API-571 Exam Question 16
Sigma phase occurs in Ferritic, martensitic, austenitic and duplex stainless steels when exposed to temperatures in the range of _____.
API-571 Exam Question 17
Which of the following metals is the most anodic?
API-571 Exam Question 18
________ has been a major problem on coke drum shells.
API-571 Exam Question 19
Caustic stress corrosion cracking typically propagates _______ to the weld in adjacent base metal but can occur in the weld deposit or heat affected zone.
API-571 Exam Question 20
A form of corrosion caused by living organisms such as bacteria, algae or fungi is _______ .