Annealing: Heat to 1650?F (900?C), hold 2 hours, slow cool no faster than 25?F (15?C) per hour to 1100?F (595?C), then furnace cool or cool in still air to room temperature.

Annealed Hardness: About BHN 255

Aldelbaran 31/07/2010 nel sito Il Rasoio.com (http://www.ilrasoio.com)