460UB101 AS/NZS 3679.1 Grade 300 — Australian Universal Beam Section Properties

460UB101 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) 14.0 mm
Web Thickness (tw) 7.5 mm
Cross-Sectional Area (A) 85.6 cm²
Mass 101.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 31,503 1,602 cm⁴
Elastic Section Modulus (S) 1,370 169 cm³
Plastic Section Modulus (Z) 1,536 259 cm³
Radius of Gyration (r) 19.18 4.33 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 41 cm⁴
Distance Between Flange Centroids (ho) 44.60 cm

Design Resources

Frequently Asked Questions

What is the 460UB101 section depth? The 460UB101 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 460UB101? 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 460UB101 beam? 101.0 kg/m. A 12m length weighs approximately 1,212 kg.

What is the section modulus of 460UB101? Sx = 1,370 cm³ (strong axis) and Sy = 169 cm³ (weak axis). The plastic section modulus Zx = 1,536 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.