Archives for November 2023

Preheat: Heat material to 1400°F (760°C) Equalize. Austenitize: For Max Toughness heat to 1950°F – 1975°F. Hold that temperature for 45-60 minutes. For Max Edge Retention – 2050°F, hold time at temperature 45-60 minutes. Quench: Oil or positive pressure (4 bar minimum) to below 125°F (50°C), or salt quench to about 1000°F (540°C), then air […]