Stainless Steel 1.4567 / AISI 304Cu
General Technical Characteristics
Stainless steel 1.4567 / AISI 304Cu is an austenitic corrosion-resistant steel based on the chromium–nickel system with the addition of copper. The presence of copper improves the plasticity of the material and increases its resistance to deformation, making this grade especially suitable for deep drawing and cold forming operations.
AISI 304Cu steel demonstrates good corrosion resistance in atmospheric conditions as well as in mildly aggressive chemical environments. Due to the combination of high ductility, strength, and good machinability, stainless steel 1.4567 is widely used in various industries.
The material is characterized by excellent manufacturability and the ability to maintain its properties during long-term operation.
Applications
Stainless steel 1.4567 / AISI 304Cu is used in various industries:
- mechanical engineering
- household appliance manufacturing
- food industry
- production of tanks and reservoirs
- manufacturing of parts by deep drawing
- architectural and decorative elements
- components of equipment and pipeline systems
Due to its high ductility, AISI 304Cu is widely used for manufacturing complex-shaped products.
Features and Advantages
Key advantages of stainless steel 1.4567:
- high ductility and excellent formability
- improved deep drawing properties
- good corrosion resistance
- stable mechanical properties
- good weldability
- durability and operational reliability
The addition of copper makes AISI 304Cu particularly effective for cold deformation processes.
Chemical Composition
| Element | Content % |
|---|---|
| Chromium (Cr) | 17–19 |
| Nickel (Ni) | 8–10 |
| Copper (Cu) | 2–4 |
| Manganese (Mn) | ≤ 2 |
| Silicon (Si) | ≤ 1 |
| Carbon (C) | ≤ 0.08 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Iron (Fe) | balance |
Mechanical Properties
Main mechanical properties of AISI 304Cu steel:
- Tensile Strength (Rm): 520–720 MPa
- Yield Strength (Rp0.2): ≥ 210 MPa
- Elongation: ≥ 40 %
- Hardness: up to 200 HB
High ductility and good corrosion resistance make stainless steel 1.4567 / AISI 304Cu an optimal choice for manufacturing complex-shaped components and equipment used in various industrial environments.


