Stainless Steel 321 Flanges Exporter are essential components made from high-quality stainless steel grade 321, designed for various industrial applications. Ferro Fittings and Alloys, based in Mumbai, India, specializes in manufacturing and exporting these flanges, ensuring durability and reliability in challenging environments. These flanges are known for their excellent resistance to corrosion and oxidation, making them ideal for high-temperature applications.
Our Stainless Steel 321 Flanges adhere to strict standards such as ASTM A182, ASME B16.5, and DIN 2576, ensuring compliance with international quality requirements. They are available in sizes ranging from DN 15 to DN 600 (NPS ½ to NPS 24) and pressure ratings from Class 150 to Class 2500 (PN10 to PN400). These flanges can withstand temperatures up to 900°C and come with various end connections, including weld neck, slip-on, and blind types, catering to diverse installation needs.
Stainless Steel 321 Flanges find extensive applications across multiple industry verticals, including Oil & Gas, Petrochemical, Chemical, Power, Pharmaceutical, Shipbuilding, and Water Treatment. They are frequently utilized in projects across destination countries like the UAE, Saudi Arabia, and the UK, supporting engineering, procurement, and construction (EPC) and lump-sum turnkey (LSTK) projects, as well as maintenance operations. Their versatility and reliability make them a preferred choice for critical applications.
Ferro Fittings and Alloys is proud to be ISO 9001:2015 certified, ensuring our commitment to quality and excellence. We provide EN 10204 3.1 / 3.2 Mill Test Certificates with our products, along with comprehensive in-house tests such as PMI, Hydrostatic, Hardness, Impact (Charpy), and UT. Our flanges are compliant with NACE MR 0175 / ISO 15156 standards, making them suitable for sour service environments. Request a free MTC sample or get a quick quote via WhatsApp.
Choosing Ferro Fittings means benefiting from our competitive lead times of just 2–4 weeks, with no minimum order quantity restrictions and readily available stock. We offer shipping from FOB Mumbai with comprehensive export documentation, ensuring a smooth delivery process. For inquiries, please contact us at +91-86550-39959, reach out 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 Stainless Steel 321 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 321 Flanges | C: ≤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 aerospace |
| Stainless Steel 321 Flanges | C: ≤0.08, Cr: 17.0-19.0, Ni: 9.0-12.0, Ti: 5xC min | DIN 1.4541 | Ideal for equipment exposed to corrosive environments |
| Stainless Steel 321 Flanges | C: ≤0.08, Cr: 17.0-19.0, Ni: 9.0-12.0, Ti: 5xC min | EN 10088-2 | Suitable for high-strength applications in oil and gas industries |
Ferro Fittings and Alloys is a leading Stainless Steel 321 Flanges exporter based in Mumbai, India. Our flanges are manufactured to meet stringent standards such as ASTM, ASME, and DIN, ensuring high quality and reliability. With a composition featuring low carbon content and the addition of titanium, our 321 flanges exhibit excellent resistance to intergranular corrosion and high-temperature oxidation. Available in various sizes and pressure ratings, our flanges cater to diverse industrial applications, including oil and gas, chemical processing, and aerospace engineering. We offer quick delivery on stock items and accommodate urgent orders, ensuring you receive your products promptly. Contact us for a quick quote or to request a free sample MTC.
| Material | Stainless Steel 321 |
|---|---|
| Grades | ASTM A182, ASTM A240 |
| Standard | ANSI/ASME B16.5, B16.47 |
| Size Range | 1/2" to 24" |
| Pressure Rating | 150# to 2500# |
| Surface Finish | Pickled and Passivated |
| End Connection | Weld Neck, Slip-On, Blind, Socket Weld |
| Form | Flat, Raised Face, Ring Type Joint |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| S32100 | Stainless Steel 321 | Excellent resistance to intergranular corrosion | Aerospace, chemical processing, and oil & gas applications |
| S32109 | Stainless Steel 321H | Higher carbon content for improved high-temperature strength | High-temperature applications such as furnace components |
| S32101 | Stainless Steel 321L | Low carbon content for enhanced weldability | Welded structures in corrosive environments |
| S32103 | Stainless Steel 321Ti | Stabilized with titanium for better resistance to sensitization | High-temperature applications in the petrochemical industry |
| S32104 | Stainless Steel 321Nb | Stabilized with niobium for improved corrosion resistance | Heat exchangers and pressure vessels |
| 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 | 0.15 |
| Chromium (Cr) | 17.00 | 19.00 |
| Nickel (Ni) | 9.00 | 13.00 |
| Manganese (Mn) | 2.00 | 2.00 |
| Silicon (Si) | 0.75 | 1.00 |
| Phosphorus (P) | 0.040 | 0.040 |
| Sulfur (S) | 0.030 | 0.030 |
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Yield Strength (0.2% Proof Stress) | 205 | MPa | ASTM A240 |
| Ultimate Tensile Strength | 515 | MPa | ASTM A240 |
| Elongation in 50mm | 40 | % | ASTM A240 |
| Hardness (HB) | 187 | HB | ASTM B117 |
| Modulus of Elasticity | 200000 | MPa | ASTM A240 |
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Density | 7.98 g/cm³ | 0.288 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 | 0.73 µΩ·m | 0.00073 Ω·cm |
| Standard | Grade | UNS | Werkstoff Nr. | BS |
|---|---|---|---|---|
| AISI | 321 | S32100 | 1.4541 | BS 1449 321S12 |
| ASTM | A240 | S32100 | 1.4541 | BS 1449 321S12 |
| EN | X6CrNiTi18-10 | S32100 | 1.4541 | BS 1449 321S12 |
At Ferro Fittings and Alloys, we ensure that all raw materials for our Stainless Steel 321 flanges are sourced from certified suppliers and undergo rigorous inspection. We perform Positive Material Identification (PMI) to verify the chemical composition, ensuring compliance with ASTM A182 and other relevant standards. Our strict adherence to ISO 9001:2015 quality management systems guarantees that only materials meeting the highest standards are utilized in production.
The forming and fabrication of Stainless Steel 321 flanges involve advanced techniques such as forging and machining. Our flanges are available in various dimensions, including nominal pipe sizes from 1/2" to 48" and pressure ratings from 150 to 2500 lbs. We utilize CNC machining to achieve precise tolerances, ensuring that all flanges fit seamlessly into your piping systems. Our capabilities allow us to accommodate custom specifications as needed. Contact us for a quick quote on your specific requirements!
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Solution Annealing | 1050-1100 | Air | To dissolve carbides and enhance corrosion resistance |
| Stabilization Annealing | 800-900 | Air | To minimize sensitization and improve weldability |
Our Stainless Steel 321 flanges undergo comprehensive quality inspection and testing, including Hydrostatic Testing, Hardness Testing, and Radiography. We provide Material Test Certificates (MTC) in accordance with EN 10204 3.1 / 3.2, giving our clients confidence in the integrity and quality of our products. With in-house testing capabilities, we ensure that every batch meets international standards and is ready for export to over 50 countries, including the UAE, USA, and Germany. Request a free sample MTC today!
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| SS 321 | 1/2" (15 mm) | $4.50 | ₹370 |
| SS 321 | 1" (25 mm) | $4.80 | ₹395 |
| SS 321 | 2" (50 mm) | $5.20 | ₹430 |
| SS 321 | 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 321 Flanges Exporter from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports Stainless Steel 321 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
