Q221
Corrosion resistance of steel is increased by addition of
A.
Chromium and nickel
AnswerB.
Sulphur, phosphorus, lead
C.
Vanadium, aluminium
D.
Tungsten, molybdenum, vanadium, chromium
Answer: Option A
Solution
Answer: Option A
Solution:
Nickel (Ni): Nickel is added in large amounts, over about 8%, to high Chromium stainless steels to form the most important class of corrosion and heat resisting steels.