The Quenching Process. Film Boiling. Film boiling, also known as the "vapor blanket" stage, occurs upon initial immersion. Contact between the hot metal surface and … Nucleate Boiling. Convective Heat Transfer.
FAQ what type of oil is used for quenching
What type of quenching oil should I use?
One of the common metal and oil combinations are mineral oils and oil-hardened steels, because it acts as an intermediate-rate quenchant. Many food grade oils are both biodegradable and much cheaper than commercial quench oils. The factor at the forefront of many blacksmiths’ minds when choosing a quenching oil, is its cost.
Why is hardening oil used as a quenching oil?
Hardening allows for better wear and edge retention. Food grade oils are commonly used as a quenching oil for a few reasons. First, they are much cheaper than commercial quenching oils.
What is the difference between water and oil quenching?
Water was the traditional quenching medium. However, oil quenching produces superior quality. Oil does not boil as quickly as water. This allows the parts to absorb more initial heat and cool for longer periods of time. It is a superior quenching heat treatment, and including certain additives in the oils customize results.
What is the best quenchant for food grade oil?
One of the common metal and oil combinations are mineral oils and oil-hardened steels, because it acts as an intermediate-rate quenchant. Many food grade oils are both biodegradable and much cheaper than commercial quench oils.
Which Quenching Oil is Best for Knives?
REVEALED: Roy's Mysterious Quenching Oil for Blacksmithing
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