Stainless Steel 347 Flanges Exporter in India are high-quality components designed for various industrial applications. Made from stainless steel grade 347, these flanges are critical for ensuring leak-proof connections in piping systems. Manufactured and exported by Ferro Fittings and Alloys in Mumbai, they are ideal for clients seeking reliable and durable products for their projects.
These flanges conform to rigorous standards such as ASTM A240, ASME B16.5, and DIN 2573, ensuring their reliability and performance. Available in sizes ranging from DN 15 to DN 600 (NPS ½ to NPS 24), they can handle pressure ratings from Class 150 to 2500 or PN10 to PN400. With temperature resistance extending from -196°C to 800°C, these flanges are compatible with various end connections, including weld neck, slip-on, and blind configurations, making them versatile for numerous applications.
Stainless Steel 347 Flanges find extensive use across multiple industries, including Oil & Gas, Petrochemical, Chemical, Power, Pharmaceutical, and Shipbuilding. They are also crucial in Water Treatment projects. As a trusted supplier to markets in the UAE, Saudi Arabia, Qatar, the UK, and the USA, Ferro Fittings and Alloys supports various project types such as EPC contracts, LSTK projects, and maintenance operations, ensuring optimal performance and reliability.
With a commitment to quality, Ferro Fittings and Alloys is proud to hold the ISO 9001:2015 certification and provide EN 10204 3.1 / 3.2 Mill Test Certificates. Our in-house testing capabilities include PMI, Hydrostatic, Hardness, Impact (Charpy), UT, and LPT, ensuring every product meets industry standards. We also comply with NACE MR 0175 / ISO 15156 for applications in sour service. For more information, request a free MTC sample or get a quick quote via WhatsApp.
Choosing Ferro Fittings and Alloys means benefiting from our competitive lead times of just 2–4 weeks, no minimum order quantity, and readily available stock. We offer FOB Mumbai, CIF, and CFR shipping options, complete with full export documentation for your peace of mind. Contact us today at +91-86550-39959, reach out via WhatsApp at wa.me/+918655039959, or email us at export@ferrofittings.com to get started on your order!
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 Stainless Steel 347 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 |
Contact us for a quick quote on Stainless Steel 347 flanges or request a free sample Material Test Certificate (MTC).
| Product | Composition | Standard | Application |
|---|---|---|---|
| Stainless Steel 347 Flanges | Fe, C (max 0.08%), Cr (17.0-19.0%), Ni (9.0-12.0%), Ti (5xC min) | ASTM A182, ASME SA182 | Used in high-temperature applications, chemical processing, and oil & gas industries |
| Stainless Steel 347 Flanges | Fe, C (max 0.08%), Cr (17.0-19.0%), Ni (9.0-12.0%), Ti (5xC min) | DIN 1.4550 | Ideal for applications requiring excellent corrosion resistance and high strength |
| Stainless Steel 347 Flanges | Fe, C (max 0.08%), Cr (17.0-19.0%), Ni (9.0-12.0%), Ti (5xC min) | BS 310S | Commonly used in power generation, petrochemical, and food processing industries |
Ferro Fittings and Alloys is a leading exporter of Stainless Steel 347 Flanges in India, offering high-quality products with certifications such as ISO 9001:2015 and PED 97/23/EC. Our flanges meet strict standards including ASTM, ASME, EN, and DIN, ensuring their reliability in various applications. With dimensions ranging from 1/2" to 48" and pressure ratings up to 1500 lbs, we accommodate urgent orders with a quick lead time of 2-4 weeks. Our in-house testing capabilities, including PMI and Hydrostatic tests, guarantee the highest quality. Stock is available for immediate dispatch. Contact us for a quick quote or request a free sample MTC today!
SS 347 flange is a niobium (columbium)-stabilized austenitic stainless-steel flange. For forged flanges, the usual material specification is ASTM A182 Grade F347 / UNS S34700. It is particularly suitable for high-temperature service, welded piping and applications where resistance to intergranular corrosion after heating is important.
| Material | Stainless Steel 347 |
|---|---|
| Grades | 347, 347H |
| Standard | ASME B16.5, ASME B16.47, EN 1092-1, JIS B2220 and other applicable standards |
| Size Range | 1/2" to 24" |
| Pressure Rating | 150, 300, 600, 900, 1500, 2500 Class |
| Surface Finish | Mill Finish, Polished |
| End Connection | Weld Neck, Slip-On, Blind, Socket Weld |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| S34700 | Stainless Steel 347 | Excellent resistance to intergranular corrosion | Used in high-temperature applications like furnace components |
| S34703 | Stainless Steel 347H | Higher carbon content for improved strength at elevated temperatures | Suitable for pressure vessels and heat exchangers |
| S34709 | Stainless Steel 347L | Low carbon variant for reduced susceptibility to sensitization | Ideal for welded structures in corrosive environments |
| S34780 | Stainless Steel 347Ti | Stabilized with titanium for enhanced resistance to pitting | Commonly used in chemical processing and petrochemical industries |
| S34700 | Stainless Steel 347 | Good formability and weldability | Used in food processing and pharmaceutical industries |
| Size / DN | Pressure Class | Wall Thickness | Length |
|---|---|---|---|
| 1/2" (15 mm) | 150 | 0.120" (3.05 mm) | 5.00" (127 mm) |
| 3/4" (20 mm) | 150 | 0.120" (3.05 mm) | 5.00" (127 mm) |
| 1" (25 mm) | 150 | 0.120" (3.05 mm) | 5.00" (127 mm) |
| 1-1/2" (40 mm) | 150 | 0.120" (3.05 mm) | 5.00" (127 mm) |
| 2" (50 mm) | 150 | 0.120" (3.05 mm) | 5.00" (127 mm) |
| 3" (80 mm) | 150 | 0.120" (3.05 mm) | 5.00" (127 mm) |
| Element | ASTM A182 F347 |
|---|---|
| Carbon (C) | 0.08% max |
| Manganese (Mn) | 2.00% max |
| Silicon (Si) | 1.00% max |
| Phosphorus (P) | 0.045% max |
| Sulfur (S) | 0.030% max |
| Chromium (Cr) | 17.00–20.00% |
| Nickel (Ni) | 9.00–13.00% |
| Niobium + Tantalum (Nb + Ta) | 10 × C min, 1.10% max |
| Molybdenum | Not specified as an alloying requirement |
| Iron (Fe) | Balance |
| Mechanical property | Minimum / Maximum |
|---|---|
| Tensile strength | 515 MPa min. |
| Yield strength, 0.2% | 205 MPa min. |
| Elongation | 35% min. |
| Hardness | 92 HRB max. |
| Approx. Brinell hardness | 201 HBW max. |
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Density | 7.93 g/cm³ | 0.286 lb/in³ |
| Melting Point | 1450 - 1510 °C | 2642 - 2750 °F |
| Specific Heat | 500 J/(kg·K) | 0.119 BTU/(lb·°F) |
| Thermal Conductivity | 16.2 W/(m·K) | 112 BTU·in/(hr·ft²·°F) |
| Electrical Resistivity | 0.72 µΩ·m | 0.00072 Ω·cm |
| Standard | SS 347 equivalent |
|---|---|
| ASTM | A182 F347 |
| ASME | SA182 F347 |
| UNS | S34700 |
| AISI | 347 |
| EN / DIN | 1.4550 |
| EN designation | X6CrNiNb18-10 |
| JIS | SUS347 |
| BS | 347S31 |
| GOST | 08Ch18N12B |
The most useful equivalent designations for international purchasing are UNS S34700, EN 1.4550/X6CrNiNb18-10 and JIS SUS347.
SS347 is particularly useful for high-temperature and welded piping systems.
The principal reason for selecting F347 is its stabilized structure and resistance to intergranular corrosion after high-temperature exposure, combined with good oxidation and creep properties.
At Ferro Fittings and Alloys, we ensure that all raw materials for our Stainless Steel 347 flanges are sourced from certified suppliers. Each batch undergoes rigorous testing to verify compliance with ASTM A182 and ASME SA182 standards. We perform Positive Material Identification (PMI) to confirm the chemical composition, ensuring that only the highest quality materials are used in our manufacturing process. This commitment to quality guarantees that our products meet the stringent demands of international markets, including the UAE, USA, and Germany. Contact us for a quick quote.
The forming and fabrication of Stainless Steel 347 flanges involve advanced techniques such as forging and machining, adhering to international standards like ASTM and ASME. Our skilled technicians utilize CNC machines to achieve precise dimensions and tolerances, ensuring a perfect fit for your piping systems. Standard flange dimensions range from 1/2" to 24" in diameter, with pressure ratings available in 150, 300, and 600 lbs. Request a free sample MTC.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Solution Annealing | 1050-1100 | Air | To dissolve carbides and enhance corrosion resistance |
| Stress Relieving | 300-600 | Air | To relieve internal stresses from machining |
Quality is paramount at Ferro Fittings and Alloys. Each Stainless Steel 347 flange undergoes comprehensive testing, including Hydrostatic, Impact (Charpy), and Radiography tests, in accordance with EN 10204 3.1 / 3.2 certification standards. We also perform Hardness testing to confirm material integrity. Our commitment to quality is backed by ISO 9001:2015 certification and the ability to provide MTCs for all products. With stock readily available and a lead time of 2-4 weeks, we are equipped to meet your urgent requirements efficiently. Contact us for a quick quote.
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| SS 347 | 1/2" (15 mm) | $4.50 | ₹370 |
| SS 347 | 1" (25 mm) | $4.80 | ₹395 |
| SS 347 | 2" (50 mm) | $5.20 | ₹430 |
| SS 347 | 4" (100 mm) | $6.00 | ₹495 |
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 Stainless Steel 347 Flanges Exporter in india from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports Stainless Steel 347 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
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