EN 1.6781 Cast steels

Other designations:
Material group: Ferrous Alloys / Cast steels
Country/Standard: European Union / EN

Data updates

Latest Update: 2022-12
Total number of updates: 3
Update History
2020-12 2015-05

EN 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
Mn
VALUE
0.55 – 0.80
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
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
Full data available with free access View Complete Material Data
UNIT
%
CAS NUMBER
7440-21-3

EN 10213-3: 1995 / Technical delivery conditions for steel castings for pressure purposes - Part 3: Steel grades for use at low temperatures

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EN 1.6781 Physical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Density 7.85 kg/dm³ Unlock full details
Heat Capacity 460 J/(kg∙°C) Unlock full details

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EN 1.6781 Heat Treatments

  • Quenching (liquid or air cooling): 890-930°C; Tempering: 600-640°C.
  • Quenched: 890 to 930°C, cooled in air or liquid (for information only) and tempered: 600 to 640°C.

EN 1.6781 Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 600 MPa Unlock full details
Tensile Strength 750 — 900 MPa Unlock full details
Elongation, A 15 % Unlock full details

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  • 50 Cross References
  • 28 Composition
  • 12 Mechanical Properties
  • 2 Physical Properties
  • 3 Heat Treatment
  • - Metallography
  • - Machinability
  • - Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • - Creep
  • - Joints
  • - Coatings
  • 136 Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
  • 44 Total Suppliers