EN 1.4303 Stainless steels

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

Data updates

Latest Update: 2025-03
Total number of updates: 6
Update History
2018-01 2016-11 2016-08 2015-02 2014-04

This material has 906 properties — only a subset is shown here.

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EN 1.4303 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.06
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
17.0 – 19.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 2.00
UNIT
%
CAS NUMBER
7439-96-5
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 10088-1: 2023 / Stainless steels - Part 1: List of stainless steels

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EN 1.4303 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 906 properties — only a subset is shown here.

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EN 1.4303 Heat Treatments

  • (+AT) Solution annealed: 1000-1100°C, cooled sufficiently rapid in air or water.
  • Hot forming: 1150-850°C, air cooling.
    AT - Solution annealing: 1000-1100°C, air or water cooling.

EN 1.4303 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
500 — 2100 MPa
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Elongation, A
12 %
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Reduction of Area
val1
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%
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Impact Energy
val1
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J
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Brinell Hardness (HB)
≤ 215
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  • 48 Composition
  • 143 Mechanical Properties
  • 35 Physical Properties
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