COR-TEN steel is Weathering steel, often referred to by the genericized trademark COR-TEN steel and sometimes written without the hyphen as corten steel, is a group of steel alloys which were developed to eliminate the need for painting, and form a stable rust-like appearance after several years exposure to weather.
![cor-ten-steel-letters](https://www.metalletters.co.uk/wp-content/uploads/2019/02/cor-ten-steel-letters-for-a-house-name-sign-in-italy-2019-2-1024x729.jpg)
Cor-Ten Lettering for business signs. 3mm thick, 100mm high.
Available in other sizes and many fonts. Cor-Ten letters are supplied with threaded rod fixings on the back for fixing into stone or brick walls.
Cor-Ten oxidizes into a stable weathered steel and is very popular for architectural sign solutions.
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