Stainless Steel 321 Flanges Exporter in Mumbai is a premier designation for manufacturers and suppliers specializing in high-quality flanges made from grade 321 stainless steel. This specific type of flange is designed to withstand high temperatures and corrosive environments, making it ideal for various industrial applications. Ferro Fittings and Alloys, based in Mumbai, India, is a trusted manufacturer and exporter of these flanges, ensuring top-notch quality and service for clients across the globe.
Our stainless steel 321 flanges adhere to rigorous standards including ASTM A182, ASME B16.5, and EN 1092-1. These flanges are available in a variety of sizes ranging from DN 15 to DN 600 (NPS ½ to NPS 24) and can accommodate pressure ratings from Class 150 to 2500 (PN10–PN400). They are designed for high-temperature applications, with a temperature range of up to 900°C (1650°F). End connections can be customized as per client requirements, including welding neck, blind, slip-on, and threaded types.
Stainless steel 321 flanges find extensive applications across diverse industries such as Oil & Gas, Petrochemical, Chemical, Power Generation, Pharmaceutical, Shipbuilding, and Water Treatment. Our products are utilized in various project types, including Engineering, Procurement, and Construction (EPC), Lump Sum Turnkey (LSTK) contracts, and maintenance projects. We cater to international markets, exporting to countries such as the UAE, Saudi Arabia, Qatar, the UK, and the USA, ensuring that we meet the needs of global industrial sectors.
Ferro Fittings and Alloys is committed to maintaining the highest quality standards, evidenced by our ISO 9001:2015 certification and the availability of EN 10204 3.1 / 3.2 Mill Test Certificates. Our in-house testing capabilities include Positive Material Identification (PMI), Hydrostatic Testing, Hardness Testing, Impact (Charpy) Testing, Ultrasonic Testing (UT), and Liquid Penetrant Testing (LPT). Moreover, 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.
Choosing Ferro Fittings and Alloys means opting for a reliable partner with a competitive lead time of just 2–4 weeks and no minimum order quantity restrictions. We ensure stock availability and offer flexible shipping terms, including FOB Mumbai, CIF, and CFR, along with comprehensive export documentation. For inquiries or to place an order, feel free to 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 Stainless Steel 321 Flanges Exporter in Mumbai 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 | Fe, C(max) 0.08, Cr 17.0-19.0, Ni 9.0-12.0, Ti 5xC to 0.7 | ASTM A182, ASME SA182 | Used in high-temperature applications and corrosive environments |
| Stainless Steel 321 Flanges | Fe, C(max) 0.08, Cr 17.0-19.0, Ni 9.0-12.0, Ti 5xC to 0.7 | DIN 1.4541 | Ideal for use in chemical processing, oil & gas, and aerospace industries |
| Stainless Steel 321 Flanges | Fe, C(max) 0.08, Cr 17.0-19.0, Ni 9.0-12.0, Ti 5xC to 0.7 | BS 316S31 | Suitable for applications requiring resistance to intergranular corrosion |
Ferro Fittings and Alloys is a trusted Stainless Steel 321 Flanges Exporter in Mumbai, equipped to meet your specific needs with a commitment to quality. Our flanges are manufactured in accordance with international standards such as ASTM, ASME, and DIN, ensuring high performance in demanding environments. With a composition that includes chromium and nickel, these flanges provide excellent resistance to oxidation and corrosion, making them ideal for high-temperature applications. We offer quick delivery times of 2–4 weeks and can accommodate urgent orders. Our products come with Material Test Certificates (MTC) and are compliant with ISO 9001:2015. Contact us for a quick quote or request a free sample MTC today!
| Material | Stainless Steel 321 |
|---|---|
| Grades | 321 |
| Standard | ASTM A182, ASME B16.5 |
| Size Range | 1/2" to 24" |
| Pressure Rating | 150# to 2500# |
| Surface Finish | Mirror Finish, Rough Finish |
| End Connection | Weld Neck, Slip-On, Blind, Socket Weld |
| Form | Flanges |
| Grade / UNS | Common Name | Key Feature | Typical Application |
|---|---|---|---|
| S32100 | Stainless Steel 321 | Excellent resistance to intergranular corrosion | Aerospace, chemical processing, and oil & gas industries |
| S32109 | Stainless Steel 321H | Higher carbon content for improved high-temperature strength | High-temperature applications like furnace components |
| S32101 | Stainless Steel 321L | Low carbon variant for enhanced weldability | Welded structures in corrosive environments |
| S32103 | Stainless Steel 321Ti | Stabilized with titanium for better corrosion resistance | Applications requiring high strength and corrosion resistance |
| S32104 | Stainless Steel 321N | Modified for improved mechanical properties | Heavy-duty applications in marine and chemical industries |
| Size / DN | Pressure Class | Wall Thickness | Length |
|---|---|---|---|
| 1/2" (15 mm) | 150 | 2.5 mm | 150 mm |
| 3/4" (20 mm) | 150 | 2.5 mm | 150 mm |
| 1" (25 mm) | 150 | 2.5 mm | 150 mm |
| 1-1/2" (40 mm) | 150 | 3.0 mm | 150 mm |
| 2" (50 mm) | 150 | 3.0 mm | 150 mm |
| 3" (80 mm) | 150 | 3.5 mm | 150 mm |
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | 0.08 | 0.15 |
| Chromium (Cr) | 17.00 | 19.00 |
| Nickel (Ni) | 9.00 | 12.00 |
| Titanium (Ti) | 5xC | 0.70 |
| Manganese (Mn) | 2.00 | 2.00 |
| Silicon (Si) | 0.50 | 0.75 |
| Phosphorus (P) | 0.040 | 0.040 |
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Yield Strength (0.2% Offset) | 205 | MPa | ASTM A240/A480 |
| Tensile Strength | 515 | MPa | ASTM A240/A480 |
| Elongation in 2 inches | 40 | % | ASTM A240/A480 |
| Hardness (Brinell) | 201 | HB | ASTM A480 |
| Impact Toughness (Charpy) | 50 | J | ASTM E23 |
| Property | Value (Metric) | Value (Imperial) |
|---|---|---|
| Density | 7.98 g/cm³ | 0.288 lb/in³ |
| Melting Point | 1450 °C | 2642 °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 | 0.0000013 Ω·in |
| Standard | Grade | UNS | Werkstoff Nr. | BS |
|---|---|---|---|---|
| AISI | 321 | S32100 | 1.4541 | BS 1449 321S12 |
| ASTM | 321 | 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 used for manufacturing Stainless Steel 321 flanges are sourced from reputable suppliers and are compliant with international standards such as ASTM A240 and ASME SA240. Our raw materials undergo rigorous inspection through Positive Material Identification (PMI) to guarantee the correct alloy composition, ensuring quality and reliability for our customers.
The forming and fabrication of Stainless Steel 321 flanges involve processes such as hot forging and cold working. We utilize advanced machinery to achieve precise dimensions and tolerances that comply with ASTM A182 standards. Our flanges are available in various sizes, including 1/2" to 48", and can be manufactured in different pressure classes (150#, 300#, 600#) to meet specific application requirements. Contact us for a quick quote on your flange specifications.
| Process | Temperature (°C) | Medium | Purpose |
|---|---|---|---|
| Solution Annealing | 1050-1150 | Air | Remove stresses and improve corrosion resistance |
| Stabilization Annealing | 850-900 | Air | Enhance mechanical properties and reduce carbide precipitation |
Our quality inspection and testing process for Stainless Steel 321 flanges includes various tests such as Hydrostatic testing, Hardness testing, and Impact testing (Charpy). We adhere to international standards like EN 10204 3.1/3.2 for material certification, ensuring that each flange meets stringent quality requirements. With ISO 9001:2015 certification and in-house testing capabilities, we guarantee the highest quality products. Request a free sample MTC for your assurance.
| Grade | Size / Dimension | Price (USD/Kg) | Price (INR/Kg) |
|---|---|---|---|
| SS 321 | 1/2" (DN15) | $4.50 | ₹370 |
| SS 321 | 1" (DN25) | $4.80 | ₹395 |
| SS 321 | 2" (DN50) | $5.20 | ₹430 |
| SS 321 | 4" (DN100) | $6.50 | ₹535 |
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 in Mumbai from Ferro Fittings and Alloys. Contact us for prompt delivery at competitive prices.
Ferro Fittings and Alloys exports Stainless Steel 321 Flanges Exporter in Mumbai 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
