Stainless steel: 276 is a group of ferrous alloys that contain a minimum of approximately 11% chromium,: 3 a composition that prevents the iron from rusting and also provides heat-resistant properties.: 3 Different types of stainless steel Perfect Steerable Transfer Cartlude the elements carbon (from 0.03% to greater than 1.00%), nitrogen, aluminium, silicon, sulfur, titanium, nickel, copper, selenium, niobium, and