•.•Nitride process case hardening resulting in superior tool life and exceptional corrosion resistance.• Nitride coating creates a case hardened surface that is resistant to rust, heat and extends tool life.
• Cryogenic treatment at -300º F increases toughness while reducing brittleness.• Nitride coating creates a case hardened surface that is resistant to rust, heat and extends tool life.•.•Nitride process case hardening resulting in superior tool life and exceptional corrosion resistance.