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Durable Steel
Heat-treating steel changes certain attributes of the metals that comprise alloys depending on the specific use. According to Fastenal, alloy properties such as strength, hardness, ductility, toughness and wear resistance are all influenced by heat treatment.
Heat Levels
The temperature used to heat the metal may vary. According to AJH Knives, ball bearing steel needs to be forged around 2000 degrees F, yet carbon chromium spring steel is heated closer to 1650 degrees F.
Methods &Process
Alloy steels are placed into forges at high temperatures, before they go through the annealing process. During annealing, the metal is treated with a solution to harden the metal and crystallize desired components. The metal hardens and is later cooled and cleaned.