Cor10 steel, what is it?

Cor10 steel, what is it?

I'm designing a building for a class and one of the materials I want to use is cor10 steel, but I can't find anything online about it, is it called cor10 or something else? it sounds like "cor10" but what is it really called, does anyone know anything about a metal that is called something that sounds like "cor10"

Anwser:

Weathering steel, best-known under the trademark COR-TEN steel, is a group of steel alloys which were developed to obviate the need for painting, and form a stable rust-like appearance if exposed to the weather for several years.

In some areas it may be known without the hyphen as "Corten steel".

The original Cor-Ten received the standard designation A 242 ("Cor-Ten A") from the ASTM International standards group. Newer ASTM grades are A 588 ("Cor-Ten B") and A 606 for thin sheet.

Basically Cortan is steel that is designed to oxidize (rust) which then prtotects the stel. Provided it is used in an application and an environment that does not cause the oxidation to be remove it will provide a reasonable service life. It is very bad in overlap situations and in snow and ice regions.

We are using Corten A steel for hot gas duct because of its "weather resistant" properties.

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