PROPRIETARY Hypocore Magnetic and electrical materials

Material group: Ferrous Alloys / Magnetic and electrical materials
Country / Standard: PROPRIETARY

Data updates

Latest Update: 2021-07
Total number of updates: 2
Update History
2019-09

This material has 54 properties — only a subset is shown here.

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PROPRIETARY Hypocore Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.01
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
5.00
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
0.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
val1
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UNIT
%
CAS NUMBER
7439-89-6
CRITERIA
Mn
VALUE
val1
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UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3

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PROPRIETARY Hypocore Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
159.3 — 210 GPa
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Electrical Resistivity
0.52 Ω∙mm²/m
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Density
val1
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kg/dm³
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Heat Capacity
val1
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J/(kg∙°C)
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Thermal Conductivity
25.5 W/(m∙°C)
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Electrical Conductivity
val1
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S/m
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Poisson Coefficient
val1
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This material has 54 properties — only a subset is shown here.

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PROPRIETARY Hypocore Heat Treatments

  • Annealing: It is important to avoid any contamination of the finished parts going into and during the heat treatment. All parts must be cleaned thoroughly to remove any surface contaminants prior to annealing. A dry hydrogen atmosphere or a high vacuum is recommended to minimize oxide contamination of the parts during annealing. When hydrogen is employed, the entry dew point should be dryer than -51°C (-60°F) and the exit dew point dryer than about -40°C (-40°F) when the inside retort temperature is above 482°C (900°F). A full magnetic anneal should be carried out at 1180°C (2150°F) for 2 to 4 hours in an inert atmosphere or vacuum. Cooling rates should be between 83°C (150°F)/h and 222°C (400°F)/h. This heat treatment will lead to exceptional A.C. and D.C. magnetic properties and lower strength. A full magnetic anneal should be used when maximum magnetic performance is the most critical attribute for the lamination.

    Stress Relieving: It is important to avoid any contamination of the finished parts going into and during the heat treatment. All parts must be cleaned thoroughly to remove any surface contaminants prior to stress relieving. Stress relief annealing should be carried out at 850°C (1562°F) for 1 to 4 hours in an inert atmosphere or vacuum. Cooling rates should be between 83°C (150°F)/h and 222°C (400°F)/h. This heat treatment will lead to the ascribed A.C. and D.C. magnetic properties and result in the documented strength. Stress relieving should be used when cost/capability restrict employing a full anneal or when elevated strength is desired.

PROPRIETARY Hypocore Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
344.7 — 461.9 MPa
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Elongation, A
8 — 17 %
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Yield Strength, Rp0.2
275.8 — 344.7 MPa
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  • -Cross References
  • 6Composition
  • 12Mechanical Properties
  • 30Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • 4Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers