Based in Bangkok, Thailand, Thaida Pipes and Tubes is a top producer and supplier of stainless steel 321 seamless tubes. Thaida, which is renowned for its exceptional quality and precise engineering, provides a large selection of stainless steel tubing solutions that are made to satisfy international standards for a range of industrial applications. The company guarantees high-performance, corrosion-resistant, and long-lasting seamless tubes thanks to its state-of-the-art manufacturing facilities, knowledgeable staff, and dedication to excellence. Thaida Pipes and Tubes is a reputable partner for dependable stainless steel tubing solutions in Thailand and abroad, catering to industries like construction, petrochemical, oil and gas, and power generation.
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Austenitic stainless steels stabilized with titanium, such as Stainless Steel 321 Seamless Tubes, are renowned for their exceptional resistance to oxidation and intergranular corrosion. C ≤ 0.08%, Cr 17–19%, Ni 9–12%, Ti ≥ 5×C%, Mn ≤ 2%, Si ≤ 1%, and Fe balance are the typical chemical composition. These tubes have exceptional mechanical qualities, such as an elongation of 40%, a yield strength of 205 MPa, and a tensile strength of about 515 MPa. They are perfect for high-temperature and high-pressure applications because of their exceptional strength, stability, and heat resistance.
Stainless Steel 321 Seamless Tubes Specifications
Tube Range : 6.35 mm OD To 101.6 mm OD Guage: 25 SWG – 10 SWG
Outer Diameter : 3.00 mm – 219.10 mm
Wall Thickness : 0.40 mm – 12.70 mm
Schedules : 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH
Length : Upto 30 meters, Custom Cut Lengths
Specifications : ASTM A213 / ASTM SA213
Types : Round, Square, Rectangle, Coil, “U” Shape, Hydraulic & Honed Tubes
Stainless Steel 321 Seamless Tubes Equivalent
| STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
|---|
| SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
Stainless Steel 321 Seamless Tubes Chemical Composition
| SS | 321 | 321H |
| Ni | 09 – 12 | 09 – 12 |
| N | 0.10 | 0.10 |
| Cr | 17 – 19 | 17 – 19 |
| C | 0.08 max | 0.04 – 0.08 |
| Si | 1 max | 0.75 max |
| Mn | 2 max | 2 max |
| P | 0.040 max | 0.045 max |
| S | 0.030 max | 0.03 max |
| TI | 4(C+N) | 0.70 max |
Stainless Steel 321 Seamless Tubes Mechanical Properties
| Grade | Density (kg/m3) | Thermal Conductivity (W/m.K) | Mean Co-eff of Thermal Expansion (µm/m/°C) | Elastic Modulus (GPa) | Elec Resistivity (nΩ.m) | Specific Heat 0-100°C (J/kg.K) |
|---|
| At 100°C | At 500°C | 0-100°C | 0-315°C | 0-538°C |
|---|
| 321 | 8027 | 16.1 | 22.2 | 16.6 | 17.2 | 18.6 | 193 | 720 | 500 |
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Stainless Steel 321 Seamless Tubes Physical Properties
| Grade | Density (kg/m3) | Thermal Conductivity (W/m.K) | Mean Co-eff of Thermal Expansion (µm/m/°C) | Elastic Modulus (GPa) | Elec Resistivity (nΩ.m) | Specific Heat 0-100°C (J/kg.K) |
|---|
| At 100°C | At 500°C | 0-100°C | 0-315°C | 0-538°C |
|---|
| 321 | 8027 | 16.1 | 22.2 | 16.6 | 17.2 | 18.6 | 193 | 720 | 500 |
Why Choose Stainless Steel 321 Seamless Tubes from Thaida?
Choosing Stainless Steel 321 Seamless Tubes from Thaida in Thailand ensures superior quality, durability, and performance. These pipes provide outstanding corrosion resistance and strength, making them ideal for demanding industrial applications. With a strong commitment to exceptional service and timely delivery, Thaida guarantees complete customer satisfaction. Backed by expertise in stainless steel products, we deliver high-grade, customized solutions designed to meet your specific requirements with precision and reliability.
Largest Stainless Steel 321 Seamless Tubes Supplier in Thailand
A leading supplier of Stainless Steel 321 Seamless Tubes, Thaida offers a wide range of high-quality pipes and tubes suitable for various industrial applications. With an extensive inventory and a strong commitment to dependable service, it has earned a reputation as a trusted provider of stainless steel solutions throughout Thailand.
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Types of Stainless Steel 321 Seamless Tubes
Are Custom Sizes Available for Stainless Steel 321 Seamless Tubes?
Yes, Thaida in Thailand provides custom sizes for Stainless Steel 321 Seamless Tubes to perfectly match your specific requirements. Our dedicated team is committed to delivering tailored piping and tubing solutions that meet your industrial needs. For more information, reach out to us at [email protected].
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Stainless Steel 321 Seamless Tubes Uses
Industries needing corrosion resistance and strength at high temperatures frequently use stainless steel 321 seamless tubes. They are perfect for applications requiring constant heat exposure because of their titanium stabilization. Heat exchangers, exhaust manifolds, furnace parts, chemical processing apparatus, refinery pipes, and jet engine parts are among the frequently used applications. They are also used in the food processing, pharmaceutical, and power generation sectors, where durability and cleanliness are crucial. Under harsh operating conditions, these tubes provide a long service life and dependability in both industrial and structural applications. They particularly excel in environments with oxidizing and carburizing conditions.
