QuesTek® Innovations Ferrium® C64™ Case-hardened Gear Steel with Ultrahigh-strength Core

Category	Metal , Ferrous Metal , Alloy Steel
Manufacturer	QuesTek® Innovations
Trade Name	Ferrium®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	QuesTek® Innovations Ferrium® C64™ Case-hardened Gear Steel with Ultrahigh-strength Core.pdf
Price	EMAIL US sales@lookpolymers.com

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.

Physical Properties	Metric	English	Comments
Density	7.98 g/cc	0.288 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	42.5	42.5	Distance from Quenched End 1 3/4 [in]
	42.5	42.5	Distance from Quenched End 2 [in]
	43	43	Distance from Quenched End 1/4 [in]
	43	43	Distance from Quenched End 1/2 [in]
	43	43	Distance from Quenched End 3/4 [in]
	43	43	Distance from Quenched End 1 [in]
	43	43	Distance from Quenched End 1 1/4 [in]
	43	43	Distance from Quenched End 1 1/2 [in]
	48 - 50	48 - 50	Typical Core Hardness
	62 - 64	62 - 64	Typical Case Hardness
Tensile Strength, Ultimate	1580 MPa	229000 psi
Tensile Strength, Yield	1370 MPa @Strain 0.200 %	199000 psi @Strain 0.200 %
Elongation at Break	18 %	18 %
Reduction of Area	75 %	75 %
Flexural Strength	1520 MPa @# of Cycles 330000	220000 psi @# of Cycles 330000
	1520 MPa @# of Cycles 550000	220000 psi @# of Cycles 550000
	1520 MPa @# of Cycles 1.20e+6	220000 psi @# of Cycles 1.20e+6
	1590 MPa @# of Cycles 130000	230000 psi @# of Cycles 130000
	1590 MPa @# of Cycles 250000	230000 psi @# of Cycles 250000
	1590 MPa @# of Cycles 2.50e+6	230000 psi @# of Cycles 2.50e+6
	1650 MPa @# of Cycles 53000	240000 psi @# of Cycles 53000
	1650 MPa @# of Cycles 110000	240000 psi @# of Cycles 110000
	1650 MPa @# of Cycles 190000	240000 psi @# of Cycles 190000
	1690 MPa @# of Cycles 70000	245000 psi @# of Cycles 70000
	1690 MPa @# of Cycles 110000	245000 psi @# of Cycles 110000
	1690 MPa @# of Cycles 210000	245000 psi @# of Cycles 210000
	1780 MPa @# of Cycles 100000	258000 psi @# of Cycles 100000
	1780 MPa @# of Cycles 190000	258000 psi @# of Cycles 190000
	1830 MPa @# of Cycles 49000	265000 psi @# of Cycles 49000
	1830 MPa @# of Cycles 80000	265000 psi @# of Cycles 80000
	1830 MPa @# of Cycles 100000	265000 psi @# of Cycles 100000
Fracture Toughness	93.4 MPa-m½	85.0 ksi-in½

Thermal Properties	Metric	English
CTE, linear	9.32 µm/m-°C @Temperature 24.0 - 204 °C	5.18 µin/in-°F @Temperature 75.2 - 399 °F
	9.53 µm/m-°C @Temperature 24.0 - 93.0 °C	5.29 µin/in-°F @Temperature 75.2 - 199 °F
	9.57 µm/m-°C @Temperature 24.0 - 316 °C	5.32 µin/in-°F @Temperature 75.2 - 601 °F
	9.95 µm/m-°C @Temperature 24.0 - 427 °C	5.53 µin/in-°F @Temperature 75.2 - 801 °F
	10.25 µm/m-°C @Temperature 24.0 - 538 °C	5.694 µin/in-°F @Temperature 75.2 - 1000 °F

Component Elements Properties	Metric	English
Carbon, C	0.11 %	0.11 %
Chromium, Cr	3.5 %	3.5 %
Cobalt, Co	16.3 %	16.3 %
Iron, Fe	70.62 %	70.62 %
Molybdenum, Mo	1.75 %	1.75 %
Nickel, Ni	7.5 %	7.5 %
Tungsten, W	0.20 %	0.20 %
Vanadium, V	0.020 %	0.020 %

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