Kyaw Stainless is a reputable manufacturer and supplier located in Naypyidaw, Myanmar, specializing in high-quality Stainless Steel 321 Tubing. The company is well-regarded for its commitment to quality, innovation, and precision, providing tubing solutions that adhere to international standards and cater to a variety of industrial needs. By employing advanced production methods and top-notch raw materials, Kyaw Stainless creates both seamless and welded tubes that boast remarkable durability and resistance to corrosion. With a strong emphasis on customer satisfaction and reliability, the company plays a vital role in supporting the growth of Myanmar’s industrial and infrastructure sectors.
.Stainless Steel 321 Tubing is an austenitic stainless steel alloy primarily made up of iron, 17–19% chromium, 9–12% nickel, and a touch of titanium to enhance stability against carbide precipitation. This unique composition offers excellent resistance to intergranular corrosion and oxidation, especially at elevated temperatures. The tubing has a tensile strength of around 515 MPa and showcases impressive creep and stress rupture characteristics. Its blend of strength, formability, and thermal stability makes it perfect for environments where consistent performance under heat and pressure is crucial.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Other | |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
321 |
min.
max |
–
0.08 |
2.00 |
0.75 |
0.045 |
0.030 |
17.0
19.0 |
– |
9.0
12.0 |
0.10 |
Ti=5(C+N)
0.70 |
|
Grade |
Tensile Strength (MPa) min |
Yield Strength 0.2% Proof (MPa) min |
Elongation (% in 50mm) min |
Hardness |
|
|---|---|---|---|---|---|
|
Rockwell B (HR B) max |
Brinell (HB) max |
||||
|
321 |
515 |
205 |
40 |
95 |
217 |
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321 Stainless Steel Tubing is commonly used in marine, petrochemical, aerospace, and power generation industries. Its excellent oxidation resistance makes it suitable for exhaust systems, furnace components, heat exchangers, and high-temperature chemical process. The tubing also finds application in pressure vessels, refinery equipment, and tubes in boilers where exposure to hostile chemicals and high temperatures is prevalent. Its fine weldability, strength, and thermal fatigue resistance make it a material of choice for severe industrial conditions demanding long-term dependability.
Resists oxidation and corrosion at high temperatures, offering excellent stability and durability. It’s ideal for aerospace, chemical, and high-temperature applications due to its strength and resistance.
Provides excellent resistance to high temperatures and corrosion, ideal for aerospace and chemical applications. It offers good weldability and stability, ensuring durability in demanding environments.
Superior resistance to high temperatures and corrosion, making them ideal for heat exchange applications in aggressive environments. They ensure durability and efficient thermal performance.
Excellent resistance to high temperatures and corrosion, ensuring reliable performance in precise measurement and control systems. Its stability and strength make it ideal for critical applications.
High resistance to oxidation and corrosion at elevated temperatures, making them ideal for boiler systems. Their durability and strength ensure efficient heat transfer and long service life.
Excellent high-temperature resistance and corrosion protection, making them ideal for heat exchangers and condensers. Their durability and flexibility ensure reliable performance in challenging environments.
Kyaw Stainless’s Stainless Steel 321 Tubing is extensively utilized in industries that require high-temperature strength and corrosion resistance. It finds common applications in heat exchangers, aircraft exhaust systems, refinery piping, furnace components, and chemical processing equipment. The titanium-stabilized structure of the tubing helps prevent scaling and sensitization, ensuring a long service life even under continuous heat exposure. Its outstanding weldability and formability make it suitable for both structural and fluid-handling applications. In Myanmar’s industrial scene, Kyaw Stainless’s 321 tubing stands out as a reliable choice for power plants, petrochemical facilities, and engineering projects that need heat-resistant materials.
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