AFCEN Z2 CNNb 18-11 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: France / AFCEN

Data updates

Latest Update: 2025-08
Total number of updates: 2
Update History
2015-10

This material has 174 properties — only a subset is shown here.

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AFCEN Z2 CNNb 18-11 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.10
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
17 – 20
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 1
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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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

RCC-M: Design and construction rules for mechanical components of PWR nuclear islands, AFCEN - French association for design, construction and in-service inspection rules for nuclear island components, 2007

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AFCEN Z2 CNNb 18-11 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Density
7.61 — 8.1 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 174 properties — only a subset is shown here.

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AFCEN Z2 CNNb 18-11 Heat Treatments


  • Quenched (Accelerated air-cooled quenching is only allowed for metals less than 3 mm thick) in water or oil between 1050 and 1150°C

AFCEN Z2 CNNb 18-11 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 539 MPa
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Brinell Hardness (HB)
126 — 196
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Elongation, A
≥ 40 %
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Impact Energy
val1
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J
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Yield Strength, Rp0.2
val1
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MPa
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AFCEN Z2 CNNb 18-11 International Equivalent Materials


Showing 15 of 99 results.

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STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
SAE
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
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STANDARD
AISI
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
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STANDARD
SAE
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United States
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STANDARD
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ASTM
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United States
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STANDARD
ASTM
COUNTRY / PRODUCER
United States
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STANDARD
ASTM
COUNTRY / PRODUCER
United States
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MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 99Cross References

  • 9Composition
  • 6Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

  • -Stress-Strain
  • 1Formability
  • -Fatigue
  • -Fracture
  • -Creep

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

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

  • 55Total Suppliers