Stainless Steel 321 Flanges offered by Metafit Piping Industries are built for high-performance, high-temperature environments. As austenitic stainless steel flanges stabilized with titanium, these products are known for their exceptional resistance to intergranular corrosion. Whether you're operating in petrochemical refineries, thermal power plants, or aerospace systems, Metafit delivers precisely engineered flanges that meet stringent international benchmarks. Recognized globally as one of the leading Stainless Steel 321 Flanges Manufacturers in India, we provide robust solutions tailored to evolving industrial requirements.
Stainless Steel 321 Flanges Manufacturers, Stainless Steel 321 Flanges Suppliers, Stainless Steel 321 Flanges Stockists, Stainless Steel 321 Flanges Exporters.
What is Stainless Steel 321 Flanges?
So, what exactly are Stainless Steel 321 Flanges? These are forged or cast steel components used to connect pipes, valves, pumps, and other equipment to form a piping system. Made from grade 321 stainless steel, a titanium-stabilized variant of 304, they offer superior strength at elevated temperatures and improved weldability. Metafit Piping Industries stands out as one of the trusted Stainless Steel 321 Flanges Suppliers for industries that demand corrosion resistance and structural integrity under pressure. This grade is ideal for continuous service at temperatures between 427–816°C (800–1500°F).
Advantages of Stainless Steel 321 Flanges?
The advantages of Stainless Steel 321 Flanges are clear and significant. They offer long-term durability, resistance to oxidation and scaling, and superior creep strength. Unlike unstabilized grades, 321 resists carbide precipitation during welding, making it ideal for heat-exposed applications. This makes Metafit Piping Industries a preferred name among Stainless Steel 321 Flanges Stockists who value long-life performance in critical systems. The titanium addition enhances structural stability, even after extended exposure to high heat.
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Industry That Use Stainless Steel 321 Flanges?
Applications of Stainless Steel 321 Flanges span across key sectors:
- Stainless Steel 321 Flanges in Oil & Gas Industry are used for high-temperature piping, pressure vessels, and offshore rigs.
- Stainless Steel 321 Flanges in Petrochemical Industry ensure safe and leak-proof connections in highly corrosive processing units.
- Stainless Steel 321 Flanges in Power Generation Sector are crucial for boilers, heat exchangers, and superheaters.
- Stainless Steel 321 Flanges in Aerospace Industry perform reliably under high thermal and mechanical stress in jet engines and exhaust systems.
- Stainless Steel 321 Flanges in Food Processing Industry offer hygiene, resistance to acid-based ingredients, and long service life.
- Stainless Steel 321 Flanges in Marine Applications resist seawater corrosion, supporting long-haul systems and submerged piping structures.
- Stainless Steel 321 Flanges in Chemical Processing Plants withstand aggressive chemical media and constant thermal cycling.
At Metafit, we produce a comprehensive range of Stainless Steel 321 Flanges including weld neck flanges, slip-on flanges, blind flanges, socket weld flanges, threaded flanges, lap joint flanges, and long weld neck flanges. Each type serves a specific function, whether to seal pipe ends or connect different piping sections. As reliable Stainless Steel 321 Flanges Exporters, we cater to tailored specifications for global markets in countries like the USA, Saudi Arabia, Germany, the UK, and South Korea, where precision and reliability are non-negotiable.
Stainless Steel 321 Flanges Manufacturers in US, Stainless Steel 321 Flanges Suppliers in US, Stainless Steel 321 Flanges Stockists in US, Stainless Steel 321 Flanges Exporters in US.
These flanges are manufactured according to international standards including ANSI B16.5, ASME B16.47, EN 1092-1, DIN, and JIS. The most common grades include ASTM A182 F321 and UNS S32100. Metafit ensures compliance with NACE MR0175, PED, and ISO 9001 to guarantee quality in every unit. As prominent Stainless Steel 321 Flanges Manufacturers, we focus on traceability, pressure testing, and dimensional accuracy for global markets.
Depending on the region, Stainless Steel 321 Flanges may be known by alternate designations. In Germany, they’re referred to as WNR 1.4541 Flanges. In the USA, ASTM A182 F321 remains the common specification. The UK often uses BS 970 321S31, while Japan refers to SUS 321 under the JIS standard. Metafit Piping Industries ensures compatibility across naming systems, simplifying procurement for global buyers. Whether you’re sourcing in Singapore, Kuwait, or Brazil, our flanges meet the local and international nomenclature.
Stainless Steel 321 Flanges Specifications?
| Specifications | ASTM A182 F321 Stainless Steel Flanges |
|---|---|
| ASME B16.5 Stainless Steel Flanges size range | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
| Stainless Steel Exhaust Flanges Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flanges. |
| SS Header Flanges Standard ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Stainless Steel Flanges Standard DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| Class 600 Stainless Steel Flanges Standard JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| Stainless Steel Flanges Standard UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Large Diameter Stainless Steel Flanges Standard EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Table E Stainless Steel Flanges Main Types | Forged / Threaded / Screwed / Plate |
| Stainless Steel Handrail Flanges supporting material | Gasket, Ring Joint, Flanges Bolts |
| High Pressure Stainless Steel Flanges Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Most common types of Stainless Steel Flanges |
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| Stainless Steel Metric Flanges Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| ASTM A182 Metric Flanges Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Stainless Steel Manifold Flanges Origin | Indian / West Europe / Japan / USA / Korean |
| Ansi 150 Stainless Steel Flanges Specialized manufacturer of |
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| ASTM A182 F321 Stainless Steel Flanges Standard |
ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
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| Lap Joint Flanges Production technique |
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| Connect Type/ Flanges Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, , Groove |
| SS Long Weld Neck Flanges Special design |
As per your drawing AS, ANSI, BS, DIN and JIS Stainless Steel Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange |
| Export to | Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
| Stainless Steel Pump Flanges Application |
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| Key markets and industries for Stainless Steel Flanges |
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| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Stainless Steel 321 Flanges Equivalent Grades?
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 321 | 1.4541 | S32100 | SUS 321 | - | 08Ch18N10T | - | X6CrNiTi18-10 |
Stainless Steel 321 Flanges Chemical Composition?
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Ti |
|---|---|---|---|---|---|---|---|---|---|---|
| SS 321 | 0.08 max | 2 max | 0.75 max | 0.045 max | 0.030 max | 17 – 19 | - | 9 – 12 | 0.10 max | 5xC min 0.60% max |
Stainless Steel 321 Flanges Mechanical Properties?
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|
| 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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