AFNOR NF 20 NCD4-M Cast steels

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

Data updates

Latest Update: 2020-08
Total number of updates: 1
Update History

This material has 58 properties — only a subset is shown here.

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AFNOR NF 20 NCD4-M Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.17 – 0.23
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.30 – 0.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.30
UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Mn
VALUE
val1
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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

NF A 32-053: 1992 / Foundry products - Cast steels for low temperatures purposes

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AFNOR NF 20 NCD4-M Heat Treatments

  • Liquid Quenched and Tempered:
    Quenched at 880 to 930°C, air cooled
    Tempered at 650 to 700°C

AFNOR NF 20 NCD4-M Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≥ 570 MPa
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Brinell Hardness (HB)
170
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Elongation, A
≥ 16 %
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Yield Strength, Rp0.2
val1
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MPa
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  • 41Cross References
  • 10Composition
  • 6Mechanical 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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