Steel Beam Sizes / Australia / CHS / 21×2.0 CHS

21×2.0 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

21×2.0 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 0.64 lb/ft 0.95 kg/m
OD 0.839 in 21.300 mm
t 0.079 in 2.000 mm
Area 0.19 in² 121.00 mm²
Ix 0.01 in⁴ 5,710.00 mm⁴
Iy 0.01 in⁴ 5,710.00 mm⁴
Sx 0.03 in³ 536.15 mm³
Sy 0.03 in³ 536.15 mm³
Zx 0.05 in³ 748.00 mm³
Zy 0.05 in³ 748.00 mm³
rx 0.27 in 6.87 mm
ry 0.27 in 6.87 mm
J 0.03 in⁴ 11,400.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 21×2.0 CHS.

Lighter in Circular hollow sections

17×2.3 CHS

Weight
0.8 kg/m (-11%)
Depth
— mm
Ix
3,060 mm⁴ (-46%)

Heavier in Circular hollow sections

17×2.9 CHS

Weight
1.0 kg/m (+7.4%)
Depth
— mm
Ix
3,470 mm⁴ (-39%)

Closest Iₓ in Circular hollow sections

21×2.6 CHS

Weight
1.2 kg/m (+26%)
Depth
— mm
Ix
6,810 mm⁴ (+19%)
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Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology