EN 10083-3 30NiCrMo16-6 Introduce
EN 10083-3 30NiCrMo16-6 is a high-performance alloy steel with a wide range of applications in the automotive, construction and agricultural industries. The machining of this steel requires careful consideration of its heat treatment, cutting tools and speeds, workpiece setup and coolant selection. Following the guidelines outlined above, it is possible to achieve desired performance characteristics when machining EN 10083-3 30NiCrMo16-6 steel.
Smelting temperature:1227°C - 1918°C
Application:Steels for quenching and tempering - part 3: technical delivery conditions for alloy steels
EN 10083-3 30NiCrMo16-6 Material Chemical Composition
The chemical composition of the EN 10083-3 30NiCrMo16-6 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | 0.1500 | 0.3500 |
| Sulfur (S) | - | 0.0350 |
| PhOsphorus (P) | - | 0.0350 |
| Nickel (Ni) | 3.8000 | 4.2000 |
| Molybdenum (Mo) | 0.4000 | 0.5000 |
| Manganese (Mn) | 0.4000 | 0.6000 |
| Chromium (Cr) | 1.3000 | 1.5000 |
| Carbon (C) | 0.2700 | 0.3300 |
EN 10083-3 30NiCrMo16-6 Material Mechanical Properties
Tensile strength is a measure of a material's ability to resist being pulled apart. EN 10083-3 30NiCrMo16-6 steel has a high tensile strength, ranging from 490 N/mm2 to 840 N/mm2 depending on the grade. The higher the tensile strength, the greater the material's resistance to breakage or distortion.
The mechanical properties of the EN 10083-3 30NiCrMo16-6 steel are as follows:
| YieldRp0.2 | 294 (≥)(MPa) |
| TeileRm | 491 (≥)(MPa) |
| ImpactKV/Ku | 12(J) |
| ElongationA | 43% |
| Reduction in cross section on fractureZ | 21% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 342 |
EN 10083-3 30NiCrMo16-6 Material Thermal Properties
The thermal performance parameters of the EN 10083-3 30NiCrMo16-6 steel are as follows:
| Temperature (°C) | 43 | 569 | 526 |
| Modulus of elasticity (GPa) | - | 876 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 43 |
| Thermal conductivity (W/m·°C) | - | 23.3 | 22.2 |
| Specific thermal capacity (J/kg·°C) | - | 411 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.34 | - | - |
| Deity (kg/dm³) | - | - | 412 |
| Poisson’s coefficient, ν | - | - | 221 |
EN 10083-3 30NiCrMo16-6 Material Machining Technology
Selecting the proper cutting tool for machining EN 10083-3 30NiCrMo16-6 steel is essential for achieving desired performance characteristics. High speed steel tools are typically the preferred choice, but carbide tools may be used in some cases. The tool's design should also be considered when selecting the cutting tool; tools with straight flutes, helical flutes, and staggered flutes are available. The tool geometry and type should be matched to the part geometry and cutting conditions to ensure optimal cutting performance.