EN 1.4933 Stainless steels

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

Data updates

Latest Update: 2024-03
Total number of updates: 3
Update History
2018-05 2015-01

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EN 1.4933 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.08 – 0.13
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
11.00 – 12.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
Base
UNIT
%
CAS NUMBER
7439-89-6
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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2

EN 2278: 2014 / Aerospace series - Steel X12CrNiMoV12-3 (1.4933) - 900 MPa ≤ Rm ≤ 1 100 MPa - Bars - De ≤ 150 mm

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EN 1.4933 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 216 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
30 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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Electrical Resistivity
0.6 Ω∙mm²/m
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Electrical Conductivity
val1
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S/m
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This material has 245 properties — only a subset is shown here.

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EN 1.4933 Heat Treatments

  • Softened + 1 020°C <= θ <= 1050°C (for optimum corrosion resistance 990°C <= θ <= 1030°C is recommended.) a / OQ or AC + θ >= 640°C.

EN 1.4933 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
val1
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MPa
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Tensile Strength
900 — 1100 MPa
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Elongation, A
14 %
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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)
269 — 331
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