C45U (European Union / EN) Material Properties

Other designations:
Material group: Ferrous Alloys / Tool steels
Country/Standard: European Union / EN

Data updates

Latest Update: 2023-10
Total number of updates: 3
Update History:
2018-09 2017-08

Mechanical Properties

Temperature

0 - 30°C
PROPERTY / VALUE
Brinell Hardness (HB) ≤ 207 view details
Rockwell Hardness (HR) 35 view details
Brinell Hardness (HB) ≤ 207 view details
Rockwell Hardness (HR) 35 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
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
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Shear Modulus val1
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GPa view details
Density val1
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kg/dm³ view details
Poisson Coefficient val1
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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 50 W/(m∙°C) view details
Heat Capacity val1
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J/(kg∙°C) view details
Electrical Resistivity 0.12 Ω∙mm²/m view details
Electrical Conductivity val1
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S/m view details
Modulus of Elasticity 27.6 E+03 — 30.5 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
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Shear Modulus val1
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ksi view details
Density val1
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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 28.9 BTU/(h∙ft∙°F) view details
Heat Capacity val1
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BTU/(lb∙°F) view details
Electrical Resistivity 199 E-06 Ω∙circular·mil/ft view details
Electrical Conductivity val1
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S/in view details

Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.42 – 0.50
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
0.60 – 0.80
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
P
VALUE
≤ 0.030
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 ISO 4957: 2018 / Tool steels

Heat Treatments

  • Austenitized at 810 +/- 10°C and water quenched.<br />Tempered at 180 +/- 10°C.