EN 1.4420 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country/Standard: European Union / EN

Data updates

Latest Update: 2024-11
Total number of updates: 3
Update History
2024-03 2016-10

This material has 222 properties — only a subset is shown here.

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EN 1.4420 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.03
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
19.5 – 21.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 1.00
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
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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

EN 10028-7: 2016 / Flat products made of steels for pressure purposes - Part 7: Stainless steels

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EN 1.4420 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 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
15 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Electrical Resistivity
0.73 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 222 properties — only a subset is shown here.

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EN 1.4420 Heat Treatments

  • Hot forming: 1150 - 850°C, air cooling. Annealing: 1030 - 1100°C, air, water cooling.
  • Hot forming: 1150-850°C, air cooling.
    AT - Solution annealing: 1030-1110°C, air or water cooling.

EN 1.4420 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Yield Strength, Rp1
val1
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MPa
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Tensile Strength
val1
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MPa
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Elongation, A
val1
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%
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Impact Energy
val1
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J
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  • 30 Composition
  • 99 Mechanical Properties
  • 19 Physical Properties
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