⁴ (+73%)

Heavier in Round HSS

HA102×6.4

Weight
14.9 kg/m (+15%)
Depth
— mm
Ix
1,990,000 mm⁴ (+53%)

Another Iₓ option in Round HSS

HS89×6.4

Weight
12.9 kg/m (0.0%)
Depth
— mm
Ix
1,410,000 mm⁴ (+8.5%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology