Based in Chennai, India, Vinit Stainless is a leading producer and supplier of premium stainless steel goods. Vinit Stainless is dedicated to providing strong, precisely engineered stainless steel solutions that are suited to the various demands of industries across the globe. Because of its exceptional strength, resistance to high temperatures, and superior corrosion protection, Stainless Steel 321 Tubing stands out among their wide range of products. Vinit Stainless, which is trusted by customers in the petrochemical, chemical, and aerospace industries, guarantees excellent quality and dependability. The company has established a solid reputation in the global stainless steel market thanks to its customer-centric strategy.
The main constituents of Stainless Steel 321 Tubing, an austenitic stainless steel alloy, are iron, 17–19% chromium, 9–12% nickel, and titanium (≥5xC%), which stabilizes the alloy against carbide precipitation. At high temperatures, this composition guarantees exceptional resistance to oxidation and intergranular corrosion. It has remarkable mechanical qualities, such as a minimum tensile strength of 515 MPa, a yield strength of 205 MPa, and an elongation of 40%. Because of its excellent formability and weldability, the tubing is perfect for high-temperature, high-stress applications where long service life and structural integrity are 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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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.
Applications needing a high level of heat and corrosion resistance frequently use stainless steel 321 tubing. It is perfect for the oil and gas, refineries, chemical processing, aerospace, and power generation industries. It is utilized in boilers, furnace components, exhaust manifolds, and heat exchangers because of its stability at high temperatures. The alloy is appropriate for use in waste treatment systems, pharmaceutical industries, and food processing equipment due to its resistance to oxidation and acids. It is a versatile and necessary material for both heavy-duty and hygienic applications because of its strength under stress and high temperatures, as well as its weldability.
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