QuesTek® Innovations Ferrium® C61™ Case-hardened Gear Steel with Ultrahigh-strength Core

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QuesTek® Innovations Ferrium® C61™ Case-hardened Gear Steel with Ultrahigh-strength Core
Categories:	Metal; Ferrous Metal; Alloy Steel
Material Notes:	Description: Ferrium® C61™ 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, a superior combination of properties can be attained for a given application. Ferrium® C61™ was designed to provide carburized surface properties similar to conventional gear steels such as AISI 9310 and EN36C with the added benefit of an ultra high-strength core along with excellent fracture toughness. C61™ should be considered for use in applications that require high case hardness, high strength, high toughness, and thermal resistance. C61™ has very high hardenability and only requires mild quenching. Typical Applications: Power transmission shaft, 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. The high core strength and high hardenability of Ferrium® C61™ particularly benefits structural components such as shafts with integral gearing. 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 900°F (482°C) Product Forms: Ferrium® C61™ 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 [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, Distance from Quenched End 1 3/4 [in]
Hardness, Rockwell C, Distance from Quenched End 2 [in]
Hardness, Rockwell C, Distance from Quenched End 3/4 [in]
Hardness, Rockwell C, Distance from Quenched End 1/4 [in]
Hardness, Rockwell C, Distance from Quenched End 1/2 [in]
Hardness, Rockwell C, Typical Core Hardness
Hardness, Rockwell C, Typical Case Hardness
Hardness, Vickers, Depth from Surface .070 [in]
Hardness, Vickers, Depth from Surface .045 [in]
Hardness, Vickers, Depth from Surface .029 [in]
Hardness, Vickers, Depth from Surface .02 [in]
Hardness, Vickers, Depth from Surface .014 [in]
Tensile Strength at Break
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Ultimate
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Tensile Strength, Yield
Elongation at Break
Elongation at Break
Elongation at Break
Elongation at Break
Elongation at Break
Reduction of Area
Reduction of Area
Reduction of Area
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
Fracture Toughness
Charpy Impact, V-notch
CTE, linear
CTE, linear
CTE, linear
CTE, linear
CTE, linear
Carbon, C
Chromium, Cr
Cobalt, Co
Iron, Fe
Molybdenum, Mo
Nickel, Ni
Vanadium, V

Property Data

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