Our
product range
Quality 1.4873
General Product Description
Material number 1.4873
Short name according to EN 1.4873
Applicable standards DIN 17480
Treatment solution annealed
Variations
| Quality | Treatment | Shape | Dimension (mm) |
|---|---|---|---|
| 1.4873 | solution annealed |  Round | 12 - 65 |
Description
The material 1.4873 is an austenitic valve steel. The Cr-Ni-Si-W steel has good mechanical properties and high resistance to hot corrosion. Suitable for medium-heavy engines. Application: mechanical engineering, apparatus engineering, toolmaking, highly stressed exhaust valves in aircraft and racing engines.
Chemical composition (in %)
| C | Cr | Ni | Mn | Si | P | S | W | |
|---|---|---|---|---|---|---|---|---|
| Min | 0,40 | 17,0 | 8,0 | 0,80 | 2,0 | - | - | 0,80 |
| Max | 0,50 | 19,0 | 10,0 | 1,5 | 3,0 | 0,045 | 0,03 | 1,20 |
| Element | Min | Max |
|---|---|---|
| C | 0,40 | 0,50 |
| Cr | 17,0 | 19,0 |
| Ni | 8,0 | 10,0 |
| Mn | 0,80 | 1,5 |
| Si | 2,0 | 3,0 |
| P | - | 0,045 |
| S | - | 0,03 |
| W | 0,80 | 1,20 |
Mechanical properties (solution-annealed)
Tensile strength Rm ≤ 1300 N/mm2
0.2% proof stress Rp0.2 – N/mm2
Elongation at break A5 – %
Notched impact energy (ISO-V) – J
Hardness – HB
Magnetizability No
Typical areas of application
Mechanical engineering
Highly Stressed Exhaust Valves
Aircraft and Racing Engines
equipment manufacturing
toolmaking
General properties (solution-annealed)
Corrosion Resistance
Weldability
Forgeability
Tensionability
Note
All information in this data sheet has been compiled to the best of our knowledge and belief. It is for information purposes only and does not constitute a assured property or guarantee. For the suitability of the material in specific applications, we recommend carrying out appropriate inspections and tests. Any liability for damage or errors is excluded.