PROPRIETARY ATI 400 Nickel Alloys

Material group: Nonferrous Alloys / Nickel Alloys

Country / Standard: PROPRIETARY

Data updates

Latest Update: 2022-11

Total number of updates: 2

Update History

2016-11

This material has 6391 properties — only a subset is shown here.

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PROPRIETARY ATI 400 Chemical Composition

CRITERIA

VALUE

UNIT

CAS NUMBER

CRITERIA

VALUE

0.02

UNIT

CAS NUMBER

7429-90-5

CRITERIA

VALUE

0.10

UNIT

CAS NUMBER

7440-44-0

CRITERIA

VALUE

32.0

UNIT

CAS NUMBER

7440-50-8

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-89-6

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-96-5

CRITERIA

Ni+Co

VALUE

val1

UNIT

CAS NUMBER

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7723-14-0

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7439-92-1

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7704-34-9

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-21-3

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-31-5

CRITERIA

VALUE

val1

UNIT

CAS NUMBER

7440-66-6

Allegheny Technologies Incorporated, Product Data Sheets,

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PROPRIETARY ATI 400 Physical Properties

Temperature

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

PROPERTY / VALUE

Modulus of Elasticity

185 — 205 GPa

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Electrical Resistivity

0.51 Ω∙mm²/m

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Density

val1 kg/dm³

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Electrical Conductivity

val1 S/m

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Heat Capacity

val1 J/(kg∙°C)

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Poisson Coefficient

val1

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This material has 6391 properties — only a subset is shown here.

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PROPRIETARY ATI 400 Heat Treatments

The anneal cycle conducted on the ATI 400 alloy is typically in the 760 to 980°C (1400 to 1800°F) range for short times at temperature. The purpose is to soften the material after forming operations while maintaining a relatively fine grain size. Annealing should be done in an atmosphere as free of sulfur compounds as possible since sulfur will embrittle the material in extended exposure time at the anneal temperature range. A low temperature stress relief may be conducted on cold deformed material by heating to approximately 300°C (575°F) for 1 to 3 hours. A large percentage of the ATI 400 alloy is put into service without final heat treatment. This is done to increase the strength of the material.

PROPRIETARY ATI 400 Mechanical Properties

Temperature

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

PROPERTY / VALUE

Tensile Strength

550 — 760 MPa

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Elongation, A

val1 %

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Impact Energy

val1 J

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Yield Strength, Rp0.2

val1 MPa

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-Cross References

12Composition
27Mechanical Properties
17Physical Properties
1Heat Treatment
-Metallography
-Machinability

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

-Joints
-Coatings
-Dimensions
-Tribology

6333Corrosion
-Ageing
-Weatherability
-Irradiation

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