Related Questions

The term high alloy steels is used for alloy steels containing more than ___ of alloying elements.
Assertion 'a': During casting of aluminium, grain refinement can be achieved by addition of certain alloying elements.
Reason 'r': The addition of the alloying elements may result in the formation of deoxidation products or intermetallic compounds which may act as nucleation sites for grain refinement.
Assertion 'a': Hardenability of steel can be increased by adding certain alloying elements.
Reason 'r': The alloying elements can provide a fine dispersion of alloy carbides
Maraging steels have high strength due to _________
Apart from alloying, name a material that is used instead of ferritic steels to increase the ultimate strength of unalloyed steels.
Maraging steels derive their strength from the following mechanism:
Maraging steels are ____________
In maraging steels, carbon is present as an impurity and is generally kept below . . . . . . . . percent.
Which of the following pairs regarding the effect of alloying elements in steels are not matched correctly?
Steels containing up to 3% to 4% of one or more alloying elements are known as ________