Steel Beam Sizes / Europe / RHS / RHS 200×120×6.3

RHS 200×120×6.3 Steel Beam Dimensions and Properties

EN Rectangular hollow sections · v2026.1

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

Units

Section diagram

RHS 200×120×6.3 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 20.23 lb/ft 30.10 kg/m
Height 7.87 in 200.00 mm
Width 4.72 in 120.00 mm
t 0.248 in 6.300 mm
Area 5.94 in² 3,830.00 mm²
Ix 49.49 in⁴ 20,600,000 mm⁴
Iy 22.32 in⁴ 9,290,000 mm⁴
Sx 12.63 in³ 207,000.00 mm³
Sy 9.46 in³ 155,000.00 mm³
Zx 15.44 in³ 253,000.00 mm³
Zy 10.80 in³ 177,000.00 mm³
rx 2.89 in 73.40 mm
ry 1.94 in 49.20 mm
J 48.77 in⁴ 20,300,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 200×120×6.3.

Lighter in Rectangular hollow sections

RHS 200×150×5.6

Weight
29.5 kg/m (-2.0%)
Depth
200.0 mm (0.0%)
Ix
21,800,000 mm⁴ (+5.8%)

Heavier in Rectangular hollow sections

RHS 250×150×5

Weight
30.4 kg/m (+1.0%)
Depth
250.0 mm (+25%)
Ix
33,600,000 mm⁴ (+63%)

Closest Iₓ in Rectangular hollow sections

RHS 180×100×10

Weight
40.0 kg/m (+33%)
Depth
180.0 mm (-10%)
Ix
20,400,000 mm⁴ (-1.0%)
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Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology