200UC118 AS/NZS 3679.1 Grade 300 — Australian Universal Column Section Properties

200UC118 is an Australian UC (Universal Column) per AS/NZS 3679.1 hot-rolled structural steel section. Standard Australian UC dimensions. Verify against Liberty OneSteel / InfraBuild section catalog.

Dimensions (Metric)

Property Value Unit
Depth (d) 210 mm
Flange Width (bf) 210 mm
Flange Thickness (tf) 17.0 mm
Web Thickness (tw) 10.5 mm
Cross-Sectional Area (A) 89.9 cm²
Mass 118.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (X-X) Weak Axis (Y-Y) Unit
Moment of Inertia (I) 7,143 2,626 cm⁴
Elastic Section Modulus (S) 680 250 cm³
Plastic Section Modulus (Z) 770 380 cm³
Radius of Gyration (r) 8.91 5.40 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 76 cm⁴
Distance Between Flange Centroids (ho) 19.30 cm

Design Resources

Frequently Asked Questions

What is the 200UC118 section depth? The 200UC118 has a nominal depth of 210mm and a flange width of 210mm. The UC is part of the 200mm depth series.

What steel grade is standard for 200UC118? 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 200UC118 beam? 118.0 kg/m. A 12m length weighs approximately 1,416 kg.

What is the section modulus of 200UC118? Sx = 680 cm³ (strong axis) and Sy = 250 cm³ (weak axis). The plastic section modulus Zx = 770 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.