Duplex 2304 Flanges Exporter in India are high-performance components made from the Duplex 2304 stainless steel grade, designed for superior corrosion resistance and strength. Ferro Fittings and Alloys, based in Mumbai, India, specializes in manufacturing and exporting these flanges to meet the diverse needs of various industries globally. Our commitment to quality and reliability positions us as a preferred supplier for clients seeking durable and efficient piping solutions.
Our Duplex 2304 flanges conform to international standards, including ASTM A240, ASME SA240, DIN 1.4362, and JIS G4304. They are available in a range of sizes from DN 15 to DN 600 (NPS ½ to NPS 24) and pressure ratings from Class 150 to Class 2500, as well as PN10 to PN400. These flanges are suitable for temperatures ranging from -50°C to 300°C and can be equipped with various end connections, including weld neck, slip-on, and blind types, ensuring versatility for a wide array of applications.
Duplex 2304 flanges are extensively utilized across several industry verticals, including Oil & Gas, Petrochemical, Chemical, Power, Pharmaceutical, and Shipbuilding. They play a crucial role in projects across the globe, particularly in regions like the UAE, Saudi Arabia, Qatar, the UK, and the USA. Whether for EPC contracts, LSTK projects, or maintenance operations, our flanges are engineered to meet the rigorous demands of these sectors.
At Ferro Fittings and Alloys, our commitment to quality is underscored by our ISO 9001:2015 certification and the availability of EN 10204 3.1 / 3.2 Mill Test Certificates. We conduct a range of in-house tests, including PMI, Hydrostatic, Hardness, Impact (Charpy), and UT to ensure the integrity of our products. Our flanges also comply with NACE MR 0175 / ISO 15156 standards for sour service applications. Request a free MTC sample or get a quick quote via WhatsApp.
Choosing Ferro Fittings and Alloys means opting for a supplier with a competitive lead time of just 2–4 weeks, no minimum order quantity, and excellent stock availability. We offer shipping terms including FOB Mumbai, CIF, and CFR, accompanied by full export documentation for a seamless transaction. For inquiries, feel free to reach us at +91-86550-39959, connect via WhatsApp at wa.me/+918655039959, or email us at export@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 Exporter in india 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, Cr (19-23%), Ni (3-5%), Mo (0.5-1.5%), N (0.08-0.2%) | ASTM A240, ASME SA240 | Used in piping systems for oil and gas, chemical processing, and seawater applications |
| Duplex 2304 Flanges | Fe, Cr (19-23%), Ni (3-5%), Mo (0.5-1.5%), N (0.08-0.2%) | EN 10088-2 | Ideal for applications requiring high strength and corrosion resistance |
| Duplex 2304 Flanges | Fe, Cr (19-23%), Ni (3-5%), Mo (0.5-1.5%), N (0.08-0.2%) | DIN 17440 | Suitable for marine environments and petrochemical industries |
Ferro Fittings and Alloys is a leading Duplex 2304 flanges exporter in India, recognized for our commitment to quality and adherence to international standards. Our flanges are manufactured from high-quality duplex stainless steel, ensuring excellent resistance to corrosion and high strength, making them suitable for various demanding applications. With certifications such as ISO 9001:2015 and compliance with PED 97/23/EC, we guarantee that our products meet the highest industry benchmarks. We offer a lead time of just 2–4 weeks for standard orders and can accommodate urgent requests. Our flanges are available in various sizes and dimensions, and we provide Material Test Certificates (MTC) and Positive Material Identification (PMI) upon request. Contact us for a quick quote or request a free sample MTC today!
Duplex 2304 is a lean duplex stainless steel with a ferritic-austenitic microstructure. Its principal designation is UNS S32304 / EN 1.4362 / X2CrNiN23-4. It offers higher strength and better resistance to stress-corrosion cracking than conventional austenitic grades, while using substantially less nickel and molybdenum than Duplex 2205.
| Specification | Duplex 2304 Flanges |
|---|---|
| Material | Duplex Stainless Steel |
| Grade | Duplex 2304 |
| ASTM Grade | UNS S32304; ASTM Type 2304 where specifically covered |
| ASME Material Specification | Applicable ASME/ASTM forging specification; verify approved product form and grade |
| UNS | S32304 |
| EN Grade | 1.4362 |
| EN Designation | X2CrNiN23-4 / X2CrNiN23-4-type duplex grade |
| JIS Grade | Equivalent grade to be confirmed against the applicable JIS product standard |
| Standards | ASME B16.5, ASME B16.47, EN 1092-1, JIS B2220 and other applicable standards |
| Size | NPS ½" to 24" (DN15–DN600) as per ASME B16.5; larger sizes as applicable to ASME B16.47/project requirements |
| Pressure Rating | ASME Class 150–2500, subject to applicable material/design pressure-temperature tables; PN ratings as per applicable EN standards |
| Flange Types | Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, Long Weld Neck, Orifice, Reducing, Spectacle Blind |
| Facing | RF, FF, RTJ, Male & Female, Tongue & Groove, as applicable |
| Bore | Standard pipe schedules or custom bore as specified |
| Manufacturing | Forged / Hot Forged & Machined |
| Heat Treatment | Solution Annealing / Solution Heat Treatment followed by rapid cooling, as required by the applicable material specification |
| Testing | Chemical, Mechanical, Dimensional, Visual, PMI, Hardness, Ferrite and NDT as specified |
| Certification | EN 10204 3.1 / 3.2 and Third-Party Inspection, as required |
| Applications | Oil & Gas, Offshore, Chemical, Petrochemical, Pulp & Paper, Marine, Desalination, Water Treatment, Pressure Vessels and Process Industries |
| 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 |
|---|---|---|---|
| 15 | 150 | 2.0 mm | 100 mm |
| 20 | 150 | 2.5 mm | 100 mm |
| 25 | 150 | 3.0 mm | 100 mm |
| 32 | 150 | 3.5 mm | 100 mm |
| 40 | 150 | 4.0 mm | 100 mm |
| 50 | 150 | 5.0 mm | 100 mm |
Typical composition for Duplex 2304 / UNS S32304 is:
| Element | Typical / Applicable value, wt.% |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.015–0.030, depending on specification |
| Chromium (Cr) | 22.0–24.0 |
| Nickel (Ni) | 3.5–5.5 |
| Molybdenum (Mo) | ≤ 0.60 |
| Nitrogen (N) | 0.05–0.20 |
| Copper (Cu) | typically ≤ 0.60 |
| Iron (Fe) | Balance |
Representative properties for Duplex 2304 are:
| Property | Typical / Minimum |
|---|---|
| Tensile Strength | approximately 650 MPa minimum for applicable wrought/forged specifications |
| Yield Strength, 0.2% | approximately 450 MPa minimum |
| Elongation | typically ≥ 25% |
| Hardness | As specified by applicable material standard |
| Modulus of Elasticity | approximately 200 GPa |
| Density | approximately 7.8 g/cm³ |
| 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 | 4.5 W/m·K | 31.2 BTU·in/h·ft²·°F |
| Electrical Resistivity | 0.72 µΩ·m | 0.00000072 Ω·m |
| Standard | Duplex 2304 Equivalent |
|---|---|
| UNS | S32304 |
| EN | 1.4362 |
| EN Designation | X2CrNiN23-4 |
| ASTM | UNS S32304 / ASTM Type 2304 where applicable |
| ASTM A182 Forging | F68, where specified |
| JIS | Equivalent grade must be confirmed against the applicable product standard |
| ISO | Equivalent designation to be confirmed according to product form |
At Ferro Fittings and Alloys, we ensure that all raw materials for our Duplex 2304 flanges are sourced from certified suppliers and undergo stringent inspection. We conduct Positive Material Identification (PMI) to verify material composition, ensuring compliance with ASTM A240 standards. Our inspection process guarantees that only high-quality duplex stainless steel, with a chemical composition of approximately 22% chromium, 4.5% nickel, and 3% molybdenum, is utilized in manufacturing.
The forming and fabrication of Duplex 2304 flanges are conducted using advanced techniques such as hot forging, cold working, and machining. Our flanges are available in various sizes, including 1/2" to 24", and pressure ratings such as ANSI 150, 300, 600, and 900. We adhere to ASME B16.5 and B16.47 standards for dimensions and tolerances, ensuring precise fitting and performance in various applications.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Solution Annealing | 1020-1100 | Air | To dissolve precipitates and enhance corrosion resistance |
| Stabilization | 800-900 | Air | To relieve stresses and improve toughness |
All Duplex 2304 flanges undergo rigorous quality inspection and testing processes, including hardness testing, hydrostatic testing, and non-destructive testing methods such as Ultrasonic Testing (UT) and Liquid Penetrant Testing (LPT). We provide Material Test Certificates (MTC) in compliance with EN 10204 3.1 and 3.2 standards, ensuring our products meet international quality benchmarks. With stock available and a lead time of 2-4 weeks, we are equipped to accommodate urgent orders. Contact us for a quick quote or request a free sample MTC today!
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| Duplex 2304 | 1/2" (15 mm) | $4.50 | ₹370 |
| Duplex 2304 | 1" (25 mm) | $4.50 | ₹370 |
| Duplex 2304 | 2" (50 mm) | $4.50 | ₹370 |
| Duplex 2304 | 3" (75 mm) | $4.50 | ₹370 |
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 Exporter in india from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports Duplex 2304 Flanges Exporter in india 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.
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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
📧 Sales: export@ferrofittings.com
📧 Export: export@ferrofittings.com
📧 Gmail: inquiry@ferrofittings.com
