1.2842 (Germany / DIN) Material Properties
Other designations:
, ,
Material group:
Ferrous Alloys / Structural and constructional steels, Ferrous Alloys / Tool steels
Country/Standard:
Germany / DIN
Data updates
Latest Update: 2023-10
Total number of updates: 3
Update History:
2019-05
2019-03
Mechanical Properties
Temperature
Physical Properties
Temperature
Coefficient of Thermal Expansion (CTE)
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10-6/°C
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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/°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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Composition
CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.85 – 0.95
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
0.20 – 0.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
1.80 – 2.20
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
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2
EN ISO 4957: 2018 / Tool steels
Heat Treatments
- <b>Soft annealing</b>: Slowly heated at 680-720°C, held for several hours, slowly cooled, preferably in the furnace. <br />The soft annealing is most appropriate for machining and cold working and provides the most favorable initial structure for tool hardening.<br /><br /><b>Hardening</b>: Preheated at 500-600°C and then heated faster at 790-820°C, quenched in oil. <br />Temperature of oil should be approx. 50°C. When quenching in aqueous salt solutions, the temperature of the quenching agent may rise to 100°C. <br />Hardening immediately after forging without cooling and annealing is inappropriate because of the risk of cracking.<br /><br /><b>Stress relief annealing</b>: Slowly heated at 600-650°C, held for 1-2 hours, slowly cooled in the furnace.
- Austenitized at 790 +/- 10°C and oil quenched.<br />Tempered at 180 +/- 10°C.
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82 Cross References
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26 Composition
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20 Mechanical Properties
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19 Physical Properties
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22 Heat Treatment
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1 Metallography
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- Machinability
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- Stress-Strain
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- Formability
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- Fatigue
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- Fracture
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- Creep
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- Joints
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- Coatings
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14 Dimensions
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8 Tribology
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- Corrosion
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- Ageing
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- Weatherability
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- Irradiation
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111 Total Suppliers