Steel Beam Sizes / CISC / HSS Round / HA42×3.2

HA42×3.2 Steel Beam Dimensions and Properties

CISC Round HSS · v12.1

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

HA42×3.2 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 2.05 lb/ft 3.06 kg/m
OD 1.661 in 42.200 mm
Nominal tw 0.125 in 3.180 mm
Design tw 0.113 in 2.860 mm
Area 0.55 in² 353.00 mm²
Ix 0.17 in⁴ 68,700.00 mm⁴
Iy 0.17 in⁴ 68,700.00 mm⁴
Sx 0.20 in³ 3,260.00 mm³
Sy 0.20 in³ 3,260.00 mm³
Zx 0.27 in³ 4,430.00 mm³
Zy 0.27 in³ 4,430.00 mm³
rx 0.55 in 13.90 mm
ry 0.55 in 13.90 mm
J 0.33 in⁴ 137,000.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus HA42×3.2.

Heavier in Round HSS

HA48×3.2

Weight
3.5 kg/m (+16%)
Depth
— mm
Ix
106,000 mm⁴ (+54%)

Closest Iₓ in Round HSS

HS42×3.2

Weight
3.1 kg/m (0.0%)
Depth
— mm
Ix
74,700 mm⁴ (+8.7%)
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Source: CISC Structural Section Tables SST12.1 · v12.1 · ASTM A500 · Methodology