What is Corten steel ?



Let’s say it in brief, it is kind of special steel, the feature is that the Corten steel has long life in outdoor, it will get rust in outdoor naturally, but unlike the other steel, the rust on it won’t get off and the rust layer provide a protection which makes it has long life, also the rust layer provide the decoration effect with natural rust color.

So it is used for the outdoor environment which has the anti-rust and decoration requirement, like the railway track, the curtain wall of the modern building, the modern sculpture, etc. Well, you can see the accurate explanation and definition of the Corten steel on Wiki if you are interested.

corten steel

So now we know it is very good steel material, it can be used for outdoor, will get rust but with much longer life than normal steel. It is the perfect material for the outdoor laser cut screens. Rust is the cancer of steel, if the screens get rust, it is no longer a decorative product, it is destroyed. But we won’t have the problem if we use Corten steel for the laser cut screens.




Also, the natural rust layer on it provides the decorative color. The natural rust color and the mark is always changing and moving, it is the only and irreplaceable. The color will get darker and darker, and the rust extent and position is moving by the flushing of the wind and rain, it increases the decoration effect of the laser cut screens invisibly.

Now there are professional factory producing the protection oil for the Corten steel to increase its life further, it is like kind of varnish, it increase the adhesion of the rust and prevent the rust get inside. If you cannot find the professional oil, just using some wood vanish which is also helpful.

Australian like to call the “Corten steel” mild steel, which may cause the misunderstanding often, normally the translation of the mild steel is low carbon steel, which is much cheaper than Corten steel and the features are quite different. So both of the importer and the seller need to pay attention to the name and the translation of the Corten steel, in case there is misunderstanding which may cause the lost.