AFNOR NF G18NiMoCr3-6 Cast steels

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

Data updates

Latest Update: 2021-01
Total number of updates: 2
Update History
2015-09

AFNOR NF G18NiMoCr3-6 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.17 – 0.22
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.40 – 0.90
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

EN 10340: 2007 / Steel castings for structural uses

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AFNOR NF G18NiMoCr3-6 Physical Properties

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AFNOR NF G18NiMoCr3-6 Heat Treatments

  • +QT1: 900-980°C, quenched by air or liquid; Tempered at 580-620°C.<br>+QT2: 900-980°C, quenched by air or liquid; Tempered at 590-630°C.
  • (+QT1) Normalizing or austenitizing from 900 to 980ºC and colling in air; tempering from 580 to 620ºC; (+QT2) Normalizing or austenitizing from 900 to 980ºC and colling in air; tempering from 590 to 630ºC.

AFNOR NF G18NiMoCr3-6 Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 630 MPa Unlock full details
Tensile Strength 760 — 980 MPa Unlock full details
Elongation, A 12 % Unlock full details
Impact Energy val1
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J Unlock full details

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  • 50 Cross References
  • 18 Composition
  • 18 Mechanical Properties
  • - Physical Properties
  • 2 Heat Treatment
  • - Metallography
  • - Machinability
  • - Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • - Creep
  • - Joints
  • - Coatings
  • - Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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