A.0.2 percent selenium is added
B.0.35 percent sulphur is added
C.0.5 percent manganese is added
D.(A) and (B) above
E.(B) or (C) above
Related Mcqs:
- In order to improve machinability of steels, the treatment generally done is
- The stainless steels owe their resistance to corrosion to the presence of
- High carbon steels intended to be quenched in water should have manganese percentage less than
- Austenitic stainless steels contain chromium and nickel in amounts required to assure that even at room temperatures, the steels retain their crystalline structures, which are
- The counteract the increased sulphur percentage
- In order to lower the cutting forces and also to decrease the cutting wear, alloying element generally added to steel for free machining is
- Carbon percentage in cutlery stainless steel is
- Chromium percentage in cutlery stainless steel is
- Free cutting steels usually have sulphur content of
- An operation on steel aimed at softening the steel to improve machinability is known as
