Aditya Stainless is your go-to manufacturer and supplier of top-notch Stainless Steel 321 Tubing right here in Kolkata, India. We’ve built a solid reputation for providing high-performance tubing solutions that meet the varied needs of industries like aerospace, petrochemical, pharmaceutical, and food processing. Our SS 321 Tubes are celebrated for their outstanding resistance to intergranular corrosion and their strength at high temperatures, making them perfect for critical applications. With cutting-edge manufacturing facilities and rigorous quality control, Aditya Stainless guarantees that every Stainless Steel 321 Tube not only meets international standards but also exceeds client expectations, solidifying our position as a leading supplier in the stainless steel sector.
Stainless Steel 321 Tubing is an austenitic stainless steel that’s stabilized with Titanium. It typically contains around 17-19% Chromium, 9-12% Nickel, up to 0.08% Carbon, and a minimum of 5x(C+N)% Titanium. This stabilization helps prevent carbide precipitation during welding, which in turn ensures excellent resistance to intergranular corrosion. Its mechanical properties boast a minimum tensile strength of 515 MPa, a yield strength of at least 205 MPa, and an elongation of 40% in 50mm. SS 321 Tubes are reliable even at elevated temperatures up to 900°C, making them ideal for heat-intensive applications where standard 304 or 316 grades might not hold up.
| 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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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 is widely utilized in environments that are both high-temperature and corrosive. Its applications include exhaust systems, heat exchangers, aerospace components, furnace parts, chemical processing equipment, and refinery piping systems. In Kolkata, various industries trust SS 321 Tubes for their excellent weldability, creep strength, and resistance to oxidation and scaling. They are especially prized in thermal processing plants, power generation, and marine applications where prolonged exposure to heat and stress is common. Aditya Stainless offers SS 321 Tubes customized to meet the demanding requirements of these industries.
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