Mushet steel belongs to which group of tool steels?
(a) Oil-hardening steels
(b) Air-hardening steels
(c) High-speed steels
(d) Hot-working steels
I have been asked this question at a job interview.
This interesting question is from Stainless Steels & Other Steels topic in portion Diffusion in Solids & Ferrous Materials of Engineering Material & Metallurgy