X 45 CrSi 9-3 (Germany / DIN) Material Properties

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

Data updates

Latest Update: 2020-04
Total number of updates: 1
Update History:

Mechanical Properties

Temperature

0 - 30°C
≥ 300°C
PROPERTY / VALUE
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 900 — 1100 MPa view details
Tensile Strength val1
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MPa view details
Elongation, A 14 % view details
Reduction of Area val1
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% view details
Brinell Hardness (HB) 266 — 325 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 130.5 — 159.5 ksi view details
Tensile Strength val1
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ksi view details
Elongation, A 14 % view details
Reduction of Area val1
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% view details
Brinell Hardness (HB) 266 — 325 view details

Physical Properties

Temperature

0 - 30°C
30 - 100°C
100 - 300°C
≥ 300°C
PROPERTY / VALUE
Modulus of Elasticity 190 — 210 GPa view details
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 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 21 W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Modulus of Elasticity 27.6 E+03 — 30.5 E+03 ksi view details
Density 0.277 — 0.284 lb/in³ view details
Poisson Coefficient val1
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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 12.1 BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.40 – 0.50
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
8.00 – 10.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 0.60
UNIT
%
CAS NUMBER
7439-96-5
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 10090: 1998 / Valve steels and alloys for internal combustion engines

Heat Treatments

  • Hot working: 1100-900°C;<br>Soft annealing (air cooling or water quenching): 780-820°C;<br>Hardening (quenching in oil): 1000-1050°C;<br>Tempering (air cooling or water quenching): 720-820°C.