Nakamura Stainless is a well-respected manufacturer and supplier based in Pulau Ujong, Singapore, known for providing top-notch stainless steel products that cater to a variety of industrial needs. One of their standout offerings is the Stainless Steel 321 Tubing, which is highly regarded for its remarkable resistance to intergranular corrosion and its outstanding performance in high-temperature settings. Thanks to its titanium stabilization, this tubing effectively prevents carbide precipitation during welding, ensuring it remains durable and reliable. Built to meet international standards, Stainless Steel 321 Tubing promises long-lasting service and efficiency, even in the most demanding environments.
This tubing is made up of 17–19% chromium, 9–12% nickel, and titanium stabilizers that boost its resistance to sensitization. On the mechanical side, it boasts high tensile and yield strength, excellent toughness, and impressive creep resistance at elevated temperatures. Its stability under thermal stress and ability to resist oxidation up to 870°C make it a trustworthy option for high-temperature applications.
| 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 |
Contact us to get a quick quote for your requirement.
We provides highest quality standards for Stainless Steel 321 Tubing through processes of testing and certification. The products are checked with advanced tests for durability, corrosion resistance, and dimensional accuracy. Our tubing is certified internationally according to standards such as ASTM and ISO for reliability, performance, and the specific requirements of the industry.
Stainless Steel 321 seamless tubing 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.
Stainless Steel 321 welded tubing 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.
Stainless Steel 321 heat exchanger tubes offer superior resistance to high temperatures and corrosion, making them ideal for heat exchange applications in aggressive environments. They ensure durability and efficient thermal performance.
Stainless Steel 321 instrumentation tubing provides 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.
Stainless Steel 321 boiler tubes offer 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.
Stainless Steel 321 U-tubes provide 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.
Stainless Steel 321 Tubing finds its place in various sectors, including chemical processing, petrochemical industries, aerospace, and marine applications. It’s perfect for use in heat exchangers, condensers, exhaust manifolds, furnace parts, and thermal oxidizers, where high-temperature and corrosion resistance are essential. With its durability, ease of welding, and ability to withstand harsh environments, Stainless Steel 321 Tubing is a reliable choice for industries that need long-lasting and efficient tubing.
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