AFNOR NF G42NiCrMo18 Cast steels

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

Data updates

Latest Update: 2020-12
Total number of updates: 2
Update History
2015-09

This material has 17 properties — only a subset is shown here.

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AFNOR NF G42NiCrMo18 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.38 – 0.45
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.7 – 2.2
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 0.8
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

NF A 32-058: 2019 / Foundry products - Abrasion resistant cast steels

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AFNOR NF G42NiCrMo18 Heat Treatments

  • Quenched and tempered (+QT1): Air or oil quenched at 830 to 880°C and tempered at 200 to 250°C
    Quenched and tempered (+QT2): Air or oil quenched at 830 to 880°C and tempered at 550 to 600°C
    Structure:
    - for +QT1 condition – Martensitic
    - for +QT2 condition – Martensitic

AFNOR NF G42NiCrMo18 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
1000 — 1800 MPa
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Brinell Hardness (HB)
330
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Elongation, A
≥ 3 %
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Impact Energy
val1
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J
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Rockwell Hardness (HR)
val1
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  • -Cross References
  • 8Composition
  • 8Mechanical Properties
  • -Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
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