Steel Beam Sizes / CISC / HSS Round / HS168×6.4

HS168×6.4 Dimensions, Weight and Section Properties

CISC Round HSS · v12.1

HS168×6.4: 25.4 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

HS168×6.4 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 17.00 lb/ft 25.40 kg/m
OD 6.626 in 168.300 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.250 in 6.350 mm
Area 5.01 in² 3,230.00 mm²
Ix 25.47 in⁴ 10,600,000 mm⁴
Iy 25.47 in⁴ 10,600,000 mm⁴
Sx 7.69 in³ 126,000.00 mm³
Sy 7.69 in³ 126,000.00 mm³
Zx 10.19 in³ 167,000.00 mm³
Zy 10.19 in³ 167,000.00 mm³
rx 2.26 in 57.30 mm
ry 2.26 in 57.30 mm
J 50.93 in⁴ 21,200,000 mm⁴

Alternatives

Useful nearby sections

Compare weight neighbors, another Ix option, and a nearby depth series when available, with percent change versus HS168×6.4.

Lighter in Round HSS

HA127×7.9

Weight
23.3 kg/m (-7.6%)
Depth
— mm
Ix
4,850,000 mm⁴ (-54%)

Heavier in Round HSS

HA127×9.5

Weight
27.6 kg/m (+8.8%)
Depth
— mm
Ix
5,620,000 mm⁴ (-47%)

Another Iₓ option in Round HSS

HS141×13

Weight
40.3 kg/m (+59%)
Depth
— mm
Ix
10,700,000 mm⁴ (+0.9%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · CSA G40 · Methodology