Steel Beam Sizes / AISC / HSS Round / HSS 6.625x0.432

HSS 6.625x0.432 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 6.625x0.432 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 28.60 lb/ft 42.60 kg/m
OD 6.630 in 168.000 mm
Nominal tw 0.432 in 11.100 mm
Design tw 0.402 in 10.200 mm
Area 7.86 in² 5,070.00 mm²
Ix 38.20 in⁴ 15,900,000 mm⁴
Iy 38.20 in⁴ 15,900,000 mm⁴
Sx 11.50 in³ 188,000.00 mm³
Sy 11.50 in³ 188,000.00 mm³
Zx 15.60 in³ 256,000.00 mm³
Zy 15.60 in³ 256,000.00 mm³
rx 2.20 in 55.90 mm
ry 2.20 in 55.90 mm
J 76.40 in⁴ 31,800,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HSS 6.625x0.432.

Lighter in Round HSS

HSS 8.625x0.322

Weight
28.6 lb/ft (-0.1%)
Depth
— in
Ix
68.1 in⁴ (+78%)

Heavier in Round HSS

HSS 6.000x0.500

Weight
29.4 lb/ft (+2.8%)
Depth
— in
Ix
31.2 in⁴ (-18%)

Closest Iₓ in Round HSS

HSS 6.875x0.375

Weight
26.1 lb/ft (-8.9%)
Depth
— in
Ix
38.2 in⁴ (0.0%)
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Source: AISC Shapes Database v16.0 · Methodology