Steel Beam Sizes / AISC / HSS Round / HSS 12.000x0.375

HSS 12.000x0.375 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 12.000x0.375 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 46.60 lb/ft 69.30 kg/m
OD 12.000 in 305.000 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.349 in 8.860 mm
Area 12.80 in² 8,260.00 mm²
Ix 217.00 in⁴ 90,300,000 mm⁴
Iy 217.00 in⁴ 90,300,000 mm⁴
Sx 36.10 in³ 592,000.00 mm³
Sy 36.10 in³ 592,000.00 mm³
Zx 47.40 in³ 777,000.00 mm³
Zy 47.40 in³ 777,000.00 mm³
rx 4.12 in 105.00 mm
ry 4.12 in 105.00 mm
J 434.00 in⁴ 181,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 12.000x0.375.

Lighter in Round HSS

HSS 14.000x0.312

Weight
45.7 lb/ft (-2.0%)
Depth
— in
Ix
295.0 in⁴ (+36%)

Heavier in Round HSS

HSS 18.000x0.250

Weight
47.4 lb/ft (+1.8%)
Depth
— in
Ix
512.0 in⁴ (+136%)

Closest Iₓ in Round HSS

HSS 13.375x0.250

Weight
35.1 lb/ft (-25%)
Depth
— in
Ix
207.0 in⁴ (-4.6%)
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Source: AISC Shapes Database v16.0 · Methodology