Steel Beam Sizes / UK / SHS / SHS 40×40×6.3

SHS 40×40×6.3 Steel Beam Dimensions and Properties

UK Square hollow sections · v2023.11

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

Units

Section diagram

SHS 40×40×6.3 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 4.25 lb/ft 6.33 kg/m
Height 1.57 in 40.00 mm
Width 1.57 in 40.00 mm
t 0.248 in 6.300 mm
Area 1.25 in² 807.00 mm²
Ix 0.35 in⁴ 147,000.00 mm⁴
Iy 0.35 in⁴ 147,000.00 mm⁴
Sx 0.45 in³ 7,340.00 mm³
Sy 0.45 in³ 7,340.00 mm³
Zx 0.60 in³ 9,900.00 mm³
Zy 0.60 in³ 9,900.00 mm³
rx 0.53 in 13.50 mm
ry 0.53 in 13.50 mm
J 0.61 in⁴ 254,000.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 40×40×6.3.

Lighter in Square hollow sections

SHS 60×60×3.6

Weight
6.3 kg/m (-0.9%)
Depth
60.0 mm (+50%)
Ix
419,000 mm⁴ (+185%)

Heavier in Square hollow sections

SHS 70×70×3.2

Weight
6.6 kg/m (+4.7%)
Depth
70.0 mm (+75%)
Ix
623,000 mm⁴ (+324%)

Closest Iₓ in Square hollow sections

SHS 40×40×5.6

Weight
5.8 kg/m (-8.7%)
Depth
40.0 mm (0.0%)
Ix
141,000 mm⁴ (-4.1%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology