1.2436 (Germany / DIN) Material Properties

Other designations: ,
Material group: Ferrous Alloys / Tool steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2023-10
Total number of updates: 2
Update History:
2019-05

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Brinell Hardness (HB) ≤ 255 view details
Rockwell Hardness (HR) 48 — 65 view details
Brinell Hardness (HB) ≤ 255 view details
Rockwell Hardness (HR) 48 — 65 view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Density 7.6 — 8 kg/dm³ view details
Poisson Coefficient val1
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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 16.7 W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.275 — 0.289 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
Thermal Conductivity 9.65 BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F) view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
2.00 – 2.30
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
11.0 – 13.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.30 – 0.60
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
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

EN ISO 4957: 2018 / Tool steels

Heat Treatments

  • <b>Soft annealing</b>: Slowly heated at 800-840°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 950-980°C, air cooled or quenched in oil or in warm bath. <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 970 +/- 10°C and oil quenched.<br />Tempered at 180 +/- 10°C.