CF12M (United States / ACI) Material Properties

Material group: Ferrous Alloys / Cast steels
Country/Standard: United States / ACI

Data updates

Latest Update: 2021-04
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 531 MPa view details
Elongation, A 45 % view details
Impact Energy val1
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J view details
Brinell Hardness (HB) 156 — 170 view details
Yield Strength, Rp0.2 val1
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MPa view details
Tensile Strength 531 MPa view details
Elongation, A 45 % view details
Impact Energy val1
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J view details
Brinell Hardness (HB) 156 — 170 view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 193 — 193.1 GPa view details
Density val1
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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 16.269 W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.82 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 193 — 193.1 GPa view details
Density val1
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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 16.269 W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.82 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.12
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
18 – 21
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Fe
VALUE
Balance
UNIT
%
CAS NUMBER
7439-89-6
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

Steel Castings Handbook Supplement 8 High Alloy Data Sheets Corrosion Series / Steel Founders' Society of America / 2004

Heat Treatments

  • Heated in the range 1066 to 1149°C (1950 to 2100°F) and then quenched in water, oil or air to ensure complete solution of carbides and sigma phase.