Nestled in the industrial heart of Manama, Niazi Stainless has carved a reputation as a premier supplier dedicated to quality and reliability. Our expertise extends to providing top-tier Stainless Steel 321 Flanges, sourced with meticulous care to meet the precise standards of various industries. We understand that your projects demand excellence, and we take pride in delivering components that promise durability and outstanding performance, forming the bedrock of enduring infrastructure.
The composition of Stainless Steel 321 includes chromium and nickel, but its key feature is the addition of titanium. This element enhances its resistance to a specific type of deterioration, making it particularly robust. Mechanically, these flanges are known for their impressive strength and durability. They maintain their integrity under high temperatures, which is crucial for many demanding applications. This combination of a clever composition and solid mechanical properties makes them a reliable choice.
| 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 Niazi 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. Niazi Stainless stands by the delivery of flanges with the highest level of industry standards in functionality and safety.
SS 321 slip-on flanges are designed for high-temperature and corrosion-resistant applications. Made from stainless steel, they provide reliable connections in piping systems, offering ease of installation and durability.
SS 321 weld neck flanges are engineered for high-stress applications, providing strong, reliable connections in piping systems. Crafted from stainless steel, they offer excellent resistance to high temperatures and corrosion.
SS 321 socket weld flanges are ideal for high-pressure and high-temperature applications. Made from stainless steel, they offer strong, reliable connections with ease of installation and excellent resistance to corrosion.
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.
You’ll find Stainless Steel 321 Flanges hard at work in the chemical processing and petrochemical industries, where high temperatures and corrosive environments are a constant challenge. Their superior performance also makes them ideal for use in aircraft exhaust systems, heat exchangers, and thermal power generation equipment. Essentially, wherever there’s significant heat and potential for corrosion, these flanges provide a dependable, long-lasting solution for connecting pipes and equipment securely.







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