530UB150 AS/NZS 3679.1 Grade 300 — Australian Universal Beam Section Properties

530UB150 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) 530 mm
Flange Width (bf) 210 mm
Flange Thickness (tf) 18.5 mm
Web Thickness (tw) 11.5 mm
Cross-Sectional Area (A) 134.4 cm²
Mass 150.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 62,327 2,862 cm⁴
Elastic Section Modulus (S) 2,352 273 cm³
Plastic Section Modulus (Z) 2,686 424 cm³
Radius of Gyration (r) 21.54 4.61 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 114 cm⁴
Distance Between Flange Centroids (ho) 51.15 cm

Design Resources

Frequently Asked Questions

What is the 530UB150 section depth? The 530UB150 has a nominal depth of 530mm and a flange width of 210mm. The UB is part of the 530mm depth series.

What steel grade is standard for 530UB150? 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 530UB150 beam? 150.0 kg/m. A 12m length weighs approximately 1,800 kg.

What is the section modulus of 530UB150? Sx = 2,352 cm³ (strong axis) and Sy = 273 cm³ (weak axis). The plastic section modulus Zx = 2,686 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.