Identification should include characteristics of ferrous and nonferrous metals such as

• copper/nickel
• titanium
• stainless steel
• carbon
• aluminum
• cast iron
• brass.

Process/Skill Questions:

• What item would one use to identify carbon steel?
• Why is it important to understand different types of materials?
• Why is it important to know with which series of materials you are working?
• What are the effects of welding with the wrong materials?