The mechanical properties of a steel include its stiffness, hardness, strength, and malleability. Which of the following is not a process for improving one of these properties?
Structural materials are the materials used in an object to resist a force, such as the tension in a cable or the weight of a car on a bridge. Listed in the table are five properties of a structural material.
|Property||Strength||Reactivity||Density||Melting point||Cost per gram|
Cans used for the storage of food and drink often consist of steel with a thin protective layer of tin.
For which of the listed properties does tin display a higher value than steel?
Which two of the listed properties necessitate the use of steel in food cans?
Which of the listed properties necessitates the use of tin in food cans?
Steel is produced by blowing high-temperature air through molten pig iron, which is the impure iron generated in a blast furnace. What is the main purpose of air in this process?