Kyaw Stainless is a reputable manufacturer and supplier located in Naypyidaw, Myanmar, known for its high-quality Stainless Steel 321 Flanges. The company prides itself on precision engineering, innovation, and a strong focus on customer satisfaction, producing flanges that adhere to global performance and reliability standards. By employing advanced manufacturing techniques and top-notch raw materials, Kyaw Stainless delivers products that stand out for their strength, corrosion resistance, and precise dimensions. With a talented workforce and state-of-the-art facilities, the company plays a crucial role in Myanmar’s expanding industrial landscape, providing reliable stainless steel flange solutions for a variety of engineering needs.
Stainless Steel 321 Flanges are made from iron, 17–19% chromium, 9–12% nickel, and titanium, which acts as a stabilizer to prevent carbide precipitation during welding or exposure to high temperatures. This type of austenitic stainless steel is known for its excellent resistance to intergranular corrosion and oxidation at temperatures up to 870°C. With a tensile strength of about 515 MPa, SS 321 flanges offer remarkable creep and stress rupture strength. Their unique blend of toughness, thermal stability, and weldability makes them perfect for demanding, high-temperature environments where corrosion resistance is a must.
| 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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Stainless Steel 321H Bolts are extensively utilized in heat exchangers, exhaust systems, boilers, and furnace components because of their resistance to high-temperature oxidation. They are critical in aerospace, petrochemical, power generation, and chemical processing applications, where thermal cycling and corrosive exposure is a risk. Their increased creep and stress rupture resistance make them suitable for steam piping, refinery equipment, and high-pressure applications, providing dependable fastening solutions for structural integrity under harsh conditions.
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.
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.
High strength and durability. They are ideal for demanding applications, offering excellent resistance to high temperatures, corrosion, and mechanical stress.
Kyaw Stainless’s Stainless Steel 321 Flanges are widely utilized in industries that need secure, corrosion-resistant connections under heat and pressure. They find extensive application in refinery piping systems, chemical processing equipment, heat exchangers, and power generation plants. These flanges guarantee leak-proof performance in pipelines that face fluctuating temperatures and corrosive substances. Additionally, their durability and strength make them suitable for marine and aerospace applications. With reliable performance, straightforward installation, and a long service life, Kyaw Stainless’s 321 flanges are a top choice for various industrial and engineering projects across Myanmar.
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