PROPRIETARY HYMU 80 Nickel Alloys

Material group: Nonferrous Alloys / Nickel Alloys

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2021-07

Total number of updates: 3

Update History

2020-12 2016-02

This material has 64 properties — only a subset is shown here.

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PROPRIETARY HYMU 80 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.02

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

Balance

UNIT

CAS NUMBER

7439-89-6

CRITERIA

VALUE

4.20

UNIT

CAS NUMBER

7439-98-7

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-02-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

Carpenter Technology Corporation, Product Data Sheets,

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PROPRIETARY HYMU 80 Physical Properties

Temperature

≤ 0°C 0 - 30°C 30 - 100°C 100 - 300°C ≥ 300°C

PROPERTY / VALUE

Modulus of Elasticity

185 — 232 GPa

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Electrical Resistivity

0.58 Ω∙mm²/m

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Density

val1 kg/dm³

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Heat Capacity

val1 J/(kg∙°C)

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Melting Temperature

val1 °C

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Thermal Conductivity

34.6 W/(m∙°C)

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Electrical Conductivity

val1 S/m

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Poisson Coefficient

val1

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This material has 64 properties — only a subset is shown here.

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PROPRIETARY HYMU 80 Heat Treatments

Annealing
In-process anneal:
To relieve all strains and restore the alloy to a soft condition suitable for drawing, spinning, forming, bending or similar operations, anneal at 788/1010°C (1450/1850°F) for not more than 1 hour. Since the high nickel, high permeability alloys readily absorb carbon, sulfur, oxygen and other contaminants from combustion furnace gasses, in-process annealing should be conducted in dissociated ammonia, hydrogen, vacuum or inert gas atmospheres.
Hydrogen annealing
For maximum softness and optimum magnetic and electrical properties, HyMu 80 should be annealed in an oxygenfree, dry hydrogen atmosphere with a dew point below -40°C (-40°F) at 1121/1177°C (2050/2150°F) for 2 to 4 hours. Furnace cool to 593°C (1100°F). From 593 to 371°C (1100 to 700°F), cool at a rate between 194 to 334°C (350 to 600°F) per hour.
Oil, grease, lacquer and all other contaminants must be removed before annealing. The individual parts should be separated by an inert insulating powder such as magnesium and aluminum oxide during hydrogen annealing.
Vacuum heat treating can be employed. Generally, there is some small sacrifice in magnetic properties compared to heat treating in a dry hydrogen atmosphere.

PROPRIETARY HYMU 80 Mechanical Properties

Temperature

0 - 30°C

PROPERTY / VALUE

Tensile Strength

531 — 931 MPa

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Elongation, A

4 — 64 %

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Impact Energy

val1 J

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Reduction of Area

val1 %

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Rockwell Hardness (HR)

val1

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Yield Strength, Rp0.2

145 — 414 MPa

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-Cross References

5Composition
29Mechanical Properties
21Physical Properties
1Heat Treatment
-Metallography
-Machinability

5Stress-Strain
-Formability
-Fatigue
-Fracture
-Creep

-Joints
-Coatings
-Dimensions
-Tribology

-Corrosion
-Ageing
-Weatherability
-Irradiation

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