Acciai per utensili

/Volumi/Scheda/13?p=8780 c then furnace cool or cool in still air to room


Acciai per utensili

/Volumi/Scheda/13?p=8783 hours then furnace cool or cool in still air hardened




Acciai per utensili

/Volumi/Scheda/13?p=8794 minimum each temper cool to hand warm between tempers