EN 10083-3 39MnCrB6-2H Introduce
The EN 10083-3 39MnCrB6-2H steel is also widely used in the manufacturing of machinery, such as machine tools, presses, and cranes. In the energy industry, the steel is often used for components such as steam and gas turbines. In the medical industry, the steel is often used for components such as medical probes and implants.
Smelting temperature:1659°C - 1979°C
Application:Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels
EN 10083-3 39MnCrB6-2H Material Chemical Composition
The chemical composition of the EN 10083-3 39MnCrB6-2H 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) | 1.4000 | 1.7000 |
| Silicon (Si) | - | 0.4000 |
| Carbon (C) | 0.3600 | 0.4200 |
EN 10083-3 39MnCrB6-2H Material Mechanical Properties
The ductility of EN 10083-3 39MnCrB6-2H 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 39MnCrB6-2H steel are as follows:
| YieldRp0.2 | 368 (≥)(MPa) |
| TeileRm | 869 (≥)(MPa) |
| ImpactKV/Ku | 41(J) |
| ElongationA | 31% |
| Reduction in cross section on fractureZ | 41% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 143 |
EN 10083-3 39MnCrB6-2H Material Thermal Properties
The thermal performance parameters of the EN 10083-3 39MnCrB6-2H steel are as follows:
| Temperature (°C) | 31 | 938 | 114 |
| Modulus of elasticity (GPa) | - | 355 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 12 |
| Thermal conductivity (W/m·°C) | - | 23.3 | 32.2 |
| Specific thermal capacity (J/kg·°C) | - | 222 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.41 | - | - |
| Deity (kg/dm³) | - | - | 244 |
| Poisson’s coefficient, ν | - | - | 232 |
EN 10083-3 39MnCrB6-2H Material Machining Technology
Proper workpiece setup is also an important aspect of machining EN 10083-3 39MnCrB6-2H 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.