Steel Beam Sizes / AISC / HSS Round / HSS 3.500x0.300

HSS 3.500x0.300 Steel Beam Dimensions and Properties

AISC Round HSS · v16.0

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

Units

Section diagram

HSS 3.500x0.300 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 10.26 lb/ft 15.30 kg/m
OD 3.500 in 88.900 mm
Nominal tw 0.300 in 7.620 mm
Design tw 0.279 in 7.090 mm
Area 2.82 in² 1,820.00 mm²
Ix 3.69 in⁴ 1,540,000 mm⁴
Iy 3.69 in⁴ 1,540,000 mm⁴
Sx 2.11 in³ 34,600.00 mm³
Sy 2.11 in³ 34,600.00 mm³
Zx 2.90 in³ 47,500.00 mm³
Zy 2.90 in³ 47,500.00 mm³
rx 1.14 in 29.00 mm
ry 1.14 in 29.00 mm
J 7.38 in⁴ 3,070,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 3.500x0.300.

Lighter in Round HSS

HSS 4.000x0.250

Weight
10.0 lb/ft (-2.5%)
Depth
— in
Ix
4.9 in⁴ (+33%)

Heavier in Round HSS

HSS 3.500x0.313

Weight
10.7 lb/ft (+3.9%)
Depth
— in
Ix
3.8 in⁴ (+3.3%)

Closest Iₓ in Round HSS

HSS 4.000x0.188

Weight
7.7 lb/ft (-25%)
Depth
— in
Ix
3.8 in⁴ (+3.8%)
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Source: AISC Shapes Database v16.0 · Methodology