DIN 1.6781 Cast steels

Material group: Ferrous Alloys / Cast steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2022-12
Total number of updates: 5
Update History
2020-12 2018-12 2015-05 2015-04

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DIN 1.6781 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.15 – 0.19
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.30 – 1.80
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
≤ 0.30
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
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 10293: 2015 / Steel castings for general engineering uses

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DIN 1.6781 Physical Properties

Temperature

PROPERTY / VALUE
Density
7.85 kg/dm³
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Heat Capacity
460 J/(kg∙°C)
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This material has 290 properties — only a subset is shown here.

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DIN 1.6781 Heat Treatments

  • Quenching and tempering:

    Austenitized at 880-930°C, quenched in water, tempered at 600-640°C

    It is recommended to normalize the casting before annealing
    The temperature for the stress relief heat treatment should be at least 20°C, but at most 50°C below the applied tempering temperature of the casting
  • Quenching (liquid or air cooling): 890-930°C; Tempering: 600-640°C.

DIN 1.6781 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
600 MPa
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Tensile Strength
750 — 900 MPa
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Elongation, A
15 %
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  • 50 Cross References
  • 36 Composition
  • 16 Mechanical Properties
  • 2 Physical Properties
  • 4 Heat Treatment
  • - Metallography
  • - Machinability
  • - Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • - Creep
  • - Joints
  • - Coatings
  • 136 Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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