Stainless Steel - Grade 2304/1.4362
Description
Duplex stainless steel grade 2304/1.4362 is a lean duplex alloy characterized by a balanced microstructure of ferrite and austenite. It offers an excellent combination of corrosion resistance and mechanical strength, making it suitable for various industrial applications.
Chemical Composition
The typical chemical composition of Duplex 2304 is as follows:
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.03 max |
| Manganese (Mn) | 2.5 max |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.03 max |
| Silicon (Si) | 1.0 max |
| Chromium (Cr) | 21.5 - 24.5 |
| Nickel (Ni) | 3.0 - 5.5 |
| Molybdenum (Mo) | 0.05 - 0.6 |
| Copper (Cu) | 0.05 - 0.6 |
| Nitrogen (N) | 0.05 - 0.2 |
| Iron (Fe) | Balance |
Mechanical Properties
The mechanical properties of Duplex 2304/1.4362 are summarized below:
| Property | Value |
|---|---|
| Yield Strength (0.2% offset) | 400 MPa (58 ksi) |
| Tensile Strength | 600 MPa (87 ksi) |
| Elongation (% in 50mm) | 25% |
| Hardness (Brinell) | 293 HB |
Thermal & Physical Properties
The thermal and physical properties include:
| Property | Value |
|---|---|
| Density | 7800 kg/m³ (0.28 lb/in³) |
| Coefficient of Thermal Expansion | 13 - 14 x 10⁻⁶/°C |
| Thermal Conductivity | 17 - 20 W/m•K |
| Electrical Resistivity | 80 - 92 nΩ•m |
Other Designations
Fabrication and Heat Treatment
Duplex 2304 can be fabricated using standard methods including welding (TIG, MIG, etc.), machining, and forming. It does not require pre-heating or post-weld heat treatment, making it easier to work with compared to some other stainless steels.
Applications
Duplex 2304/1.4362 is commonly used in various industries, including:
Supplied Forms
Duplex 2304/1.4362 is available in various forms, including:
Features
DIN Number
The DIN number for Duplex 2304 is 1.4362. This datasheet provides a comprehensive overview of Duplex Stainless Steel Grade 2304, highlighting its properties, applications, and advantages in various industrial settings.