UNI X20CrMoV11-1 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country/Standard: Italy / UNI

Data updates

Latest Update: 2022-04
Total number of updates: 8
Update History

This material has 527 properties — only a subset is shown here.

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UNI X20CrMoV11-1 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.17 – 0.23
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
10.00 – 12.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.30 – 1.00
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 10222-2: 2017 / Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperature properties

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UNI X20CrMoV11-1 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 216 GPa
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Density
val1
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kg/dm³
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Poisson Coefficient
val1
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Thermal Conductivity
24 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Electrical Resistivity
0.6 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 527 properties — only a subset is shown here.

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UNI X20CrMoV11-1 Heat Treatments

  • Normalizing and tempering (+NT): 1020-1080°C, air cooling. Tempering: 730-780°C, air cooling. It may be necessary in the case of wall thickness T above 10 mm or T/D > 0.15 to apply quenching and tempering in order to achieve the intended structure and material properties.
  • Quenched and tempered (+QT): 1020 to 1070°C, cooled in oil, air and polymer. Tempered at 730-780°C, cooled in air or furnace.

UNI X20CrMoV11-1 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
490 MPa
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Tensile Strength
690 — 850 MPa
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Elongation, A
14 %
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Impact Energy
val1
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J
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  • 108 Cross References
  • 38 Composition
  • 53 Mechanical Properties
  • 43 Physical Properties
  • 6 Heat Treatment
  • - Metallography
  • - Machinability
  • 13 Stress-Strain
  • 8 Formability
  • 3 Fatigue
  • - Fracture
  • 17 Creep
  • 3 Joints
  • - Coatings
  • 141 Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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