Steel Beam Sizes / UK / Angles / L 300×300×29

L 300×300×29 Steel Beam Dimensions and Properties

UK Angles · v2023.11

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

Units

Section diagram

L 300×300×29 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 86.68 lb/ft 129.00 kg/m
Width 11.81 in 300.00 mm
Height 11.81 in 300.00 mm
t 1.142 in 29.000 mm
Area 25.58 in² 16,500.00 mm²
Ix 333.95 in⁴ 139,000,000 mm⁴
Iy 333.95 in⁴ 139,000,000 mm⁴
Sx 39.36 in³ 645,000.00 mm³
Sy 39.36 in³ 645,000.00 mm³
rx 3.61 in 91.80 mm
ry 3.61 in 91.80 mm
J 11.46 in⁴ 4,770,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus L 300×300×29.

Lighter in Angles

L 250×250×35

Weight
128.0 kg/m (-0.8%)
Depth
250.0 mm (-17%)
Ix
92,600,000 mm⁴ (-33%)

Heavier in Angles

L 300×300×30

Weight
133.0 kg/m (+3.1%)
Depth
300.0 mm (0.0%)
Ix
143,000,000 mm⁴ (+2.9%)

Closest Iₓ in Angles

L 300×300×28

Weight
125.0 kg/m (-3.1%)
Depth
300.0 mm (0.0%)
Ix
134,000,000 mm⁴ (-3.6%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Eurocode 3 - UK National Annex · Methodology