AFNOR NF XC 18 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country / Standard: France / AFNOR NF
Indicative price:

Data updates

Latest Update: 2022-08
Total number of updates: 6
Update History
2020-10 2020-05 2019-05 2017-08 2015-10

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AFNOR NF XC 18 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.16 – 0.22
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.40 – 0.70
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.035
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 35-551: 1986 / Case hardening steels - Technical delivery conditions

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AFNOR NF XC 18 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Electrical Resistivity
0.11 Ω∙mm²/m
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Density
val1
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kg/dm³
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Electrical Conductivity
val1
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S/m
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Heat Capacity
val1
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J/(kg∙°C)
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Thermal Conductivity
58 W/(m∙°C)
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Poisson Coefficient
val1
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Shear Modulus
val1
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GPa
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This material has 10115 properties — only a subset is shown here.

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AFNOR NF XC 18 Heat Treatments


  • Normalization at 875 to 900°C
    Cementation process at 880 to 930°C
    Hardening (core) at 870 to 910°C, water quenching
    Hardening (surface) at 770 to 810°C; water quenching
    Tempering at 150 to 200°C.
  • Normalized at 875-900°C
    Heated in the range at 865-895°C, cooled in water and tempered at 550-650°C

AFNOR NF XC 18 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
370 — 1270 MPa
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Brinell Hardness (HB)
107 — 143
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Elongation, A
≥ 8 %
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Impact Strength
val1
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kJ/m²
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
val1
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MPa
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Impact Energy
val1
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J
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AFNOR NF XC 18 International Equivalent Materials


Showing 15 of 734 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
SEW
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
EQUIVALENCE CATEGORY
Official

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  • 734Cross References

  • 50Composition
  • 100Mechanical Properties
  • 16Physical Properties
  • 6Heat Treatment
  • -Metallography
  • -Machinability

  • 23Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep

  • 83Joints
  • -Coatings
  • 2Dimensions
  • 1Tribology

  • 8491Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation

  • 609Total Suppliers