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Corten is no longer produced in the United States.

CorTen is a trade name for a steel alloy material originally produced by United States Steel.

Corten is a weathering steel. This material is a corrosion resistant steel, that left uncoated develops an outer layer patina. This patina protects the steel from additional corrosion. It is a high strength steel alloy, and it is used where higher strength and longer life cycle material are desired. Especially in situations where untreated alloys are desired. Alternately spelled as Cor 10.

As Cor-Ten became more popular over the years other producing mills began to develop their own atmospheric corrosion resistant weathering steels. ASTM stepped in and created what is considered equivalent specifications to Cor-Ten® in most applications.

The applicable equivalent ASTM specifications are ASTM A588, A242, A606-4, A847 and A709-50W, which Central Steel Service supplies in various products including, sheet, coil, plate, steel flats, angles, channels, pipe & tube.

Certain of these ASTM alloys are more appropriate for an application then others. Central Steel Service specializes in the applications for Corten as well as the ASTM weathering steel materials which replace it for particular applications.

Cenral Steel Service is a stocking distributor of cor-ten steel plate ASTM equivalents in sheet, coil, angles, & more. Central Steel provides help in choosing replacement ASTM materials. Call our in house experts for recommendations.

Do You Need The Standard?
ASTM Standards

See Our Cor-Ten® ASTM Equivalents in

Corten Steel Equivalent Coil & Sheet

Corten Steel Equivalent Steel Plate

Corten Steel Equivalent Steel Angle

Corten Steel Equivalent Steel Flats

Corten Steel Equivalent Channel, Rounds & Squares

Corten Steel Equivalent Pipe & Tube

Corten Steel Equivalent Beam & MC Channel