914x305x224 UB UB — UK Universal Beam Section Properties

914x305x224 UB is a UK UB (Universal Beam) per BS 4-1 and EN 10365 hot-rolled structural steel section. British Steel Advance sections — medium-weight UB.

Dimensions (Metric)

Property Value Unit
Depth (d) 910 mm
Flange Width (bf) 304 mm
Flange Thickness (tf) 23.9 mm
Web Thickness (tw) 15.9 mm
Cross-Sectional Area (A) 286.0 cm²
Mass 224.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (Y-Y) Weak Axis (Z-Z) Unit
Moment of Inertia (I) 375,000 11,200 cm⁴
Elastic Section Modulus (S) 8,240 1,330 cm³
Plastic Section Modulus (Z) 5,272 2,040 cm³
Radius of Gyration (i) 6.88 6.88 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 540 cm⁴
Warping Constant (Cw) 15,200,000 cm⁶

Design Resources

Frequently Asked Questions

What is the 914x305x224 UB section depth? The 914x305x224 UB has a nominal depth of 910.4mm and a flange width of 304mm. The UB series is produced to BS 4-1 and EN 10365 by British Steel (Scunthorpe) and Tata Steel.

What steel grade is standard for 914x305x224 UB? Typically S355J2 per EN 10025-2. Also available as S275JR. Verify grade requirements per EN 1993-1-1 and the UK National Annex.

What is the mass of a 914x305x224 UB beam? 224.0 kg/m. A 12m length weighs approximately 2,688 kg.

What is the section modulus of 914x305x224 UB? S_y = 8,240 cm³ (strong axis) and S_z = 1,330 cm³ (weak axis). The plastic section modulus Z_y = 5,272 cm³.

Related Pages


Educational reference only. Verify all section properties against the current British Steel / Tata Steel section catalogue and BS 4-1 before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.