The Answers to 7 Common Questions About Weathering Steel (aka Corten
COR-TEN (or simply Corten) is the trademark name for a steel also known as Weathering Steel. The COR relates to corrosive resistance while the TEN relates to it having high tensile strength. The recipe of alloys prescribed for Corten steel or Weathering Steel, whichever you choose to call it, is what gives this steel the unique qualities it has.