1.4021 (European Union / EN) Material Properties

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

Data updates

Latest Update: 2025-03
Total number of updates: 16
Update History:
2024-12 2024-03 2021-10 2021-02 2021-01 2020-12 2020-03 2020-02 2019-09 2019-06 2017-01 2016-11 2015-02 2015-01 2014-04

Mechanical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 500 — 2100 MPa view details
Elongation, A 7 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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J view details
Brinell Hardness (HB) ≤ 290 view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 72.5 — 304.6 ksi view details
Elongation, A 7 % view details
Reduction of Area val1
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% view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) ≤ 290 view details
Rockwell Hardness (HR) val1
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Vickers Hardness (HV) val1
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Physical Properties

Temperature

≤ 0°C
0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 220 GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Dynamic Modulus of Elasticity val1
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GPa view details
Dynamic Modulus of Elasticity val1
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GPa view details
Dynamic Modulus of Elasticity val1
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GPa view details
Dynamic Modulus of Elasticity val1
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GPa view details
Density val1
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kg/dm³ view details
Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Thermal Conductivity 24.6 — 30 W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.587 — 0.6 Ω∙mm²/m view details
Electrical Resistivity val1
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Ω∙mm²/m view details
Electrical Resistivity val1
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Ω∙mm²/m view details
Electrical Resistivity val1
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Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Electrical Conductivity val1
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S/m view details
Electrical Conductivity val1
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S/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 27.6 E+03 — 31.9 E+03 ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Dynamic Modulus of Elasticity val1
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ksi view details
Dynamic Modulus of Elasticity val1
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ksi view details
Dynamic Modulus of Elasticity val1
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ksi view details
Dynamic Modulus of Elasticity val1
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ksi view details
Density val1
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lb/in³ view details
Poisson Coefficient val1
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view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Coefficient of Thermal Expansion (CTE) val1
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10-6/°F view details
Thermal Conductivity 14.2 — 17.3 BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Electrical Resistivity 976 E-06 — 997 E-06 Ω∙circular·mil/ft view details
Electrical Resistivity val1
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Ω∙circular·mil/ft view details
Electrical Resistivity val1
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Ω∙circular·mil/ft view details
Electrical Resistivity val1
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Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details
Electrical Conductivity val1
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S/in view details
Electrical Conductivity val1
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S/in view details
Electrical Conductivity val1
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S/in view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.16 – 0.25
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
12.0 – 14.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 1.50
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

EN 10088-1: 2023 / Stainless steels - Part 1: List of stainless steels

Heat Treatments

  • Hot formed at 1100-800°C, slow cooled.<br>A: annealed at 750-850°C.<br>QT700: quenched at 950-1050°C, oil or air cooled. Tempered at 650-750°C.<br>QT800: quenched at 950-1050°C, oil or air cooled. Tempered at 600-700°C.
  • Hot forming: 1100-800°C, slow cooling; Annealing (+A): 745-825°C, air cooling; Quenching (+QT700): 950-1050°C, oil or air cooling; (If heat treatment is carried out in a continuous furnace, the upper part of the range specified should usually be preferred, or even exceeded); Tempering: 650-750°C; Quenching (+QT800): 950-1050°C, oil or air cooling; (If heat treatment is carried out in a continuous furnace, the upper part of the range specified should usually be preferred, or even exceeded); Tempering: 600-700°C.