Steel Beam Sizes / AISC / HSS Round / HSS 2.875x0.125

HSS 2.875x0.125 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 2.875x0.125 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 3.67 lb/ft 5.47 kg/m
OD 2.880 in 73.000 mm
Nominal tw 0.125 in 3.180 mm
Design tw 0.116 in 2.950 mm
Area 1.01 in² 652.00 mm²
Ix 0.96 in⁴ 399,000.00 mm⁴
Iy 0.96 in⁴ 399,000.00 mm⁴
Sx 0.67 in³ 10,900.00 mm³
Sy 0.67 in³ 10,900.00 mm³
Zx 0.88 in³ 14,500.00 mm³
Zy 0.88 in³ 14,500.00 mm³
rx 0.98 in 24.80 mm
ry 0.98 in 24.80 mm
J 1.92 in⁴ 799,000.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 2.875x0.125.

Lighter in Round HSS

HSS 2.375x0.154

Weight
3.7 lb/ft (-0.3%)
Depth
— in
Ix
0.6 in⁴ (-35%)

Heavier in Round HSS

HSS 3.000x0.125

Weight
3.8 lb/ft (+4.6%)
Depth
— in
Ix
1.1 in⁴ (+14%)

Closest Iₓ in Round HSS

HSS 2.375x0.250

Weight
5.7 lb/ft (+55%)
Depth
— in
Ix
0.9 in⁴ (-5.0%)
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Source: AISC Shapes Database v16.0 · Methodology