Question

Aluminium alloys also have a system that indicates temper.

(a) True

(b) False

This question was posed to me during an online exam.

Question is from Wrought Aluminium and it’s Alloys topic in section Wrought Aluminium Alloys of Aerospace Materials & Processes

Answer 1

Correct answer is (a) True

The explanation: Aluminium alloys have a system of designation that is denoted by four digits. The four digits are followed by the temper designation. It consists of the letters O, F, H and T after which there is a number. They represent annealed, fabricated and strain hardened respectively.