410UB100 AS/NZS 3679.1 Grade 300 — Australian Universal Beam Section Properties

410UB100 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) 410 mm
Flange Width (bf) 180 mm
Flange Thickness (tf) 15.5 mm
Web Thickness (tw) 8.0 mm
Cross-Sectional Area (A) 86.1 cm²
Mass 100.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 25,351 1,508 cm⁴
Elastic Section Modulus (S) 1,237 168 cm³
Plastic Section Modulus (Z) 1,388 257 cm³
Radius of Gyration (r) 17.16 4.18 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 51 cm⁴
Distance Between Flange Centroids (ho) 39.45 cm

Design Resources

Frequently Asked Questions

What is the 410UB100 section depth? The 410UB100 has a nominal depth of 410mm and a flange width of 180mm. The UB is part of the 410mm depth series.

What steel grade is standard for 410UB100? 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 410UB100 beam? 100.0 kg/m. A 12m length weighs approximately 1,200 kg.

What is the section modulus of 410UB100? Sx = 1,237 cm³ (strong axis) and Sy = 168 cm³ (weak axis). The plastic section modulus Zx = 1,388 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.