Stainless Steel 347 Flanges Exporter Ferro Fittings and Alloys specializes in high-quality flanges made from Stainless Steel 347, austenitic stainless steel known for its excellent resistance to intergranular corrosion. As a leading manufacturer and exporter located in Mumbai, we provide a comprehensive range of flanges tailored for diverse industrial applications. Our commitment to quality and customer satisfaction makes us a trusted partner for businesses across the globe.
Our Stainless Steel 347 flanges adhere to rigorous standards, including ASTM A182, ASME B16.5, and DIN 2576, ensuring reliability and performance. We offer a variety of sizes ranging from DN 15 to DN 600 (NPS ½ to NPS 24), with pressure ratings from Class 150 to Class 2500 (PN10 to PN400). These flanges can withstand temperatures up to 1000°C and are compatible with various end connections, including weld neck, slip-on, and blind configurations, making them versatile for numerous applications.
Our Stainless Steel 347 flanges find extensive use across several industries, including Oil & Gas, Petrochemical, Chemical, Power Generation, and Water Treatment. They are essential components in projects such as EPC (Engineering, Procurement, and Construction), LSTK (Lump Sum Turn Key), and maintenance works in regions like the UAE, Saudi Arabia, Qatar, the UK, and the USA. Our products are engineered to meet the demanding needs of these sectors, ensuring operational efficiency and safety.
At Ferro Fittings and Alloys, we take quality seriously, holding an ISO 9001:2015 certification that reflects our commitment to excellence. Our products come with EN 10204 3.1 / 3.2 Mill Test Certificates, and we conduct extensive in-house testing, including PMI, Hydrostatic, Hardness, Impact (Charpy), and UT tests. Additionally, our flanges comply with NACE MR 0175 / ISO 15156 standards, making them suitable for sour service applications. Request a free MTC sample or get a quick quote via WhatsApp for more information.
Choosing Ferro Fittings means you benefit from a competitive lead time of just 2–4 weeks, with no minimum order quantity restrictions and ample stock availability. We provide FOB Mumbai, CIF, and CFR shipping options along with full export documentation to ensure a seamless purchasing experience. For inquiries, contact us at +91-86550-39959, reach out via WhatsApp at wa.me/+918655039959, or email us at export@ferrofittings.com. Let's work together to meet your industrial needs!
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 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 |
|---|---|---|---|
| Stainless Steel 347 Flanges | C: Max 0.08%, Cr: 18.0-20.0%, Ni: 9.0-12.0%, Nb: 10xC Min, Mn: Max 2.0%, Si: Max 1.0% | ASTM A182, ASME SA182 | Used in high-temperature applications, chemical processing, and oil & gas industries. |
| Stainless Steel 347 Flanges | C: Max 0.08%, Cr: 18.0-20.0%, Ni: 9.0-12.0%, Nb: 10xC Min, Mn: Max 2.0%, Si: Max 1.0% | DIN 1.4550 | Ideal for applications requiring superior corrosion resistance and oxidation resistance. |
| Stainless Steel 347 Flanges | C: Max 0.08%, Cr: 18.0-20.0%, Ni: 9.0-12.0%, Nb: 10xC Min, Mn: Max 2.0%, Si: Max 1.0% | EN 10088-2 | Commonly used in the manufacture of flanges for piping systems in various industries. |
As a leading Stainless Steel 347 Flanges Exporter, Ferro Fittings and Alloys provides high-quality flanges that meet rigorous international standards including ASTM, ASME, DIN, and EN. Our flanges are designed for durability and reliability in high-temperature and corrosive environments. With in-house testing capabilities such as PMI, hardness testing, and hydrostatic testing, we assure our clients of the highest quality products. We cater to a wide range of industries and export to over 50 countries including the UAE, USA, and Germany. Stock is available for quick delivery, and we offer flexible payment options including T/T and LC at sight. Contact us for a quick quote or request a free sample MTC to experience our commitment to quality.
| Material | Stainless Steel 347 |
|---|---|
| Grades | 347, 347H |
| Standard | ASTM A182, ASME B16.5 |
| Size Range | 1/2" to 24" |
| Pressure Rating | 150#, 300#, 600# |
| Surface Finish | Smooth, Polished |
| End Connection | Weld Neck, Slip-On, Blind, Threaded |
| Form | Round, Square |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| S34700 | Stainless Steel 347 | Excellent resistance to intergranular corrosion | Aerospace components, chemical processing equipment |
| S34703 | Stainless Steel 347H | Higher carbon content for improved high-temperature strength | High-temperature applications, furnace parts |
| S34709 | Stainless Steel 347L | Lower carbon content for enhanced weldability | Welded structures, pressure vessels |
| S34716 | Stainless Steel 347B | Good oxidation resistance and high strength | Oil and gas industry, power generation |
| S34780 | Stainless Steel 347F | Improved formability and corrosion resistance | Pharmaceutical equipment, food processing |
| 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 | 0.120" (3.05 mm) | 5.0" (127 mm) |
| 2" (50 mm) | 150 | 0.120" (3.05 mm) | 5.0" (127 mm) |
| 3" (80 mm) | 150 | 0.120" (3.05 mm) | 5.0" (127 mm) |
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | 0.08 | 0.10 |
| Chromium (Cr) | 17.0 | 19.0 |
| Nickel (Ni) | 9.0 | 13.0 |
| Tantalum (Ta) | 0.15 | 0.50 |
| Manganese (Mn) | 2.00 | 2.00 |
| Silicon (Si) | 1.00 | 1.00 |
| Phosphorus (P) | 0.040 | 0.040 |
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Yield Strength (0.2% Offset) | 205 | MPa | ASTM A240 |
| Tensile Strength | 515 | MPa | ASTM A240 |
| Elongation in 2 inches | 30 | % | ASTM A240 |
| Hardness (HB) | 187 | HB | ASTM A240 |
| Impact Toughness (Charpy) | 50 | J | ASTM A240 |
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Density | 7.93 g/cm³ | 0.286 lb/in³ |
| Melting Point | 1450 °C | 2642 °F |
| Specific Heat | 500 J/(kg·K) | 0.12 BTU/(lb·°F) |
| Thermal Conductivity | 16.2 W/(m·K) | 112 BTU·in/(hr·ft²·°F) |
| Electrical Resistivity | 0.72 μΩ·m | 0.72 μΩ·in |
| Standard | Grade | UNS | Werkstoff Nr. | BS |
|---|---|---|---|---|
| AISI | 347 | S34700 | 1.4550 | BS 1449 321S12 |
| ASTM | 347 | S34700 | 1.4550 | BS 1501 321S12 |
| EN | X6CrNiNb18-10 | S34700 | 1.4550 | BS EN 10088-2 |
At Ferro Fittings and Alloys, we source our raw materials from certified suppliers, ensuring compliance with ASTM A240 and ASME SA240 standards. Each batch undergoes a thorough inspection for chemical composition and mechanical properties, verified through Positive Material Identification (PMI) tests, ensuring only high-quality stainless steel 347 is utilized in our flanges.
The forming and fabrication of our stainless steel 347 flanges are performed using advanced CNC machining and hydraulic pressing techniques. Our flanges are available in various sizes, ranging from ½ inch to 60 inches, with pressure ratings from ANSI Class 150 to Class 2500. We adhere to tight tolerances in accordance with ASME B16.5 and B16.47 standards, ensuring precision and fit for various applications.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Solution Annealing | 1050-1100 | Air | To enhance corrosion resistance and relieve stress |
| Stabilization | 850-900 | Air | To reduce carbide precipitation and improve weldability |
Our stainless steel 347 flanges undergo rigorous quality inspections and testing, including hardness testing, hydrostatic testing, and radiography. We provide Material Test Certificates (MTC) in accordance with EN 10204 3.1 / 3.2 standards, ensuring transparency and reliability. Our commitment to quality is reflected in our ISO 9001:2015 certification and our ability to serve clients across 50+ countries. Contact us for a quick quote or to request a free sample MTC.
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| SS 347 | 1/2" (15 mm) | $8.50 | ₹700 |
| SS 347 | 1" (25 mm) | $8.75 | ₹720 |
| SS 347 | 2" (50 mm) | $9.00 | ₹740 |
| SS 347 | 3" (75 mm) | $9.50 | ₹780 |
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 from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports Stainless Steel 347 Flanges Exporter 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
