Duplex 2304 Flanges are high-performance components made from Duplex stainless steel grade 2304, designed for various piping applications. Manufactured and exported by Ferro Fittings and Alloys in Mumbai, these flanges provide excellent corrosion resistance and strength, making them suitable for demanding environments. Their robust design and superior material characteristics make them a preferred choice in industries requiring reliable and durable fittings.
These flanges conform to various industry standards, including ASTM A240, ASME SA240, EN 10088, and DIN 1.4362. They are available in size ranges from DN 15 to DN 600 (NPS ½ to NPS 24) and pressure ratings from Class 150 to Class 2500 or PN10 to PN400. The temperature range for Duplex 2304 Flanges is typically from -50°C to 300°C. These flanges can feature various end connections, such as weld neck, slip-on, blind, and threaded, providing versatility for different installation requirements.
Duplex 2304 Flanges find applications across multiple industry verticals, including Oil & Gas, Petrochemical, Chemical, Power Generation, and Pharmaceutical sectors. They are also widely used in Shipbuilding and Water Treatment facilities. With a growing export market in regions such as the UAE, Saudi Arabia, Qatar, the UK, and the USA, these flanges are crucial for projects involving Engineering, Procurement, and Construction (EPC), Lump Sum Turnkey (LSTK) contracts, and maintenance operations.
Ferro Fittings and Alloys is committed to quality, holding a strong ISO 9001:2015 certification and providing EN 10204 3.1 / 3.2 Mill Test Certificates for our products. Our in-house testing capabilities include PMI, Hydrostatic, Hardness, Impact (Charpy), Ultrasonic Testing (UT), and Liquid Penetrant Testing (LPT). Additionally, our products comply with NACE MR 0175 / ISO 15156 standards to ensure performance in sour service environments. Request a free MTC sample or get a quick quote via WhatsApp.
Choosing Ferro Fittings means opting for a reliable partner with competitive lead times of just 2–4 weeks, no minimum order quantity, and ample stock availability. We offer flexible shipping terms, including FOB Mumbai, CIF, and CFR, along with full export documentation. For inquiries, please contact us at +91-86550-39959, reach out via WhatsApp at wa.me/+918655039959, or email us at sales@ferrofittings.com.
Trusted manufacturer & exporter of Flanges, Pipe Fittings and Valves in 30+ countries.
1–4 weeks depending on size, grade & quantity.
Urgent and bulk orders handled efficiently.FOB, CIF, CFR, EXW, DDP (Incoterms 2020).
Door-to-port and door-to-door delivery available.Sea Freight / Air Cargo / Express Courier.
Complete export documentation & tracking support.Trusted by EPC contractors, procurement teams, and global industrial buyers across multiple countries for certified supply and reliable delivery.
Direct supply with bulk stock availability to reduce your overall project cost.
ISO 9001, ISO 14001, ISO 45001, PED certified with full test certificates.
Safe, sea-worthy packaging ensuring damage-free international delivery.
Selecting the right partner for Duplex 2304 Flanges is critical for ensuring product quality, long-term performance, and successful project execution. As a trusted manufacturer and exporter, Ferro Fittings and Alloys delivers high-quality materials meeting international standards and global industry requirements.
Understand the key differences between local suppliers, trading companies, and professional manufacturers & exporters like Ferro Fittings and Alloys.
| Evaluation Factor | Small Local Suppliers | Trading Companies | Ferro Fittings and Alloys |
|---|---|---|---|
| Manufacturing Control | Limited or outsourced production | Dependent on third-party mills | Direct manufacturing with strict quality control |
| Standards Compliance | Basic or local standards | Varies depending on supplier | ASTM, ASME, ANSI, EN, ISO certified products |
| Inspection & Certification | Limited documentation | Inconsistent certification | MTC, TPI, and full export documentation provided |
| Export Capability | Mostly domestic supply | Moderate export handling | Global exports with complete logistics support |
| Delivery Reliability | Uncertain timelines | Depends on sourcing chain | Consistent lead times with ready stock availability |
| Project Risk Level | High | Medium | Low |
| Product | Composition | Standard | Application |
|---|---|---|---|
| Duplex 2304 Flanges | Fe, 22% Cr, 4.5% Ni, 0.3% Mo, 0.03% C | ASTM A240, ASME SA240 | Used in chemical processing, oil and gas applications, and marine environments |
| Duplex 2304 Flanges | Fe, 22% Cr, 4.5% Ni, 0.3% Mo, 0.03% C | EN 10088-1 | Ideal for high strength and corrosion resistance in harsh conditions |
| Duplex 2304 Flanges | Fe, 22% Cr, 4.5% Ni, 0.3% Mo, 0.03% C | DIN 17440 | Suitable for pressure vessels and piping systems |
Duplex 2304 Flanges are designed to provide superior strength and corrosion resistance, making them an ideal choice for various industrial applications. With a composition that includes 22% chromium and 4.5% nickel, these flanges offer excellent mechanical properties and resistance to pitting and crevice corrosion. At Ferro Fittings and Alloys, we maintain ISO 9001:2015 certification and provide MTCs (Material Test Certificates) to ensure the quality of our products. Our Duplex 2304 Flanges are available with quick delivery options and no minimum order quantity restrictions. Contact us for a quick quote or request a free sample MTC today!
| Material | Duplex 2304 |
|---|---|
| Grades | UNS S32304 |
| Standard | ASTM A240, ASTM A182 |
| Size Range | 1/2" to 24" |
| Pressure Rating | Class 150 to Class 2500 |
| Surface Finish | Pickled and Passivated |
| End Connection | Weld Neck, Slip-On, Blind, Socket Weld |
| Form | Flat, Raised Face, RTJ |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| S32304 | Duplex 2304 | Excellent corrosion resistance and high strength | Food processing, chemical processing, and marine applications |
| S32304 | Duplex 2304 | Good weldability and formability | Pipelines, pressure vessels, and heat exchangers |
| S32304 | Duplex 2304 | Lower nickel content compared to austenitic grades | Oil and gas industry, wastewater treatment |
| S32304 | Duplex 2304 | High resistance to stress corrosion cracking | Marine environments and chloride-containing solutions |
| S32304 | Duplex 2304 | Good mechanical properties at elevated temperatures | Heat exchangers and industrial piping systems |
| Size / DN | Pressure Class | Wall Thickness | Length |
|---|---|---|---|
| 1/2" (15 mm) | 150 | 0.120" (3.05 mm) | 5.0" (127 mm) |
| 3/4" (20 mm) | 150 | 0.120" (3.05 mm) | 5.0" (127 mm) |
| 1" (25 mm) | 150 | 0.120" (3.05 mm) | 5.0" (127 mm) |
| 1-1/2" (40 mm) | 150 | 0.145" (3.68 mm) | 5.0" (127 mm) |
| 2" (50 mm) | 150 | 0.145" (3.68 mm) | 5.0" (127 mm) |
| 3" (80 mm) | 150 | 0.145" (3.68 mm) | 5.0" (127 mm) |
| Element | Min (%) | Max (%) |
|---|---|---|
| Chromium (Cr) | 22 | 24 |
| Nickel (Ni) | 4.5 | 6.5 |
| Molybdenum (Mo) | 0.3 | 0.6 |
| Carbon (C) | 0.03 | 0.03 |
| Manganese (Mn) | 0.8 | 1.2 |
| Silicon (Si) | 0.2 | 0.8 |
| Iron (Fe) | Balance | Balance |
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Yield Strength (0.2% Proof Stress) | 450 | MPa | EN 10088-3 |
| Ultimate Tensile Strength | 650 | MPa | EN 10088-3 |
| Elongation in 25mm | 25 | % | EN 10088-3 |
| Hardness (HV) | 240 | HV | ASTM E92 |
| Impact Toughness (Charpy) | 80 | J | EN 10088-3 |
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Density | 7.1 g/cm³ | 0.256 lb/in³ |
| Melting Point | 1400 - 1450 °C | 2552 - 2642 °F |
| Specific Heat | 0.5 kJ/kg·K | 0.12 BTU/lb·°F |
| Thermal Conductivity | 3.0 W/m·K | 20.8 BTU·in/(hr·ft²·°F) |
| Electrical Resistivity | 0.72 µΩ·m | 0.00000072 Ω·m |
| Standard | Grade | UNS | Werkstoff Nr. | BS |
|---|---|---|---|---|
| AISI | Duplex 2304 | S32304 | 1.4362 | BS 6744 |
| ASTM | ASTM A240 | S32304 | 1.4362 | BS 6744 |
| EN | EN 10088-2 | S32304 | 1.4362 | BS 6744 |
At Ferro Fittings and Alloys, we ensure that all raw materials for Duplex 2304 flanges are sourced from certified suppliers. Each batch undergoes a thorough inspection to verify compliance with ASTM A240 and ASME SA240 standards. We perform Positive Material Identification (PMI) tests to confirm the material's composition, ensuring it meets the required specifications.
The forming and fabrication of Duplex 2304 flanges involve advanced techniques such as hot forging and cold working, ensuring dimensional accuracy and enhanced mechanical properties. Our flanges are available in various sizes, including DN15 to DN600, with a pressure rating of up to 1500# as per ASME B16.5. We maintain strict tolerances in accordance with EN 1092-1 to guarantee a perfect fit in piping systems.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Solution Annealing | 1020 - 1100 | Air | To dissolve carbides and enhance corrosion resistance |
| Quenching | 20 - 50 | Water | To achieve desired mechanical properties and microstructure |
Our quality inspection process includes rigorous testing methods such as Hydrostatic Testing, Charpy Impact Testing, and Radiographic Testing, ensuring that Duplex 2304 flanges meet international standards. We provide Material Test Certificates (MTC) in accordance with EN 10204 3.1 and 3.2, and our products are compliant with ISO 9001:2015. With our commitment to quality, we serve over 50 countries, including the UAE, USA, and Germany. Contact us for a quick quote today!
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| Duplex 2304 | 1/2" (15 mm) | $8.50 | ₹700 |
| Duplex 2304 | 1" (25 mm) | $8.50 | ₹700 |
| Duplex 2304 | 2" (50 mm) | $8.50 | ₹700 |
| Duplex 2304 | 4" (100 mm) | $8.50 | ₹700 |
Note: Prices are indicative and subject to change based on quantity, raw material costs, and delivery terms. Contact us for the latest quotation.
Our multiple locations and strong logistics network make it easy for customers across India to source Duplex 2304 Flanges from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports Duplex 2304 Flanges to 50+ countries worldwide. We handle all export documentation, sea-worthy packaging, and logistics to ensure on-time, damage-free delivery anywhere in the world.
Explore more industrial materials and pipe fittings from Ferro Fittings and Alloys.
Fill in your requirements and our sales team will respond within 24 hours with pricing, availability, and delivery details.
Ferro Fittings and Alloys is a leading ISO 9001:2015 certified manufacturer, supplier, and exporter of high-quality pipe fittings, valves, flanges, round bars, sheets, plates, pipes, tubes, and expansion bellows. Based in Mumbai, India, we serve industrial sectors including oil & gas, petrochemical, power generation, pharmaceuticals, marine, and construction.
We supply a comprehensive range of grades — Stainless Steel, Duplex & Super Duplex, Carbon Steel, Alloy Steel, Inconel, Hastelloy, Monel, Titanium, Nickel, and Nimonic Alloys — to customers in 50+ countries. Our products are manufactured as per ASTM, ASME, ANSI, MSS, BS, DIN, and EN standards with EN 10204 3.1/3.2 Mill Test Certificates.
📍 Address: 6th Kumbharwada, Shop No. 154, Near Alankar Cinemas, Mumbai 400 004
📞 Mr. Aashit Shah: +91 86524 99959
📞 Mr. Bhavin Shah: +91 86550 39959
Click a destination to view country-specific details & request a quote
