Slag Functions

Question 1

When slag forms over the weld, oxygen and nitrogen are __________ until the weld cools.

Answer 1

Excluded

Question 2

Slag is responsible for removing __________ from the molten weld pool and floats them to the surface.

Answer 2

Impurities

Question 3

Slag __________ the rate of cooling, allowing the __________ properties to improve.

Answer 3

Slows down

Physical