Home » mcq » chemistry » ________ gives hardness to stainless steel. A. Zinc B. Lead C. Carbon D. Tin
Zinc
Lead
Carbon
Tin
Answer is Right!
Answer is Wrong!
The correct answer is Carbon.
Carbon is the main alloying element in stainless steel, and it is responsible for the steel’s strength and hardness. The amount of carbon in stainless steel is typically between 0.08% and 2.00%. The higher the carbon content, the stronger and harder the
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steel will be. However, too much carbon can make the steel brittle.
Zinc, lead, and tin are not typically used as alloying elements in stainless steel. Zinc is sometimes used to improve the corrosion resistance of stainless steel, but it does not significantly affect the strength or hardness of the steel. Lead and tin are not typically used in stainless steel at all.
In addition to carbon, other alloying elements that are sometimes used in stainless steel include chromium, nickel, molybdenum, and manganese. These elements can improve the steel’s corrosion resistance, strength, toughness, and other properties.
The type of stainless steel that is used for a particular application depends on the specific requirements of that application. For example, a stainless steel that is used for food processing equipment needs to be corrosion resistant and easy to clean, while a stainless steel that is used for structural applications needs to be strong and ductile.