Steel Beam Sizes / AISC / HSS Round / HSS 13.375x0.188

HSS 13.375x0.188 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 13.375x0.188 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 26.43 lb/ft 39.30 kg/m
OD 13.400 in 340.000 mm
Nominal tw 0.188 in 4.780 mm
Design tw 0.174 in 4.420 mm
Area 7.23 in² 4,660.00 mm²
Ix 158.00 in⁴ 65,800,000 mm⁴
Iy 158.00 in⁴ 65,800,000 mm⁴
Sx 23.60 in³ 387,000.00 mm³
Sy 23.60 in³ 387,000.00 mm³
Zx 30.40 in³ 498,000.00 mm³
Zy 30.40 in³ 498,000.00 mm³
rx 4.67 in 119.00 mm
ry 4.67 in 119.00 mm
J 315.00 in⁴ 131,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 13.375x0.188.

Lighter in Round HSS

HSS 10.000x0.250

Weight
26.1 lb/ft (-1.4%)
Depth
— in
Ix
85.3 in⁴ (-46%)

Heavier in Round HSS

HSS 7.000x0.375

Weight
26.6 lb/ft (+0.5%)
Depth
— in
Ix
40.4 in⁴ (-74%)

Closest Iₓ in Round HSS

HSS 10.000x0.500

Weight
50.8 lb/ft (+92%)
Depth
— in
Ix
159.0 in⁴ (+0.6%)
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Source: AISC Shapes Database v16.0 · Methodology