EN 10088-1 X2CrNiMoN29-7-2 Introduce
The EN 10088-1 standard is intended to ensure that steels used in different applications retain their properties and integrity even when exposed to temperatures greater than their normal operating temperatures. Under this standard, EN 10088-1 steels are classified according to their thermal properties. These properties are determined by tests such as thermal expansion, thermal conductivity and thermal diffusivity tests.
Smelting temperature:1168°C - 1943°C
Application:Stainless steels. List of stainless steels
EN 10088-1 X2CrNiMoN29-7-2 Material Chemical Composition
The chemical composition of the EN 10088-1 X2CrNiMoN29-7-2 steel are as follows:
| Element | Min | Max |
|---|---|---|
| Silicon (Si) | - | 0.5000 |
| Sulfur (S) | - | 0.0150 |
| PhOsphorus (P) | - | 0.0300 |
| Nickel (Ni) | 5.8000 | 7.5000 |
| Nitrogen (N) | 0.3000 | 0.4000 |
| Molybdenum (Mo) | 1.5000 | 2.6000 |
| Manganese (Mn) | 0.8000 | 1.5000 |
| Copper (Cu) | - | 0.8000 |
| Chromium (Cr) | 28.0000 | 30.0000 |
| Carbon (C) | - | 0.0300 |
EN 10088-1 X2CrNiMoN29-7-2 Material Mechanical Properties
One of the main advantages of EN 10088-1 X2CrNiMoN29-7-2 steel is its corrosion resistance. The inclusion of chromium in the alloy causes a layer of chromium oxide to form on the surface of the steel, effectively creating a barrier which prevents oxidation and corrosion. This layer is incredibly thin, but strong enough to provide excellent protection from the elements. As such, EN 10088-1 X2CrNiMoN29-7-2 steels are ideal for applications where it is necessary to maintain a neat and clean surface, such as in food processing or medical equipment.
The mechanical properties of the EN 10088-1 X2CrNiMoN29-7-2 steel are as follows:
| YieldRp0.2 | ≤ 599 (MPa) |
| TeileRm | ≤ 386 (MPa) |
| ImpactKV/Ku | 11(J) |
| ElongationA | 32% |
| Reduction in cross section on fractureZ | 11% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 311 |
EN 10088-1 X2CrNiMoN29-7-2 Material Thermal Properties
The thermal performance parameters of the EN 10088-1 X2CrNiMoN29-7-2 steel are as follows:
| Temperature (°C) | 31 | 867 | 515 |
| Modulus of elasticity (GPa) | - | 766 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 41 |
| Thermal conductivity (W/m·°C) | - | 11.3 | 12.2 |
| Specific thermal capacity (J/kg·°C) | - | 423 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.42 | - | - |
| Deity (kg/dm³) | - | - | 432 |
| Poisson’s coefficient, ν | - | - | 121 |
EN 10088-1 X2CrNiMoN29-7-2 Material Machining Technology
The machining process for EN 10088-1 X2CrNiMoN29-7-2 steel follows the same basic steps as other types of steel, but it can be more difficult due to the material's hardness and higher resistance to heat. First, the material must be cut, which may be done either by hand-held tools or by a machine. Hand tools such as hacksaws, files, and chisels can be used to achieve the desired shape or size. If using a machine, the appropriate feed rate and cutting tool must be determined in order to obtain the desired results.