REDCOR® Corten Steel

REDCOR® steel stands as a premium alternative to imported weathering steels, proudly manufactured in Australia by BlueScope®. Specifically engineered to endure the harsh Australian conditions, this cold-rolled steel offers exceptional performance and reliability.

By choosing REDCOR® steel, you not only support local Australian manufacturing but also gain access to a high-quality material tailor-made for the challenging Australian environment.

Corten Steel Garden Redcor Edging FormBoss

What You Need To Know About REDCOR® Corten Steel

REDCOR® steel has an increased resistance to corrosion as it forms a protective layer of oxide on its surface which regenerates as required over the steels life.
The steel will appear light grey almost polished when first purchased off the shelf. This is simply because it is supplied to us with a thin film of oil on the outer layer, ensuring it doesn’t start rusting on the shelf. It will take anywhere from a few weeks to 4 months to get an even coating of rust.

Why is my new Corten steel not like the photos?

REDCOR® steel will appear light grey almost polished when first purchased off the shelf. This is simply because it is supplied to us with a thin film of oil on the outer layer, ensuring it doesn’t start rusting on the shelf. It will take anywhere from a few weeks to 4 months to get an even coating of rust. This is what it looks like before exposure to weather.
New Redcor Edging Un weathered
REDCOR® steel will appear blotchy for several months before you get a nice even coating of colour. Slight variations in colour will occur, this is due to differences in soil, air conditions and can vastly vary depending on your location. Colours can range from dark orange to a rich dark brown.
Redcor steel non weathered
redcor steel starting to rust
Over time it will continue to darken until you are left with a stunning, textured brown.

Can you make corten steel rust faster?

If you want to make your corten steel rust faster, there are a few things you can do. One way is to expose the steel to water on a regular basis. This can be done by spraying it with a hose or setting it in a tray of water. Another way is to increase the amount of oxygen that the steel is exposed to. This can be done by sanding or grinding the surface of the steel. By following these steps, you can speed up the process of making your corten steel rust.
redcor steel wheathering

What are some of the benefits of having a corten steel surface that’s rusted?

Although many people may perceive the rusty surface of corten steel edging as unappealing, there are actually several benefits associated with this type of steel. Firstly, the rust that forms on the surface serves as a protective barrier against further corrosion, effectively shielding the steel from further rusting. In addition, the formation of rust creates a unique patina that can be visually appealing. Moreover, corten steel is highly resistant to abrasion and high temperatures, making it an ideal material for various industrial and construction applications. Therefore, despite its initial perceived drawback, corten steel’s rusty surface actually provides many advantages.

Are there any drawbacks to making corten steel rust faster?

Corten steel is a type of steel that gradually corrodes, resulting in a rust-like patina on its surface. This unique finish has been utilized in architectural and sculptural projects around the globe. However, some architects and designers are now intentionally accelerating the rusting process to achieve a more weathered appearance. While this can create an interesting effect, there are potential drawbacks to consider. One potential disadvantage of this accelerated corrosion is the increased risk of structural weakness and instability over time. Additionally, rust stains produced by corten steel can be challenging to remove, requiring regular maintenance to keep the surface looking its best. Therefore, carefully considering the pros and cons of using corten steel, as with any material, is crucial before making a final decision.

How long will it take for corten steel to rust if you don’t do anything to speed up the process?

Corten steel is a type of steel that develops a protective layer of rust when it is exposed to the elements. This layer of rust helps to protect the steel from further corrosion. However, if you do not take steps to speed up the process, it can take from a few weeks to 4 months for the corten steel to develop a full protective layer. The exact amount of time it will take depends on a number of factors, including the type of environment in which it is located.
FormBoss Redcor Steps

How can you protect other surfaces from rust if you’re trying to speed up the rusting process on corten steel ?

One way to protect other surfaces from rust is to use a sacrificial metal. This is a metal that will corrode before the Corten steel, thus protecting the Corten steel from rust. The most common sacrificial metals are zinc and aluminum. You can also use an inhibitor, which is a substance that slows down the rusting process. Rust inhibitors are typically applied to Corten steel before it is exposed to the elements. In this way, they form a barrier between the steel and the oxygen and water that cause rusting. Finally, you can coat the Corten steel with a sealant or paint. This will provide a barrier against oxygen and water, and it will also help to hide the rusty appearance of the steel.

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