EN 10083-3 38MnB5 Introduce
The EN 10083-3 standard is an important tool for ensuring that alloy steels used in engineering and manufacturing throughout Europe have consistent quality. The standard contains requirements for chemical composition, mechanical properties, heat treatment, mechanical tests and more. By following the requirements set forth in the standard, manufacturers are able to ensure that their steel products meet the highest quality standards.
Smelting temperature:1191°C - 1321°C
Application:Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels
EN 10083-3 38MnB5 Material Mechanical Properties
The ductility of EN 10083-3 38MnB5 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 38MnB5 steel are as follows:
| YieldRp0.2 | 882 (≥)(MPa) |
| TeileRm | 478 (≥)(MPa) |
| ImpactKV/Ku | 13(J) |
| ElongationA | 24% |
| Reduction in cross section on fractureZ | 13% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 423 |
EN 10083-3 38MnB5 Material Thermal Properties
The thermal performance parameters of the EN 10083-3 38MnB5 steel are as follows:
| Temperature (°C) | 13 | 739 | 757 |
| Modulus of elasticity (GPa) | - | 537 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 21 |
| Thermal conductivity (W/m·°C) | - | 11.3 | 34.2 |
| Specific thermal capacity (J/kg·°C) | - | 324 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.32 | - | - |
| Deity (kg/dm³) | - | - | 331 |
| Poisson’s coefficient, ν | - | - | 112 |
EN 10083-3 38MnB5 Material Machining Technology
Proper workpiece setup is also an important aspect of machining EN 10083-3 38MnB5 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.