1.4529 (X1NiCrMoCuN25-20-7): Premium Austenitic Steel for Corrosion Resistance
The material 1.4529 is an austenitic nickel-chromium-molybdenum steel with excellent corrosion resistance and good weldability. However, since the material also has a very high proportion of alloying elements, its machinability is very difficult.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 8.1 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 195 GPa | |
Elongation A5 | 23.0 °C | 40 % | min. |
Hardness, Brinell | 23.0 °C | 250 [-] | max. |
Tensile strength | 23.0 °C | 650 - 850 MPa | |
Yield strength Rp0.2 | 23.0 °C | 300 MPa | min. |
Thermal
| Property | Temperature | Value |
|---|---|---|
Specific heat capacity | 23.0 °C | 450 J/(kg·K) |
Thermal conductivity | 23.0 °C | 12 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 23.0 °C | 1E-6 Ω·m |
Magnetic
| Property | Value |
|---|---|
Magnetic properties | Magnetisation very low |
Chemical properties
| Property | Value | Comment |
|---|---|---|
Carbon | 0.02 % | max. |
Chromium | 19 - 21 % | |
Copper | 0.5 - 1.5 % | |
Manganese | 1 % | max. |
Molybdenum | 6 - 7 % | |
Nickel | 24 - 26 % | |
Nitrogen | 0.15 - 0.25 % | |
Phosphorus | 0.03 % | max. |
Silicon | 0.5 % | max. |
Sulfur | 0.01 % | max. |
Technological properties
| Property | ||
|---|---|---|
| Annealing | 1120-1180°C | |
| Application areas | Environmental Technology, Power engineering for onshore and offshore, Chemical & petrochemical, Ship building industry, Medical technology & pharmacy, Cellulose and textile industry, Architecture & Decoration | |
| Corrosion properties | Very good/excellent resistance against pitting corrosion | |
| General machinability | Very hard | |
| Polishing ability | Good | |
| Welding | TIG welding: suitable, MAG Solid wire: suitable, Arc welding: suitable, UP welding: suitable, Laser beam welding: suitable, Gas fusion welding: suitable. It has a tendency to hot crack formation. | |
| Workability | Hot forming: 950-1200°C | |
Metal
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- EN 10217-7 Grade X1NiCrMoCuN25-20-7 – Solution‑Annealed Stainless Steel for High‑Temperature Corrosion Resistance
- EN 10216‑5 Grade X1NiCrMoCuN25‑20‑7 – Solution Annealed Steel for Pressure Vessels & Nuclear Applications
- EN 10028-7 Grade X1NiCrMoCuN25-20-7 Solution Annealed (AT) – High-Performance Austenitic Steel
- EN 10272 Grade X1NiCrMoCuN25-20-7 Solution-Annealed Steel – High Corrosion Resistance & Strength
- 1.4529 (X1NiCrMoCuN25-20-7): Premium Austenitic Steel for Corrosion Resistance