Steel Beam Sizes / AISC / HSS Round / HSS 6.625x0.500

HSS 6.625x0.500 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 6.625x0.500 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 32.74 lb/ft 48.70 kg/m
OD 6.630 in 168.000 mm
Nominal tw 0.500 in 12.700 mm
Design tw 0.465 in 11.800 mm
Area 9.00 in² 5,810.00 mm²
Ix 42.90 in⁴ 17,900,000 mm⁴
Iy 42.90 in⁴ 17,900,000 mm⁴
Sx 13.00 in³ 213,000.00 mm³
Sy 13.00 in³ 213,000.00 mm³
Zx 17.70 in³ 290,000.00 mm³
Zy 17.70 in³ 290,000.00 mm³
rx 2.18 in 55.40 mm
ry 2.18 in 55.40 mm
J 85.90 in⁴ 35,800,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 6.625x0.500.

Lighter in Round HSS

HSS 10.000x0.312

Weight
32.3 lb/ft (-1.3%)
Depth
— in
Ix
105.0 in⁴ (+145%)

Heavier in Round HSS

HSS 8.625x0.375

Weight
33.1 lb/ft (+1.0%)
Depth
— in
Ix
77.8 in⁴ (+81%)

Closest Iₓ in Round HSS

HSS 7.500x0.312

Weight
24.0 lb/ft (-27%)
Depth
— in
Ix
42.9 in⁴ (0.0%)
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Source: AISC Shapes Database v16.0 · Methodology