EN 10083-3 33MnCrB5-2H 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:1926°C - 1317°C
Application:Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels
EN 10083-3 33MnCrB5-2H Material Chemical Composition
The chemical composition of the EN 10083-3 33MnCrB5-2H steel are as follows:
| Element | Min | Max |
|---|---|---|
| Boron (B) | 0.0008 | 0.0050 |
| Chromium (Cr) | 0.3000 | 0.6000 |
| PhOsphorus (P) | - | 0.0350 |
| Sulfur (S) | - | 0.0400 |
| Manganese (Mn) | 1.2000 | 1.5000 |
| Silicon (Si) | - | 0.4000 |
| Carbon (C) | 0.3000 | 0.3600 |
EN 10083-3 33MnCrB5-2H Material Mechanical Properties
The ductility of EN 10083-3 33MnCrB5-2H steel is also highly rated. The alloy exhibits good elongation even after extensive work hardening. This makes it suitable for applications that require a high degree of formability, such as automotive components.
The mechanical properties of the EN 10083-3 33MnCrB5-2H steel are as follows:
| YieldRp0.2 | 877 (≥)(MPa) |
| TeileRm | 412 (≥)(MPa) |
| ImpactKV/Ku | 24(J) |
| ElongationA | 32% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 211 |
EN 10083-3 33MnCrB5-2H Material Thermal Properties
The thermal performance parameters of the EN 10083-3 33MnCrB5-2H steel are as follows:
| Temperature (°C) | 23 | 448 | 579 |
| Modulus of elasticity (GPa) | - | 631 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 13 |
| Thermal conductivity (W/m·°C) | - | 32.3 | 32.2 |
| Specific thermal capacity (J/kg·°C) | - | 142 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.22 | - | - |
| Deity (kg/dm³) | - | - | 134 |
| Poisson’s coefficient, ν | - | - | 314 |
EN 10083-3 33MnCrB5-2H Material Machining Technology
Proper workpiece setup is also an important aspect of machining EN 10083-3 33MnCrB5-2H steel. The workpiece should be securely clamped and accurately aligned in the machine tools spindle. Additionally, it is important to ensure that the ridges formed on the cutting surfaces of the tool due to wear or skiving be taken into consideration to avoid run out on the workpiece.