1. Steels are among the most commonly used materials in various applications. In general,
they are categorized into low, medium, and high carbon steels, each designed for specific
applications. Answer the following questions:
a. List the main applications of low-carbon and high-carbon steels, and explain
the reasons behind their usage.
b. Explain the purpose of spheroidizing treatment in steel and identify the types
(class) of steels suitable for this treatment.
c. A kitchen knife made of martensitic stainless steel develops corrosion pits
after prolonged use. Briefly explain the possible reasons for this corrosion.