1.4404 (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: 18
Update History:
2024-12 2024-09 2024-04 2024-03 2024-02 2021-06 2019-09 2018-01 2017-06 2016-11 2016-10 2016-08 2016-05 2015-12 2015-03 2015-02 2014-04

Mechanical Properties

Temperature

≤ 0°C
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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Yield Strength, Rp0.2 val1
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Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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Yield Strength, Rp1 val1
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MPa view details
Yield Strength, Rp1 val1
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Yield Strength, Rp1 val1
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Yield Strength, Rp1 val1
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Yield Strength, Rp1 val1
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Tensile Strength 840 MPa view details
Tensile Strength val1
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Tensile Strength val1
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Tensile Strength val1
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Tensile Strength val1
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Elongation, A 35 % view details
Elongation, A val1
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% view details
Reduction of Area val1
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% view details
Impact Energy val1
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J view details
Impact Energy val1
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J view details
Brinell Hardness (HB) ≤ 215 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
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, Rp1 val1
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ksi view details
Yield Strength, Rp1 val1
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ksi view details
Yield Strength, Rp1 val1
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ksi view details
Yield Strength, Rp1 val1
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ksi view details
Yield Strength, Rp1 val1
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ksi view details
Tensile Strength 121.8 ksi view details
Tensile Strength val1
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ksi view details
Tensile Strength val1
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ksi view details
Tensile Strength val1
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ksi view details
Tensile Strength val1
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ksi view details
Elongation, A 35 % view details
Elongation, A val1
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% view details
Reduction of Area val1
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% view details
Impact Energy val1
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ft·lb view details
Impact Energy val1
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ft·lb view details
Brinell Hardness (HB) ≤ 215 view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 215 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
Density val1
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kg/dm³ view details
Poisson Coefficient val1
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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 15 — 16.3 W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.75 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Melting Temperature val1
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°C view details
Modulus of Elasticity 27.6 E+03 — 31.2 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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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
Thermal Conductivity 8.67 — 9.42 BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Electrical Resistivity 1.25 E-03 Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details
Melting Temperature val1
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°F view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.030
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
16.5 – 18.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 2.00
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 10088-3: 2023 / Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resistant steels for general purposes

Heat Treatments

  • (+AT) Solution annealed: 1020-1120°C, cooled sufficiently rapid in air or water.
  • Solution annealed (+AT): 1020-1120°C (for guidance only), cooling sufficiently rapid in water or air.