AFCEN 20 NCD 12 Structural and constructional steels

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

Data updates

Latest Update: 2021-09
Total number of updates: 3
Update History
2018-04 2015-11

This material has 54 properties — only a subset is shown here.

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AFCEN 20 NCD 12 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.23
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.50 – 2.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.20 – 0.40
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

M 5170: RCC-M II: 2024 / Alloy forgings or drop forgings for use in reactor coolant system supports: reactor support pads upper clevis inserts for reactor coolant pump supports, snubber components for steam generator and reactor coolant pump supports

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AFCEN 20 NCD 12 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 54 properties — only a subset is shown here.

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AFCEN 20 NCD 12 Heat Treatments


  • - Austenitizing at a suitable temperature
    - Quenching in water
    - Tempering at a minimum temperature of 600°C.

AFCEN 20 NCD 12 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
725 — 895 MPa
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Elongation, A
≥ 18 %
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Impact Energy
val1
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J
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Yield Strength, Rp0.2
≥ 585 MPa
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  • 37Cross References

  • 9Composition
  • 4Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability

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

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

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

  • -Total Suppliers