The critical points for steels

Related MCQs

• In a 0.2% carbon steel which has been heated above the third critical temperature on cooling at the first critical point the austenite remaining in solution is transformed to new structure called
• Hard steels and non-ferrous metal do not exhibit a definite yield point when pulled in the testing machine and for such cases a better measure of their elastic properties is defined by
• In order to improve machinability of steels, the treatment generally done is
• Coarse grained steels
• Chromium when added as an alloying element to steels
• Spring steels should have high resistance to
• Hot hardness of high speed steels increases due to the addition of
• Corrosion resistance of steels is increased by the addition of alloying elements like
• In case of eutectoid steels which one of the following structures has the maximum hardness?
• The process of reheating the hardened steel to some temperature below the critical range, followed by any rate of cooling is known as