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A nickel-chromium alloy can maintain its ductility even after being heat-treated it to an ultimate tensile strength of 250,000 p.s.i.(a) True(b) FalseI got this question by my school principal while I was bunking the class.This interesting question is from Properties of Steel and its Alloys in section Steel and its Alloys of Aerospace Materials & Processes

Answer»

Right choice is (a) True

The explanation: The above statement is true. Chromium is a very advantageous material that GIVES hardness, STRENGTH and CORROSION RESISTANCE to steel when it is added to it. Combining it with nickel also results in good properties.



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