PROPRIETARY 18CrNi4A Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: PROPRIETARY

Data updates

Latest Update: 2021-03
Total number of updates: 3
Update History
2015-11 2015-09

This material has 76 properties — only a subset is shown here.

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PROPRIETARY 18CrNi4A Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.1500 – 0.2000
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.8000 – 1.1000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.3000 – 0.6000
UNIT
%
CAS NUMBER
7439-96-5
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

China Aeronautical Materials Handbook, 2001

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PROPRIETARY 18CrNi4A Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Electrical Resistivity
val1
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Ω∙mm²/m
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Density
val1
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kg/dm³
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Heat Capacity
val1
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J/(kg∙°C)
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Thermal Conductivity
val1
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W/(m∙°C)
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Electrical Conductivity
val1
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S/m
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Poisson Coefficient
val1
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Service Temperature
val1
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°C
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Shear Modulus
val1
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GPa
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This material has 76 properties — only a subset is shown here.

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PROPRIETARY 18CrNi4A Heat Treatments

  • Heat treated at 810 - 830°C, 1h, oil cooled. Heat treated at 170 - 190°C, 2h, air cooled.

PROPRIETARY 18CrNi4A Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
1325 — 1520 MPa
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Brinell Hardness (HB)
384 — 433
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Elongation, A
≥ 8 %
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Impact Strength
val1
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kJ/m²
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Yield Strength, Rp0.2
val1
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MPa
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Rockwell Hardness (HR)
val1
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  • 1Cross References
  • 7Composition
  • 11Mechanical Properties
  • 56Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • -Total Suppliers