Steel Beam Sizes / Australia / CHS / 34×4.5 CHS

34×4.5 CHS Steel Beam Dimensions and Properties

ASNZS Circular hollow sections · v2019.11

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

Units

Section diagram

34×4.5 CHS 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 2.18 lb/ft 3.24 kg/m
OD 1.327 in 33.700 mm
t 0.177 in 4.500 mm
Area 0.64 in² 413.00 mm²
Ix 0.11 in⁴ 45,000.00 mm⁴
Iy 0.11 in⁴ 45,000.00 mm⁴
Sx 0.16 in³ 2,670.62 mm³
Sy 0.16 in³ 2,670.62 mm³
Zx 0.24 in³ 3,870.00 mm³
Zy 0.24 in³ 3,870.00 mm³
rx 0.41 in 10.44 mm
ry 0.41 in 10.44 mm
J 0.22 in⁴ 90,100.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 34×4.5 CHS.

Lighter in Circular hollow sections

42×3.2 CHS

Weight
3.1 kg/m (-4.6%)
Depth
— mm
Ix
76,200 mm⁴ (+69%)

Heavier in Circular hollow sections

48×2.9 CHS

Weight
3.2 kg/m (+0.2%)
Depth
— mm
Ix
107,000 mm⁴ (+138%)

Closest Iₓ in Circular hollow sections

34×4.0 CHS

Weight
2.9 kg/m (-9.7%)
Depth
— mm
Ix
41,900 mm⁴ (-6.9%)
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Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology