What is stainless steel?
Q: What is stainless steel?
A: Stainless steel is a steel alloy with a minimum of 10.5 or 11% chromium content by mass. It is resistant to oxidation and corrosion, and has different grades and surface finishes depending on its use.
Q: Who invented modern stainless steel?
A: Modern stainless steel was invented in 1913 by Harry Brearley in Sheffield, Yorkshire.
Q: How long did it take to develop a reliable industrial method for producing stainless steel?
A: It took about 80 years to develop a reliable industrial method for producing stainless steel.
Q: What are some common uses of stainless steel?
A: Common uses of stainless steel include cutlery, rockets, and other applications requiring resistance to oxidation and corrosion.
Q: Is there more than one grade of stainless steel?
A: Yes, there are over 150 grades of stainless steel, with fifteen being the most used.
Q: Is all stainless steels stain-proof?
A: No, not all types of stainless steels are stain-proof; the term 'corrosion resistant' is used when the alloy has less than 12% minimum chromium content.
