Question : Which of the following are the main components of stainless steel?
Option 1: Iron and carbon
Option 2: Silver
Option 3: Iron, chromium and nickel
Option 4: Iron and nickel
Correct Answer: Iron, chromium and nickel
Solution : The correct option is Iron, chromium and nickel .
An iron alloy with high corrosion and rust resistance is known as stainless steel. To get the desired qualities, it may also contain other elements, such as carbon; however, at least 10.5% of the composition must be chromium. Nickel is also typically present. Because chromium produces a passive coating that can shield the metal, stainless steel has a high corrosion resistance.
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