Steel Beam Sizes / UK / CHS / CHS 168.3×8

CHS 168.3×8 Steel Beam Dimensions and Properties

UK Circular hollow sections · v2023.11

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

Units

Section diagram

CHS 168.3×8 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 21.23 lb/ft 31.60 kg/m
OD 6.626 in 168.300 mm
t 0.315 in 8.000 mm
Area 6.25 in² 4,030.00 mm²
Ix 31.23 in⁴ 13,000,000 mm⁴
Iy 31.23 in⁴ 13,000,000 mm⁴
Sx 9.40 in³ 154,000.00 mm³
Sy 9.40 in³ 154,000.00 mm³
Zx 12.57 in³ 206,000.00 mm³
Zy 12.57 in³ 206,000.00 mm³
rx 2.23 in 56.70 mm
ry 2.23 in 56.70 mm
J 62.47 in⁴ 26,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus CHS 168.3×8.

Lighter in Circular hollow sections

CHS 219.1×5.6

Weight
29.5 kg/m (-6.6%)
Depth
— mm
Ix
21,400,000 mm⁴ (+65%)

Heavier in Circular hollow sections

CHS 139.7×10

Weight
32.0 kg/m (+1.3%)
Depth
— mm
Ix
8,620,000 mm⁴ (-34%)

Closest Iₓ in Circular hollow sections

CHS 193.7×5

Weight
23.3 kg/m (-26%)
Depth
— mm
Ix
13,200,000 mm⁴ (+1.5%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology