DIN 1.7725 Cast steels

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

Data updates

Latest Update: 2021-03
Total number of updates: 7
Update History

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DIN 1.7725 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.27 – 0.34
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
1.30 – 1.70
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 1.7725 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
211 GPa
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DIN 1.7725 Heat Treatments

  • Quenched at ≤ 950°C
    Tempered at 620-650°C
    Stress relief annealed at ≥ 590°C. This temperature must be at least 30°C below the tempering temperature and must not be below the specified minimum value
  • Air Quenched and Tempered Hardening: 880-950°C; Tempering: 600-650°C Liquid Quenched and Tempered (I) Hardening: 880-950°C; Tempering: 600-650°C Liquid Quenched and Tempered (II) Hardening: 880-950°C; Tempering: 530-580°C

DIN 1.7725 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
320 MPa
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Tensile Strength
650 — 1180 MPa
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Elongation, A
6 %
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Impact Energy
val1
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J
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  • 47 Cross References
  • 34 Composition
  • 90 Mechanical Properties
  • 14 Physical Properties
  • 3 Heat Treatment
  • - Metallography
  • - Machinability
  • 22 Stress-Strain
  • - Formability
  • 15 Fatigue
  • - Fracture
  • - Creep
  • 3 Joints
  • - Coatings
  • - Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
  • 47 Total Suppliers