AFNOR NF Z 200 C 12 M Cast steels

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

Data updates

Latest Update: 2020-12
Total number of updates: 1
Update History

This material has 11 properties — only a subset is shown here.

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AFNOR NF Z 200 C 12 M Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
1.8 – 2.2
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
11 – 13
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1
UNIT
%
CAS NUMBER
7439-96-5
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: 1984: 1984 / Foundry products - Abrasion resistant cast steels

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AFNOR NF Z 200 C 12 M Heat Treatments

  • Quenched and tempered (I);
    Air or oil quenched at 930 to 980°C and tempered at 150 to 260°C. Quenching normally preceded by a full annealing treatment. Quenched:
    - for t <= 15 mm, still air quenched,
    - for t <= 40 mm, blown air quenched,
    - for t <= 150 mm, quenched in oil
    Quenched and tempered (II);
    Air or oil quenched at 930 to 980°C and tempered at 400 to 520°C + 150 to 260°C. Quenching normally preceded by a full annealing treatment. Quenched:
    - for t <= 15 mm, still air quenched,
    - for t <= 40 mm, blown air quenched,
    - for t <= 150 mm, quenched in oil
    Structure:
    - for +QT1 condition – Martensitic, austenitic, carbide
    - for +QT2 condition – Martensitic, carbide, (austenitic)
    Annealed at 700°C to 760 or Full annealed at 950 to 1100°C, cooled 100°C / h up to 550°C or at 950 to 1100°C, cooled isothermal 760°C, 4 - 10h.

AFNOR NF Z 200 C 12 M Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
230 — 350
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Rockwell Hardness (HR)
54 — 64
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  • -Cross References
  • 6Composition
  • 4Mechanical 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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