This course is a slimmed down version of the CWI course for those who just want to brush up on the following module. Module 8: Welding Metallurgy - in this module we will dive into the subject of physical metallurgy. We will cover some of the following subjects such as basics of metallurgy, basics of welding metallurgy, metallurgy of carbon and low alloy steels and metallurgy of stainless steels.