Steel Beam Sizes / AISC / HSS Round / HSS 11.750x0.375

HSS 11.750x0.375 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 11.750x0.375 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 45.60 lb/ft 67.90 kg/m
OD 11.800 in 300.000 mm
Nominal tw 0.375 in 9.530 mm
Design tw 0.349 in 8.860 mm
Area 12.50 in² 8,060.00 mm²
Ix 203.00 in⁴ 84,500,000 mm⁴
Iy 203.00 in⁴ 84,500,000 mm⁴
Sx 34.60 in³ 567,000.00 mm³
Sy 34.60 in³ 567,000.00 mm³
Zx 45.30 in³ 742,000.00 mm³
Zy 45.30 in³ 742,000.00 mm³
rx 4.03 in 102.00 mm
ry 4.03 in 102.00 mm
J 406.00 in⁴ 169,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 11.750x0.375.

Lighter in Round HSS

HSS 13.375x0.313

Weight
43.6 lb/ft (-4.3%)
Depth
— in
Ix
256.0 in⁴ (+26%)

Heavier in Round HSS

HSS 14.000x0.312

Weight
45.7 lb/ft (+0.1%)
Depth
— in
Ix
295.0 in⁴ (+45%)

Closest Iₓ in Round HSS

HSS 10.750x0.500

Weight
54.8 lb/ft (+20%)
Depth
— in
Ix
199.0 in⁴ (-2.0%)
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Source: AISC Shapes Database v16.0 · Methodology