Steel Beam Sizes / AISC / HSS Round / HSS 12.000x0.250

HSS 12.000x0.250 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 12.000x0.250 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 31.40 lb/ft 46.70 kg/m
OD 12.000 in 305.000 mm
Nominal tw 0.250 in 6.350 mm
Design tw 0.233 in 5.920 mm
Area 8.60 in² 5,550.00 mm²
Ix 149.00 in⁴ 62,000,000 mm⁴
Iy 149.00 in⁴ 62,000,000 mm⁴
Sx 24.80 in³ 406,000.00 mm³
Sy 24.80 in³ 406,000.00 mm³
Zx 32.20 in³ 528,000.00 mm³
Zy 32.20 in³ 528,000.00 mm³
rx 4.16 in 106.00 mm
ry 4.16 in 106.00 mm
J 298.00 in⁴ 124,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 12.000x0.250.

Lighter in Round HSS

HSS 9.625x0.312

Weight
31.1 lb/ft (-1.1%)
Depth
— in
Ix
93.0 in⁴ (-38%)

Heavier in Round HSS

HSS 10.000x0.312

Weight
32.3 lb/ft (+2.9%)
Depth
— in
Ix
105.0 in⁴ (-30%)

Closest Iₓ in Round HSS

HSS 10.750x0.375

Weight
41.6 lb/ft (+32%)
Depth
— in
Ix
154.0 in⁴ (+3.4%)
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Source: AISC Shapes Database v16.0 · Methodology