EN 10083-3 33MnCrB5-2 Introduce
Steel is one of the most important and versatile metals used in engineering and manufacturing around the world. It is used to create a variety of products, from everyday items like nails and tools to more complex items like cars, ships and airplanes. However, the quality of steel can vary significantly depending on the manufacturer and process used to produce it. Thus, it is essential to ensure consistent quality standards when using steel for engineering purposes.
Smelting temperature:1959°C - 1796°C
Application:Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels
EN 10083-3 33MnCrB5-2 Material Chemical Composition
The chemical composition of the EN 10083-3 33MnCrB5-2 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 0.4000 |
| Sulfur (S) | - | 0.0350 |
| PhOsphorus (P) | - | 0.0250 |
| Manganese (Mn) | 1.2000 | 1.5000 |
| Chromium (Cr) | 0.3000 | 0.6000 |
| Carbon (C) | 0.3000 | 0.3600 |
| Boron (B) | 0.0008 | 0.0050 |
EN 10083-3 33MnCrB5-2 Material Mechanical Properties
EN 10083-3 33MnCrB5-2 is a steel alloy used in various industries including automotive, aerospace, and marine. This alloy is popular because of its exceptional strength and corrosion resistance. With its superior properties, it has become a material of choice for many applications.
The mechanical properties of the EN 10083-3 33MnCrB5-2 steel are as follows:
| YieldRp0.2 | 744 (≥)(MPa) |
| TeileRm | 254 (≥)(MPa) |
| ImpactKV/Ku | 31(J) |
| ElongationA | 34% |
| Reduction in cross section on fractureZ | 14% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 434 |
EN 10083-3 33MnCrB5-2 Material Thermal Properties
The thermal performance parameters of the EN 10083-3 33MnCrB5-2 steel are as follows:
| Temperature (°C) | 41 | 282 | 378 |
| Modulus of elasticity (GPa) | - | 615 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 33 |
| Thermal conductivity (W/m·°C) | - | 14.3 | 32.2 |
| Specific thermal capacity (J/kg·°C) | - | 123 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.34 | - | - |
| Deity (kg/dm³) | - | - | 444 |
| Poisson’s coefficient, ν | - | - | 142 |
EN 10083-3 33MnCrB5-2 Material Machining Technology
Heat treatment is an important aspect of machining EN 10083-3 33MnCrB5-2 steel. The proper heat treatment of this steel can result in improved hardness, strength, and machinability properties. It can also minimize the likelihood of warping and distortion during the machining process. Heat treatment typically involves an annealing, quenching, and tempering cycle. The annealing process is used to reduce hardness and increase ductility in the steel. The quenching process is used to increase the hardness of the steel. Finally, the tempering process is used to increase wear and corrosion resistance.