1.7725 (Germany / DIN) Material Properties

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

Data updates

Latest Update: 2021-03
Total number of updates: 7
Update History:
2020-04 2019-06 2018-12 2016-04 2016-01 2015-05

Mechanical Properties

Temperature

≤ 0°C
0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 320 MPa view details
Tensile Strength 650 — 1180 MPa view details
Elongation, A 6 % view details
Impact Energy val1
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J view details
Impact Energy val1
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J view details
Yield Strength, Rp0.2 46.4 ksi view details
Tensile Strength 94.3 — 171.1 ksi view details
Elongation, A 6 % view details
Impact Energy val1
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ft·lb view details
Impact Energy val1
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ft·lb view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 211 GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Modulus of Elasticity val1
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GPa view details
Coefficient of Thermal Expansion (CTE) 11 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
Modulus of Elasticity 30.6 E+03 ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Modulus of Elasticity val1
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ksi view details
Coefficient of Thermal Expansion (CTE) 6.11 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

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

Heat Treatments

  • <b>Quenched</b> at ≤ 950°C <br /> <b>Tempered</b> at 620-650°C <br /> <b>Stress relief annealed</b> 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