G 20 Mo 5 (Germany / DIN) Material Properties

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

Data updates

Latest Update: 2014-04
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 245 MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 440 — 590 MPa view details
Elongation, A 22 % view details
Impact Energy val1
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J view details
Yield Strength, Rp0.2 35.5 ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Yield Strength, Rp0.2 val1
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ksi view details
Tensile Strength 63.8 — 85.6 ksi view details
Elongation, A 22 % 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
Density 7.85 kg/dm³ 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
Coefficient of Thermal Expansion (CTE) val1
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10-6/°C view details
Thermal Conductivity 43 W/(m∙°C) view details
Heat Capacity 460 J/(kg∙°C) view details
Density 0.284 lb/in³ 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 24.8 BTU/(h∙ft∙°F) view details
Heat Capacity 0.11 BTU/(lb∙°F) view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.15 – 0.23
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 0.30
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

  • Quenching (liquid or air cooling): 920-980°C; Tempering: 650-730°C.
  • Quenched and tempered (+QT): quenched from 920 to 980°C, cooled in air or liquid (for information only) and tempered from 650 to 730°C.