Steel Beam Sizes / UK / RHS / RHS 300×200×6.3

RHS 300×200×6.3 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 300×200×6.3 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 32.19 lb/ft 47.90 kg/m
Height 11.81 in 300.00 mm
Width 7.87 in 200.00 mm
t 0.248 in 6.300 mm
Area 9.46 in² 6,100.00 mm²
Ix 188.12 in⁴ 78,300,000 mm⁴
Iy 100.67 in⁴ 41,900,000 mm⁴
Sx 31.85 in³ 522,000.00 mm³
Sy 25.57 in³ 419,000.00 mm³
Zx 38.08 in³ 624,000.00 mm³
Zy 28.80 in³ 472,000.00 mm³
rx 4.45 in 113.00 mm
ry 3.26 in 82.90 mm
J 203.73 in⁴ 84,800,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×200×6.3.

Lighter in Rectangular hollow sections

RHS 250×150×8

Weight
47.7 kg/m (-0.4%)
Depth
250.0 mm (-17%)
Ix
51,100,000 mm⁴ (-35%)

Heavier in Rectangular hollow sections

RHS 180×100×12.5

Weight
48.7 kg/m (+1.7%)
Depth
180.0 mm (-40%)
Ix
23,800,000 mm⁴ (-70%)

Closest Iₓ in Rectangular hollow sections

RHS 260×140×12.5

Weight
72.3 kg/m (+51%)
Depth
260.0 mm (-13%)
Ix
77,700,000 mm⁴ (-0.8%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology