1.4903 (Germany / DIN) Material Properties
Other designations:
,
Material group:
Ferrous Alloys / Structural and constructional steels
Country/Standard:
Germany / DIN
Data updates
Latest Update: 2024-10
Total number of updates: 24
Update History:
2024-09
2024-05
2022-08
2022-04
2022-01
2021-09
2020-12
2020-11
2020-06
2020-02
2019-10
2019-09
2018-11
2018-10
2018-05
2017-05
2017-02
2015-07
2015-06
2015-01
2014-10
2014-04
2014-03
Mechanical Properties
Temperature
Physical Properties
Temperature
Dynamic Modulus of Elasticity
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GPa
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Dynamic Modulus of Elasticity
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GPa
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Dynamic Modulus of Elasticity
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GPa
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Dynamic Modulus of Elasticity
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GPa
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Coefficient of Thermal Expansion (CTE)
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10-6/°C
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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Thermal Conductivity
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W/(m∙°C)
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Dynamic Modulus of Elasticity
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ksi
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Dynamic Modulus of Elasticity
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ksi
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Dynamic Modulus of Elasticity
val1
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ksi
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Dynamic Modulus of Elasticity
val1
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ksi
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°F
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°F
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°F
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Thermal Conductivity
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BTU/(h∙ft∙°F)
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Composition
CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
≤ 0.040
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.08 – 0.12
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
8.0 – 9.5
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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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
Nb
VALUE
val1
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UNIT
%
CAS NUMBER
7440-03-1
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 10222-2: 2017 / Steel forgings for pressure purposes - Part 2: Ferritic and martensitic steels with specified elevated temperature properties
Heat Treatments
- <b>Quenching and tempering:</b> Hardened at 1040-1080°C, quenched in oil (for wt < 80 mm can be cooled in air or in controlled atmosphere). <br />Tempered at 750-780°C, held for 2 min per mm thickness, minimum 60 min, cooled in air.<br />Tempering after welding: heated at 740 to 770°C, held for 2 min per mm thickness, minimum 60 min, cooled in air.
- Hardening and tempering:<br />Hardening: 1040-1080°C, cooling in air (For wt > 80 mm cooling can be carried out in oil or in spray water); Tempering: 750-780°C, holding period min. 60 minutes (Holding time starts when the temperature in the cross section is reached), cooling in air;<br /><br />Tempering after welding: 740-770°C, holding period for wt ≤ 8 mm is 30 minutes, for 8 < wt ≤ 30 mm is 60 minutes and for wt > 30 mm is 2 min/mm, cooling in air;<br /><br />Stress relieving after cold forming: 650-750°C, holding period 2 min/mm, min. 60 minutes and cooling in air.
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124 Cross References
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106 Composition
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333 Mechanical Properties
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82 Physical Properties
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8 Heat Treatment
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8 Metallography
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- Machinability
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43 Stress-Strain
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- Formability
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- Fatigue
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- Fracture
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4 Creep
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36 Joints
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- Coatings
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174 Dimensions
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- Tribology
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- Corrosion
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1 Ageing
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- Weatherability
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- Irradiation
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76 Total Suppliers