Emilio Stainless, located in Manila, Philippines, is a reputable manufacturer and supplier of high-quality Stainless Steel 321 Tubing. This tubing is specifically designed for high-temperature and industrial applications, boasting impressive corrosion resistance, oxidation resistance, and mechanical strength. The 321 grade, which is stabilized with titanium, offers exceptional protection against intergranular corrosion and maintains its performance even at elevated temperatures. At Emilio Stainless, we utilize advanced manufacturing techniques and rigorous quality control to ensure our tubing has precise dimensions, smooth finishes, and consistent quality. These tubes are perfect for boilers, heat exchangers, furnace lines, and other critical piping systems where durability and reliable performance are a must.
Stainless Steel 321 Tubing is composed of 17–19% chromium, 9–12% nickel, 0.04–0.08% carbon, and titanium for stabilization, along with trace amounts of manganese, silicon, and phosphorus. This austenitic stainless steel showcases a tensile strength ranging from 515–690 MPa and a yield strength of about 205–310 MPa, along with excellent ductility and toughness. The titanium stabilization helps prevent carbide precipitation, enhancing resistance to intergranular corrosion at high temperatures. These tubes are mechanically strong, heat-resistant, and well-suited for high-pressure, high-temperature, chemical, and industrial applications that demand long-lasting durability and dependable performance.
| 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 extensive use in chemical processing, petrochemical industries, power generation, marine applications, and various high-temperature industrial systems. It’s perfect for transporting steam, fluids, and gases in boilers, heat exchangers, furnace lines, and other high-temperature piping systems. The titanium-stabilized 321 grade ensures resistance to intergranular corrosion, delivering reliable, leak-proof, and durable tubing for essential industrial and mechanical applications. Emilio Stainless offers 321 tubing in a range of sizes and specifications to meet diverse customer needs.
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