AFNOR NF Z 8 CN 25-20 M Cast steels

Material group: Ferrous Alloys / Cast steels
Country / Standard: France / AFNOR NF

Data updates

Latest Update: 2021-08
Total number of updates: 1
Update History

This material has 22 properties — only a subset is shown here.

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AFNOR NF Z 8 CN 25-20 M Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.10
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
23 – 27
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.5
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
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

NF A 32-056: 1984 / Foundry products. Austenitic and austeno-ferritic stainless cast steel

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AFNOR NF Z 8 CN 25-20 M Physical Properties


Temperature

PROPERTY / VALUE
Thermal Conductivity
15 W/(m∙°C)
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Density
8 kg/dm³
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Heat Capacity
val1
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J/(kg∙°C)
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Melting Temperature
val1
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°C
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Service Temperature
val1
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°C
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This material has 22 properties — only a subset is shown here.

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AFNOR NF Z 8 CN 25-20 M Heat Treatments


  • Tempering at 1050-1100°C (for information only).

AFNOR NF Z 8 CN 25-20 M Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 450 MPa
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Brinell Hardness (HB)
≥ 130
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Elongation, A
≥ 30 %
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Yield Strength, Rp0.2
val1
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MPa
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  • -Cross References

  • 8Composition
  • 4Mechanical Properties
  • 9Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology

  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

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