460UB144 AS/NZS 3679.1 Grade 300 — Australian Universal Beam Section Properties

460UB144 is an Australian UB (Universal Beam) per AS/NZS 3679.1 hot-rolled structural steel section. Standard Australian UB dimensions. Verify against Liberty OneSteel / InfraBuild section catalog.

Dimensions (Metric)

Property Value Unit
Depth (d) 460 mm
Flange Width (bf) 190 mm
Flange Thickness (tf) 20.0 mm
Web Thickness (tw) 11.0 mm
Cross-Sectional Area (A) 122.2 cm²
Mass 144.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 43,601 2,291 cm⁴
Elastic Section Modulus (S) 1,896 241 cm³
Plastic Section Modulus (Z) 2,157 374 cm³
Radius of Gyration (r) 18.89 4.33 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 120 cm⁴
Distance Between Flange Centroids (ho) 44.00 cm

Design Resources

Frequently Asked Questions

What is the 460UB144 section depth? The 460UB144 has a nominal depth of 460mm and a flange width of 190mm. The UB is part of the 460mm depth series.

What steel grade is standard for 460UB144? Typically AS/NZS 3679.1 Grade 300 per AS/NZS 3679.1. Also available as Grade 300PLUS, Grade 350, Grade 400. Verify grade requirements with project specifications.

What is the mass of a 460UB144 beam? 144.0 kg/m. A 12m length weighs approximately 1,728 kg.

What is the section modulus of 460UB144? Sx = 1,896 cm³ (strong axis) and Sy = 241 cm³ (weak axis). The plastic section modulus Zx = 2,157 cm³.

Related Pages


Educational reference only. Verify all section properties against the current Liberty OneSteel / InfraBuild section catalog and AS/NZS 3679.1 before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.