QUENCHING (2250°F max)
Quenching
is an integral part of hardening via water-quench, oil-quench, forced-
or still-air quench,solution anneal and age, resulting in improved mechanical
properties, hardness, and toughness of the alloy material.
Water Quench
(Up to 2250°F) & Tempering (350 - 1200°F):
Water quenching is applied to water-hardening medium
carbon and low carbon alloy grades of steel for improved strength, hardness,
and toughness in light to moderate sections sizes. This treatment is
also used in solution annealing of various ferrous and nonferrous alloys
for improved corrosion resistance, or as a precursor to precipitation
or age hardening.
Oil Quench
(Up to 2250°F) & Tempering (350 - 1200°F):
This process is applied to oil-hardening medium-to-high
carbon and medium-to-high carbon alloy grades of steel for improved
strength, hardness, and toughness in moderate to heavy section sizes.
Forced-Air
Quench (Up to 2250°F) & Tempering (350 - 1200°F):
This process is applied to medium carbon low alloy
grades of steel for improved strength, hardness, and toughness with
reduced risk of distortion. This treatment is also used in solution
annealing of various ferrous and nonferrous alloys for improved corrosion
resistance, or as a precursor to precipitation or age hardening.
Still-Air
Quench (Up to 2250°F) & Temper (350 - 1200°F):
This process is applied to air-hardening grades
of steel for improved strength, hardness, and toughness with reduced
risk of distortion. This treatment is also used in solution annealing
of various ferrous and nonferrous alloys for improved corrosion resistance,
or as a precursor to precipitation or age hardening.
Selective
Quench (Up to 2250°F):
Selective quench is applied to parts requiring
a select area to be hardened without affecting the remainder of the
part.
Time-Controlled
Quench (Up to 2250°F):
Time-controlled quench is sometimes applied to crack sensitive
parts. This process comprises parts being quenched in a fast quenching
medium for a given time period before being quenched in a slower quench
medium to avoid cracking while maintaining maximum hardness.