ZINCALUME® steel

Roofing and Walling

BlueScope’s premium Aluminium-Zinc alloy coated steel

Engineered with precision and purpose, ZINCALUME® steel is the high quality Aluminium-Zinc alloy coated steel made exclusively by BlueScope. Since 1976, our innovative surface treatment and world-class alloy coating technology have delivered consistent, long-lasting performance you can trust.

ZINCALUME® features

Corrosion resistance

Aluminium-Zinc alloy coating provides greater protection than other coated steels.

Excellent forming capabilities

Composed of 55% aluminium, 43.5% zinc, and 1.5% silicon, it offers excellent forming capabilities and is available in high-strength grades.

Weathering resistance

Advanced passivation technology preserves material integrity and appearance.

Lustrous appearance

ZINCALUME® steel features a fine, consistent spangle with a lustrous finish, designed to stay newer for longer.

* Warranty terms and conditions apply.

Testing Stadard

Test Standard Table

COLORBOND® Finishes & Materials

High-durability coated metal sheets come in a variety of colors

The Residential Choice for Long-Lasting Quality

NS BlueScope's steel and aluminum products are engineered to set a new standard for residential construction. Compared to local alternatives, our materials deliver unmatched durability, ensuring homes stand the test of time. Designed specifically for local weather conditions, our products are not only long-lasting but also value for money, offering builders and homeowners peace of mind with every project.

Initial

2,000 hours

Cyclic Corrosion Test

Initial

2,000 hours

Cyclic Corrosion Test

Initial

2,000 hours

Cyclic Corrosion Test

Initial

2,000 hours

Cyclic Corrosion Test

Project inspirations

Learn more in SteelPedia

Product finish

ZINCALUME® steel in a metallic finish

Certified to International Standards

Our BlueScope coated and pre-painted steel products are certified by accredited bodies Zincalumey with ISO 9001:2015 and ISO 14001:2015 standards, ensuring consistent quality, reliable performance, and peace of mind.