Question

Which of the following are applications of Ferritic stainless steels?

(a) Aircraft engine parts, heat exchangers

(b) Milk, kettles

(c) Oil burner parts, furnace elements

(d) Pumps and valve parts

I have been asked this question at a job interview.

Enquiry is from Stainless Steels & Other Steels in section Diffusion in Solids & Ferrous Materials of Engineering Material & Metallurgy

Answer 1

Correct choice is (c) Oil burner parts, furnace elements

The explanation: Ferritic stainless steels have the ability to be welded, forged, rolled, and machined. They are used for making oil burner parts and furnace elements. Austenitic stainless steel is used to make engine parts, milk cans; Pumps and valve parts are applications of martensitic stainless steels.