Question: is alloy steel stainless steel?
Answer: Stainless steel is an alloy of steel with a minimum of 10.5% and up to 30% chromium that gives this steel its unique properties. ... a) Austenitic – Austenitic Stainless Steels are classed as the 200 and 300 series and the alloying elements are basically steel with 18% chromium and 8% nickel and low carbon content.