Steel Beam Sizes / UK / RHS / RHS 400×200×6.3

RHS 400×200×6.3 Steel Beam Dimensions and Properties

UK Rectangular hollow sections · v2023.11

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

Units

Section diagram

RHS 400×200×6.3 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 38.84 lb/ft 57.80 kg/m
Height 15.75 in 400.00 mm
Width 7.87 in 200.00 mm
t 0.248 in 6.300 mm
Area 11.41 in² 7,360.00 mm²
Ix 377.19 in⁴ 157,000,000 mm⁴
Iy 129.26 in⁴ 53,800,000 mm⁴
Sx 47.90 in³ 785,000.00 mm³
Sy 32.83 in³ 538,000.00 mm³
Zx 58.58 in³ 960,000.00 mm³
Zy 36.25 in³ 594,000.00 mm³
rx 5.75 in 146.00 mm
ry 3.37 in 85.50 mm
J 302.72 in⁴ 126,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 400×200×6.3.

Lighter in Rectangular hollow sections

RHS 260×180×8.8

Weight
57.7 kg/m (-0.2%)
Depth
260.0 mm (-35%)
Ix
69,400,000 mm⁴ (-56%)

Heavier in Rectangular hollow sections

RHS 250×150×10

Weight
58.8 kg/m (+1.7%)
Depth
250.0 mm (-37%)
Ix
61,700,000 mm⁴ (-61%)

Closest Iₓ in Rectangular hollow sections

RHS 300×200×14.2

Weight
103.0 kg/m (+78%)
Depth
300.0 mm (-25%)
Ix
158,000,000 mm⁴ (+0.6%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology