EN 20MnNb6 Structural and constructional steels

Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: European Union / EN

Data updates

Latest Update: 2020-03
Total number of updates: 3
Update History
2016-03 2014-04

This material has 268 properties — only a subset is shown here.

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EN 20MnNb6 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.060
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
≤ 0.22
UNIT
%
CAS NUMBER
7440-44-0
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
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
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

EN 10216-2: 2024 / Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties

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EN 20MnNb6 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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This material has 268 properties — only a subset is shown here.

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EN 20MnNb6 Heat Treatments

  • Normalized (+N): 900-960°C; air cooling. Normalizing includes Normalizing Forming, Normalized Forming shall be carried out in a temperature range from 880-1000°C.

EN 20MnNb6 Mechanical Properties


Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
335 MPa
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Tensile Strength
500 — 650 MPa
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Elongation, A
20 %
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Impact Energy
val1
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J
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  • 41 Cross References

  • 8 Composition
  • 28 Mechanical Properties
  • 3 Physical Properties
  • 4 Heat Treatment
  • - Metallography
  • - Machinability

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

  • - Joints
  • - Coatings
  • 141 Dimensions
  • - Tribology

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

  • 42 Total Suppliers