PROPRIETARY Alloy 725 Nickel Alloys

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

Data updates

Latest Update: 2020-10
Total number of updates: 1
Update History

This material has 44 properties — only a subset is shown here.

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PROPRIETARY Alloy 725 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.35
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.03
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
19.0 – 22.5
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
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Nb+Ta
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6

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PROPRIETARY Alloy 725 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
185 — 205 GPa
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Electrical Resistivity
1.14 Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Heat Capacity
val1
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J/(kg∙°C)
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Thermal Conductivity
10.6 W/(m∙°C)
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Poisson Coefficient
val1
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This material has 44 properties — only a subset is shown here.

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PROPRIETARY Alloy 725 Heat Treatments

  • Melting can be undertaken by Electric Arc Furnace, followed by Argon Oxygen Decarburisation or Vacuum Oxygen Decarbonisation and then Vacuum Arc Remelting. Annealing shall be carried out at a temperature above 1040°C, allowing sufficient time for full annealing to take place. The material should be cooled rapidly, air cooling is preferred.

PROPRIETARY Alloy 725 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 1034 MPa
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Elongation, A
≥ 20 %
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Reduction of Area
val1
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%
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
≥ 827 MPa
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  • 4Cross References
  • 12Composition
  • 12Mechanical Properties
  • 12Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • 2Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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