High Speed Steels HSS

Question 1

What are they used for?

Answer 1

-High speed cutting tools

Question 2

Characteristics of HSS?

Answer 2

-can resist softening at red heat temp
-wear resistance
-high hardness
-edge retention

Question 3

What are the two types of HSS?

Answer 3

-(Grade M) Molybdenum

-(Grade T) Tungsten

Question 4

What contributes to the hardness?

Answer 4

-chromium
-vanadium
-tungsten
-molybdenum