PROPRIETARY ATI 720 Alloy Nickel Alloys

Material group: Nonferrous Alloys / Nickel Alloys
Country / Standard: PROPRIETARY

Data updates

Latest Update: 2016-11
Total number of updates: 1
Update History

This material has 16 properties — only a subset is shown here.

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PROPRIETARY ATI 720 Alloy Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
2.45 – 2.65
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
B
VALUE
0.01 – 0.02
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
0.006 – 0.012
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
val1
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UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7
CRITERIA
Zr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-67-7

Allegheny Technologies Incorporated, Product Data Sheets,

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PROPRIETARY ATI 720 Alloy Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
185 — 205 GPa
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Density
7.9 — 8.8 kg/dm³
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Poisson Coefficient
0.32 — 0.34
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This material has 16 properties — only a subset is shown here.

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PROPRIETARY ATI 720 Alloy Heat Treatments

  • For a typical fine grain disk application, the following heat treatment may be used:
    1. Solution heat treat 4 hours at 1080-1100°C (1975-2030°F) and oil quench.
    2. Age 24 hours at 650°C (1200°F), air cool, followed by 16 hours at 760°C (1400°F), air cool.
    Another heat treatment requires the solution heat treatment with a different age cycle, resulting in a grain size in the ASTM 4 to 8 range. This heat treatment is a 4 hour age at 843°C (1550°F), air cooling to 760°C (1400°F) and holding for 16 hours, followed by an air cool.

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  • -Cross References
  • 10Composition
  • -Mechanical Properties
  • 4Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
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  • -Irradiation
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