Ferrous and Non-ferrous Metals

Question 1

What are the three basic categories that metals are divided into?

Answer 1

Ferrous metals: Mainly ferrite or iron. Almost all magnetic. Cast iron, wrought iron, steel
Non-ferrous metals: No iron, often ductile (drawn into thinner sections) and malleable
Alloys: Mixing 2 or more metals, occasionally other metals. Ferrous and non-ferrous alloys

Question 2

What are the different heating and cooling treatment?

Answer 2

Annealing
Normalizing
Hardening (Quenching)
Tempering