MERIH STAINLESS, based in Istanbul, Turkey, is a reputable manufacturer and supplier of high-quality Stainless Steel 321 Flanges, specifically crafted for high-temperature and corrosive industrial settings. These flanges are celebrated for their strength, durability, and resistance to intergranular corrosion, ensuring secure and leak-proof connections even in the toughest environments. With a commitment to precision and adherence to international standards, MERIH STAINLESS guarantees that their Stainless Steel 321 Flanges provide long-lasting performance and reliability. They find extensive use in industries such as chemical processing, petrochemical, power generation, and aerospace, where robust and corrosion-resistant flange connections are crucial.
Stainless Steel 321 Flanges are a type of stabilized austenitic stainless steel, containing 17–19% chromium, 9–12% nickel, and titanium to enhance stability. The addition of titanium helps prevent carbide precipitation, which boosts resistance to intergranular corrosion when exposed to high temperatures. Typically, these flanges boast a tensile strength of about 515 MPa, a yield strength of 205 MPa, and impressive toughness under elevated temperature conditions. They also offer good oxidation resistance up to 870°C, along with excellent weldability and durability, making them ideal for critical industrial connections in heat- and corrosion-intensive environments.
| Standard | ASTM A182 / ASME SA182 |
| Dimensions | ANSI/ASME B16.5, B 16.47 A & B, B16.48, BS4504, BS 10, EN-1092, DIN |
| Standard | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges |
| Size | 1/2″ (15 NB) to 48″ (1200NB) |
| Class/Pressure | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1457 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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We offers the best quality Stainless Steel 321 Flanges Merih Stainless,which has undergone intense testing to produce top quality and performance. The flange is thoroughly tested for meeting international standards and specifications. Products supplied by us are certified by recognized authorities for traceability and reliability in each batch. With modern technology and strict quality control, we ensure durability, corrosion resistance, and good mechanical properties. Merih Stainless stands by the delivery of flanges with the highest level of industry standards in functionality and safety.
SS 321 blind flanges are used to seal the end of a piping system. Crafted from stainless steel, they provide a robust, corrosion-resistant solution for maintaining system integrity and pressure.
SS 321 ring type joint flanges offer a secure, leak-proof seal in high-pressure environments. Made from stainless steel, they feature a ring groove design for reliable, corrosion-resistant performance in demanding applications.
SS 321 forged flanges are crafted from stainless steel for high strength and durability. They are ideal for demanding applications, offering excellent resistance to high temperatures, corrosion, and mechanical stress.
These Stainless Steel 321 Flanges are widely utilized in sectors that demand secure, heat- and corrosion-resistant connections. You’ll often find them in chemical processing plants, petrochemical refineries, and power generation systems, including boilers, superheaters, and heat exchangers. The aerospace and automotive industries also rely on them for exhaust systems, manifolds, and high-temperature components. Additionally, they are used in furnace equipment, high-pressure piping systems, and thermal processing units. These flanges ensure leak-proof connections, a long service life, and dependable performance, even in the harshest conditions.
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