- Excellent resistance to stress corrosion cracking
- Good resistance to pitting and crevice corrosion
- Higher mechanical strength than 304 and 316 stainless steel
- Good weldability and fabrication performance
- Cost-effective duplex stainless steel solution
- Suitable for chloride-rich environments
2304/S32304/1.4362 duplex stainless steel
2304 duplex stainless steel is a lean duplex stainless steel grade known for its excellent corrosion resistance, high mechanical strength, and improved resistance to stress corrosion cracking. Identified by UNS S32304, 2304 combines ferritic and austenitic microstructures for enhanced durability and performance.
2304 duplex stainless steel provides a cost-effective alternative to standard austenitic stainless steels such as 304L and 316L, especially in chloride-containing environments.
Key Features of 2304 Duplex Stainless Steel
- Excellent resistance to stress corrosion cracking
- Good resistance to pitting and crevice corrosion
- Higher mechanical strength than 304 and 316 stainless steel
- Good weldability and fabrication performance
- Cost-effective duplex stainless steel solution
- Suitable for chloride-rich environments
2304 Chemical Composition
| Element | Content (%) |
|---|---|
| Chromium (Cr) | 21.5 – 24.5 |
| Nickel (Ni) | 3.0 – 5.5 |
| Molybdenum (Mo) | Max 0.6 |
| Nitrogen (N) | 0.05 – 0.20 |
| Carbon (C) | Max 0.03 |
| Manganese (Mn) | Max 2.5 |
| Silicon (Si) | Max 1.0 |
| Iron (Fe) | Balance |
2304 Mechanical Properties
| Property | Value |
| Tensile Strength | ≥ 600 MPa |
| Yield Strength | ≥ 400 MPa |
| Elongation | ≥ 25% |
| Hardness | ≤ 290 HB |
Applications of 2304 Duplex Stainless Steel
2304 duplex stainless steel is widely used in industries requiring corrosion resistance and high strength:
- Chemical processing equipment
- Storage tanks
- Heat exchangers
- Water treatment systems
- Pulp and paper industry
- Marine engineering
- Structural applications
- Industrial piping systems
- Pressure vessels
Why Choose 2304 Duplex Stainless Steel?
2304 duplex stainless steel offers a balance between corrosion resistance, strength, and cost efficiency. It provides better resistance to chloride stress corrosion cracking compared to conventional stainless steels.
Its lean duplex structure makes it a reliable choice for industrial environments where durability and cost control are important.
2304 Equivalent Grades
| Standard | Grade |
| UNS | S32304 |
| EN | 1.4362 |
| DIN | X2CrNiN23-4 |
| ASTM | 2304 Duplex Stainless Steel |
FAQ
What is 2304 duplex stainless steel used for?
2304 duplex stainless steel is used in chemical processing, water treatment, heat exchangers, marine engineering, and industrial piping systems.
Is 2304 duplex stainless steel corrosion resistant?
Yes, 2304 provides excellent resistance to stress corrosion cracking, pitting, and chloride-containing environments.
What is the UNS number for 2304?
The UNS designation for 2304 duplex stainless steel is UNS S32304.
Is 2304 duplex stainless steel magnetic?
Due to its duplex microstructure, 2304 stainless steel may exhibit slight magnetic properties.
What forms are available for 2304 duplex stainless steel?
2304 duplex stainless steel is available as pipe, tube, plate, sheet, bar, fittings, and flanges.
2304 Supplier & Manufacturer
We provide premium-quality 2304 duplex stainless steel materials for industrial and engineering applications worldwide. Available in custom sizes, finishes, and specifications.
Contact us for pricing, technical data sheets, and bulk order inquiries.
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