AFNOR NF 20 MC 5 Structural and constructional steels

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

Data updates

Latest Update: 2020-10
Total number of updates: 3
Update History
2020-05 2019-05

This material has 905 properties — only a subset is shown here.

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AFNOR NF 20 MC 5 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.17 – 0.22
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.00 – 1.30
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
1.10 – 1.40
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 35-551: 1986 / Case hardening steels - Technical delivery conditions

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AFNOR NF 20 MC 5 Physical Properties


Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.67 — 7.86 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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AFNOR NF 20 MC 5 Heat Treatments


  • Normalized at 870-900°C
    Heated in the range at 830-890°C, cooled in oil and tempered at 550-650°C
    Jominy test at 875 ± 5°C.
  • Cementation process at 880 to 930°C
    Hardening (core) at 850 to 880°C, oil quenching
    Hardening (surface) at 810 to 840°C, oil quenching
    Tempering at 150 to 200°C.
    Tempering for Jominy test at 880 ± 5°C

AFNOR NF 20 MC 5 Mechanical Properties


Temperature

PROPERTY / VALUE
Tensile Strength
≥ 550 MPa
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Brinell Hardness (HB)
159 — 212
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Elongation, A
≥ 7 %
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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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AFNOR NF 20 MC 5 International Equivalent Materials


Showing 15 of 456 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
DIN
COUNTRY / PRODUCER
Germany
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
EN
COUNTRY / PRODUCER
European Union
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
PN
COUNTRY / PRODUCER
Poland
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
UNI
COUNTRY / PRODUCER
Italy
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
AFNOR NF
COUNTRY / PRODUCER
France
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
B.S.
COUNTRY / PRODUCER
United Kingdom
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
BDS
COUNTRY / PRODUCER
Bulgaria
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
BDS
COUNTRY / PRODUCER
Bulgaria
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
CSN
COUNTRY / PRODUCER
Czech Republic
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
CSN
COUNTRY / PRODUCER
Czech Republic
EQUIVALENCE CATEGORY
Official
MATERIAL
STANDARD
MSZ
COUNTRY / PRODUCER
Hungary
EQUIVALENCE CATEGORY
Official

Equivalence categories reflect chemical-composition and mechanical-property comparison — always verify suitability against the governing specification for your application.

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  • 456Cross References

  • 18Composition
  • 34Mechanical Properties
  • 3Physical Properties
  • 9Heat Treatment
  • -Metallography
  • -Machinability

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

  • -Joints
  • -Coatings
  • 2Dimensions
  • -Tribology

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

  • 383Total Suppliers