DIN 17230 1.3553 Introduce
The mechanical properties found in DIN 17230 1.3553 are typically used in engineering applications where strength and resistance are paramount. In the aerospace industry, DIN 17230 1.3553 and its mechanical properties are highly important for the production of components for lightweight, safe, and reliable aircrafts. To create components for an aircraft, it is necessary to consider the yield strength, tensile strength, and hardness. These are required to create components that are able to withstand extreme temperatures, pressures, and weight loads without exhibiting any permanent deformation or breakage.
Smelting temperature:1187°C - 1872°C
Application:Ball and Roller Bearing Steels; Technical Conditions of Delivery
DIN 17230 1.3553 Material Mechanical Properties
The mechanical properties of the DIN 17230 1.3553 steel are as follows:
| YieldRp0.2 | ≤ 823 (MPa) |
| TeileRm | ≤ 392 (MPa) |
| ImpactKV/Ku | 24(J) |
| ElongationA | 41% |
| Reduction in cross section on fractureZ | 14% |
| As-Heat-Treated Condition | Solution and Aging, Annealing, Ausaging, Q+T,etc |
| Brinell hardness (HBW) | 334 |
DIN 17230 1.3553 Material Thermal Properties
The thermal performance parameters of the DIN 17230 1.3553 steel are as follows:
| Temperature (°C) | 31 | 166 | 221 |
| Modulus of elasticity (GPa) | - | 385 | - |
| Mean coefficient of thermal expaion ×10-6/(°C) | - | - | 14 |
| Thermal conductivity (W/m·°C) | - | 22.3 | 22.2 |
| Specific thermal capacity (J/kg·°C) | - | 423 | - |
| Specific electrical resistivity (Ω mm²/m) | 0.33 | - | - |
| Deity (kg/dm³) | - | - | 314 |
| Poisson’s coefficient, ν | - | - | 242 |