__________ is the name that refers to steel used in high tensile strength. (220,000-240,000 p.s.i)
(a) S.A.E 1103
(b) Carburizing
(c) Hy-Tuf
(d) S.A.E 8375
This question was addressed to me in an international level competition.
My question is taken from Advantages and Applications of Steel in section Steel and its Alloys of Aerospace Materials & Processes