SAE NiFe 25 Cr 20 NbTi Nickel Alloys

Material group: Nonferrous Alloys / Nickel Alloys
Country / Standard: United States / SAE

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This material has 84 properties — only a subset is shown here.

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SAE NiFe 25 Cr 20 NbTi Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.30 – 1.00
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
B
VALUE
≤ 0.008
UNIT
%
CAS NUMBER
7440-42-8
CRITERIA
C
VALUE
≤ 0.10
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
val1
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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
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

SAE J775: 2004 / Engine poppet valve information report

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SAE NiFe 25 Cr 20 NbTi Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
185 — 215 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 84 properties — only a subset is shown here.

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SAE NiFe 25 Cr 20 NbTi Heat Treatments

  • Hot forming: 1150 - 1050°C; Quenching or solution heat treatment: 1000 - 1080°C; air or water quenching; Tempering or artifical aging 690 to 710°C/ 16h; air cooling.

SAE NiFe 25 Cr 20 NbTi Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
900 — 1100 MPa
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Elongation, A
≥ 25 %
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
val1
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MPa
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Reduction of Area
val1
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%
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  • 45Cross References
  • 11Composition
  • 18Mechanical Properties
  • 8Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • 1Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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