Question

HPF steel is normalized at what temperature?

(a) 800°C

(b) 900°C

(c) 1000°C

(d) 1100°C

This question was addressed to me in class test.

The query is from Inverse Rate Curves for Steel in chapter Heat treatment of Metals and Alloys of Casting-Forming-Welding II

Answer 1

Correct option is (b) 900°C

Explanation: The HPF steel has to be taken to high magnitudes of temperatures. The HPF steel or the hot press forming steel gets normalized at 900°C.