12CrMo9-10 (Germany / DIN) Material Properties

Other designations:
Material group: Ferrous Alloys / Structural and constructional steels
Country/Standard: Germany / DIN

Data updates

Latest Update: 2022-08
Total number of updates: 5
Update History:
2018-08 2017-09 2016-06 2016-03

Mechanical Properties


Temperature

≤ 0°C
0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Yield Strength, Rp0.2 355 MPa view details
Yield Strength, Rp0.2 val1
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MPa
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Yield Strength, Rp0.2 val1
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MPa
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Yield Strength, Rp0.2 val1
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MPa
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Tensile Strength 540 — 690 MPa view details
Tensile Strength val1
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MPa
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Tensile Strength val1
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MPa
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Tensile Strength val1
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MPa
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Elongation, A 18 % view details
Impact Energy val1
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J
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Impact Energy val1
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J
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Yield Strength, Rp0.2 51.5 ksi view details
Yield Strength, Rp0.2 val1
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ksi
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Yield Strength, Rp0.2 val1
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ksi
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Yield Strength, Rp0.2 val1
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ksi
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Tensile Strength 78.3 — 100.1 ksi view details
Tensile Strength val1
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ksi
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Tensile Strength val1
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ksi
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Tensile Strength val1
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ksi
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Elongation, A 18 % view details
Impact Energy val1
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ft·lb
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Impact Energy val1
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ft·lb
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Physical Properties


Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
Modulus of Elasticity val1
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GPa
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Modulus of Elasticity val1
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GPa
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Density 7.67 — 7.86 kg/dm³ view details
Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°C
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Thermal Conductivity 38.346 W/(m∙°C) view details
Thermal Conductivity val1
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W/(m∙°C)
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Thermal Conductivity val1
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W/(m∙°C)
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Thermal Conductivity val1
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W/(m∙°C)
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Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Modulus of Elasticity val1
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ksi
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Modulus of Elasticity val1
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ksi
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Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient val1
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°F
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°F
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Coefficient of Thermal Expansion (CTE) val1
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10-6/°F
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Thermal Conductivity 22.2 BTU/(h∙ft∙°F) view details
Thermal Conductivity val1
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BTU/(h∙ft∙°F)
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Thermal Conductivity val1
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BTU/(h∙ft∙°F)
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Thermal Conductivity val1
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BTU/(h∙ft∙°F)
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Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.010 – 0.040
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.10 – 0.15
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
2.00 – 2.50
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Cu
VALUE
val1
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UNIT
%
CAS NUMBER
7440-50-8
CRITERIA
Cu+6Sn
VALUE
val1
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UNIT
%
CAS NUMBER
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
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
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

EN 10028-2: 2017 / Flat products made of steels for pressure purposes - Part 2: Non-alloy and alloy steels with specified elevated temperature properties

Heat Treatments

  • Heat treatment (V): Hot forming at 1100 - 850°C. In the process, the temperature may drop to 750°C. Hardening at 900 - 960°C. Tempering at 680 - 710°C.
  • Normalizing at 920-980°C; Austenitizing at 920-980°C; Tempering at 650-750°C; Stress-relieving for 1h at 690°C and for 2h at 680°C.