33. The important metal used with iron to produce stainless steel is A.Aluminium B.Chromium C.Tin D.Carbon
Answer: Option B Solution: Stainless steels are iron alloys with a minimum of 10.5% chromium. Other alloying elements are added to enhance their structure and properties such as formability, strength and cryogenic toughness. These include metals such as: Nickel.
