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Customer Service: Glossary of Aluminum Terms

Quarter Hard

Applicable to strain hardened (cold worked) alloys where the degree of strain hardening is approximately 1/4 of the way between O temper and the full hard condition (HX8).

Quarter Buckle

Undulation (wavy region) which occur approximately at both quarter points across the width.

Quenching

  1. Rapid cooling.
  2. In the heat treating of metals, the step of cooling metals rapidly in order to obtain desired properties; most commonly accomplished by immersing the metal in oil or water.