Steel Beam Sizes / AISC / HSS Round / HSS 13.375x0.500

HSS 13.375x0.500 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 13.375x0.500 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 68.82 lb/ft 102.00 kg/m
OD 13.400 in 340.000 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.465 in 11.800 mm
Area 18.90 in² 12,200.00 mm²
Ix 393.00 in⁴ 164,000,000 mm⁴
Iy 393.00 in⁴ 164,000,000 mm⁴
Sx 58.80 in³ 964,000.00 mm³
Sy 58.80 in³ 964,000.00 mm³
Zx 77.50 in³ 1,270,000 mm³
Zy 77.50 in³ 1,270,000 mm³
rx 4.57 in 116.00 mm
ry 4.57 in 116.00 mm
J 787.00 in⁴ 328,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 13.375x0.500.

Lighter in Round HSS

HSS 10.750x0.625

Weight
67.7 lb/ft (-1.7%)
Depth
— in
Ix
241.0 in⁴ (-39%)

Heavier in Round HSS

HSS 18.000x0.375

Weight
70.7 lb/ft (+2.7%)
Depth
— in
Ix
754.0 in⁴ (+92%)

Closest Iₓ in Round HSS

HSS 12.750x0.625

Weight
81.0 lb/ft (+18%)
Depth
— in
Ix
412.0 in⁴ (+4.8%)
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Source: AISC Shapes Database v16.0 · Methodology