DIN 1.4420 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country / Standard: Germany / DIN

Data updates

Latest Update: 2024-11
Total number of updates: 5
Update History
2024-03 2022-06 2019-04 2016-10

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DIN 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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DIN 1.4420 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Thermal Conductivity
val1
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W/(m∙°C)
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Electrical Resistivity
val1
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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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Poisson Coefficient
val1
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This material has 284 properties — only a subset is shown here.

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DIN 1.4420 Heat Treatments

  • Quenching: Heated at 1000-1050°C, water quenched or air cooled. Structure after heat treatment is austenite. It is possible to contain some amount of ferrite.
  • Hot forming: 1150 - 850°C, air cooling. Annealing: 1030 - 1100°C, air, water cooling.

DIN 1.4420 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
500 — 850 MPa
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Elongation, A
val1
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%
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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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Impact Energy
val1
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J
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DIN 1.4420 International Equivalent Materials

Showing 15 of 62 results.

MATERIAL
STANDARD
COUNTRY / PRODUCER
EQUIVALENCE CATEGORY
MATERIAL
X2CrNiMoN21-9-1
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
1.4420
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Official
MATERIAL
022Cr20Ni9MoN
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Official
MATERIAL
A 240 S31655
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A312 S31655
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 249 S31655
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
S31655
STANDARD
GB
COUNTRY / PRODUCER
China
EQUIVALENCE CATEGORY
Official
MATERIAL
SA-249 S31655
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-240 S31655
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
SA-312 S31655
STANDARD
ASME
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 269 S31655
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
A 554 S31655
STANDARD
ASTM
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
X02Cr20Ni9Mo1N
STANDARD
IS
COUNTRY / PRODUCER
India
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
X2CrNiMoN21-9-1
STANDARD
ISO
COUNTRY / PRODUCER
International
EQUIVALENCE CATEGORY
Composition 100%
MATERIAL
S31655
STANDARD
UNS
COUNTRY / PRODUCER
United States
EQUIVALENCE CATEGORY
Composition 100%

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

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  • 62Cross References
  • 38Composition
  • 102Mechanical Properties
  • 26Physical Properties
  • 3Heat Treatment
  • -Metallography
  • -Machinability
  • 6Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • 45Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 2Total Suppliers