The title sounds like some techy gizmo thingy right? Or some random shiny acronym that I made up? Actually, it’s the kind of metal that clads the spire of the Chrysler building.
“Enduro KA-2” metal is an austenitic stainless steel developed in Germany by Krupp and marketed under the trade name “Nirosta” (A German play-on-words for “nie rost”, meaning “never rust”)