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Polymer Distribution
QuesTek® Innovations Ferrium® C64™ Case-hardened Gear Steel with Ultrahigh-strength Core
Categories: Metal; Ferrous Metal; Alloy Steel

Material Notes: Description: Ferrium® C64™ is a member of a new class of martensitic secondary-hardening gear and bearing steels that utilize an efficient M2C precipitate strengthening dispersion. Because of the efficiency of this strengthening dispersion, Ferrium® C64™ achieves carburized surface hardness superior to current gear steels with the added benefit of increased core properties. C64™ should be considered for use in applications that require high case hardness, high strength, high toughness, and thermal resistance. C64™ has very high hardenability and only requires mild quenching.

Typical Applications: Power transmission shafts, gears and other demanding applications in aerospace, energy, and racing/off-road/mission-critical vehicles and other industries where weight savings, compactness, high temperature resistance and high surface fatigue resistance are valued.

Workability:
Fording: Forge at 1800-2100°F (982-1149°C)

Heat Treatment:
Normalizing: Heat uniformly to 1875°F(1024°C) and air cool..
Annealing: Heat uniformly to 1250°F(677°C), hold for 2 to 8 hours and air cool.. Hardness should be less than 327 HBW.
Carburizing and Hardening: Vacuum carburize at 1830°F (1000°C), followed by quenching in gas (1.5 Bar Nitrogen or higher) or oil medium.
Refrigerate: To obtain optimum case hardness, a refrigeration treatment at -100°F (-73°C) or lower for 1 hour is recommended. This should be performed with minimal delay after completion of the quench.
Temper: At 925°F (496°C)

Product Forms: Ferrium® C64™ is manufactured in typical ingot, bar and billet forms.

Ferrium is designed by Questek Innovations, LLC. and is manufactured by Latrobe Specialty Steel under license.

Vendors:
Available Properties
  • Density
  • Hardness, Rockwell C, Distance from Quenched End 1 3/4 [in]
  • Hardness, Rockwell C, Distance from Quenched End 2 [in]
  • Hardness, Rockwell C, Distance from Quenched End 1/4 [in]
  • Hardness, Rockwell C, Distance from Quenched End 1/2 [in]
  • Hardness, Rockwell C, Distance from Quenched End 3/4 [in]
  • Hardness, Rockwell C, Distance from Quenched End 1 [in]
  • Hardness, Rockwell C, Distance from Quenched End 1 1/4 [in]
  • Hardness, Rockwell C, Distance from Quenched End 1 1/2 [in]
  • Hardness, Rockwell C, Typical Core Hardness
  • Hardness, Rockwell C, Typical Case Hardness
  • Tensile Strength, Ultimate
  • Tensile Strength, Yield
  • Elongation at Break
  • Reduction of Area
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fatigue Strength
  • Fracture Toughness
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • CTE, linear
  • Carbon, C
  • Chromium, Cr
  • Cobalt, Co
  • Iron, Fe
  • Molybdenum, Mo
  • Nickel, Ni
  • Tungsten, W
  • Vanadium, V
  
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