TAGS: EN 10083-1 | steel grade | 42CrMo4 | alloy steel |
EN 10083-1 is a European standard that specifies the technical delivery conditions for non-alloy and alloy steels for quenching and tempering. It provides guidelines for the production, testing, inspection, and delivery of these steels.
EN 10083-1 covers a wide range of steel grades used in various industries such as automotive, machinery, and construction. It includes both non-alloy steels and alloy steels with different compositions and properties. The steels are intended for heat treatment after quenching and tempering to achieve the desired mechanical properties.
EN 10083-1 specifies requirements for the chemical composition of the steels, including elements such as carbon, manganese, silicon, phosphorus, sulfur, chromium, molybdenum, and others. It also sets limits on the permissible deviations in the chemical composition.
EN 10083-1 Mechanical properties, such as tensile strength, yield strength, elongation, and impact energy, are defined in the standard. Hardness values are specified to ensure the steels meet the required hardness levels after the heat treatment process. Other characteristics, including grain size, surface quality, and internal soundness, are also addressed.
EN 10083-1 provides guidelines for heat treatment processes, such as quenching and tempering, to achieve the desired properties in the steels. It outlines parameters for heating and cooling rates, soaking temperatures, and durations of each stage of the heat treatment process.
EN 10083-1 ensures that the delivered steels meet specific quality standards and can be processed effectively for their intended applications. Manufacturers and users of steel products refer to this standard to ensure compliance with the specified technical requirements and to guarantee the consistent quality of the produced materials.
EN 10083-1 Grade 34CrNiMo6 is a specific grade of steel specified in the EN 10083-1 standard. This grade falls under the category of alloy special steels for quenching and tempering.
Grade 34CrNiMo6 is characterized by the following composition:
Approximate carbon content: 0.30-0.38%
Chromium (Cr): 1.30-1.70%
Molybdenum (Mo): 0.15-0.30%
Nickel (Ni): 1.30-1.70%
This alloy steel grade exhibits high strength, toughness, and hardenability. It is commonly used in applications that require excellent fatigue resistance, such as heavy-duty gears, shafts, and components subjected to dynamic loads.
EN 10083-1 stipulates the technical delivery conditions for Grade 34CrNiMo6, including requirements for chemical composition, mechanical properties, hardness values, and other relevant characteristics. The standard ensures consistent quality and enables proper processing and utilization of the steel in various industries.
Mechanical properties specified in the standard include minimum and maximum values for tensile strength, yield strength, elongation, and impact energy. Hardness values are also defined to ensure the desired hardness levels can be achieved through appropriate heat treatment processes.
Heat treatment guidelines are provided to achieve the desired properties in the steel. Processes such as quenching and tempering are detailed, specifying parameters such as heating and cooling rates, soaking temperatures, and durations for each stage of the heat treatment process.
EN 10083-1 Grade 42CrMo4 is a specific grade of steel specified in the EN 10083-1 standard. This grade falls under the category of alloy special steels for quenching and tempering.
Grade 42CrMo4 is characterized by the following composition:
Approximate carbon content: 0.38-0.45%
Chromium (Cr): 0.90-1.20%
Molybdenum (Mo): 0.15-0.30%
This alloy steel grade exhibits high strength, toughness, and hardenability. It is commonly used in applications that require excellent mechanical properties, such as gears, shafts, and other components subjected to high stress and wear.
EN 10083-1 stipulates the technical delivery conditions for Grade 42CrMo4, including requirements for chemical composition, mechanical properties, hardness values, and other relevant characteristics. The standard ensures consistent quality and enables proper processing and utilization of the steel in various industries.
Mechanical properties specified in the standard include minimum and maximum values for tensile strength, yield strength, elongation, and impact energy. Hardness values are also defined to ensure the desired hardness levels can be achieved through appropriate heat treatment processes.
Heat treatment guidelines are provided to achieve the desired properties in the steel. Processes such as quenching and tempering are detailed, specifying parameters such as heating and cooling rates, soaking temperatures, and durations for each stage of the heat treatment process.
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Property
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Temperature
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Value
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Density
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20.0 °C
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7.83 - 7.85 g/cm³
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Property
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Temperature
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Value
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Elastic modulus
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-100.0 °C
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217 GPa
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20.0 °C
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210 - 212 GPa
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100.0 °C
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205 - 207 GPa
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200.0 °C
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195 - 199 GPa
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300.0 °C
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185 - 192 GPa
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400.0 °C
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184 GPa
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500.0 °C
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175 GPa
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600.0 °C
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164 GPa
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Poisson's ratio
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20.0 °C
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0.28 [-]
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Shear modulus
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20.0 °C
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81 GPa
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Property
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Temperature
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Value
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Comment
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Coefficient of thermal expansion
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-100.0 °C
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1.05E-5 1/K
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20.0 °C
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1.15E-5 1/K
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100.0 °C
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1.11E-5 - 1.21E-5 1/K
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200.0 °C
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1.21E-5 - 1.27E-5 1/K
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300.0 °C
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1.29E-5 - 1.32E-5 1/K
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400.0 °C
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1.35E-5 - 1.36E-5 1/K
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500.0 °C
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1.4E-5 1/K
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600.0 °C
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1.44E-5 1/K
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Melting point
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1382 - 1529 °C
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Typical for Chromium Molybdenum Steel
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Specific heat capacity
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-100.0 °C
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423 J/(kg·K)
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20.0 °C
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460 - 461 J/(kg·K)
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100.0 °C
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479 J/(kg·K)
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200.0 °C
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499 J/(kg·K)
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300.0 °C
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517 J/(kg·K)
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400.0 °C
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536 J/(kg·K)
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500.0 °C
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558 J/(kg·K)
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600.0 °C
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587 J/(kg·K)
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Thermal conductivity
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20.0 °C
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42 - 45.1 W/(m·K)
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100.0 °C
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45.1 W/(m·K)
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200.0 °C
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44.1 W/(m·K)
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300.0 °C
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41.9 W/(m·K)
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400.0 °C
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39.4 W/(m·K)
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500.0 °C
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36.9 W/(m·K)
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600.0 °C
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34.4 W/(m·K)
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Thermal diffusivity
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20.0 °C
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12.5 mm²/s
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100.0 °C
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11.6 mm²/s
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200.0 °C
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10.6 mm²/s
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300.0 °C
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9.5 mm²/s
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400.0 °C
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8.4 mm²/s
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500.0 °C
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7.1 mm²/s
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600.0 °C
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5.8 mm²/s
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Property
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Temperature
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Value
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Electrical resistivity
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20.0 °C
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1.9E-7 - 2.31E-7 Ω·m
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100.0 °C
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2.84E-7 Ω·m
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200.0 °C
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3.58E-7 Ω·m
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300.0 °C
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4.48E-7 Ω·m
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400.0 °C
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5.52E-7 Ω·m
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500.0 °C
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6.71E-7 Ω·m
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600.0 °C
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8.06E-7 Ω·m
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Property
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Value
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|---|---|
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Carbon
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0.38 - 0.45 %
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Chromium
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0.9 - 1.2 %
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Copper
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0.4 %
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Manganese
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0.6 - 0.9 %
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Molybdenum
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0.15 - 0.3 %
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Phosphorus
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0.03 %
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Silicon
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0.1 - 0.4 %
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Sulfur
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0.035 %
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