1:46:56

ch 10 Materials Engineering

1:31:53

Practical Steel Metallurgy

17:58

Understanding Metals

41:39

ch 17 Materials Engineering

16:40

Quenching and tempering of steel | Heat treatment | Hardening | Martensite

19:05

Steel Metallurgy - Principles of Metallurgy

1:28:18

ch 9 Materials Engineering

15:25

How to make metal stronger by heat treating, alloying and strain hardening