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Based in Cairo, Egypt, Gabriel Tube Fittings specializes in crafting and supplying top-notch **Stainless Steel 321 Instrumentation Tube Fittings**. These fittings are specifically designed for critical fluid and gas control applications in tough industrial settings. Engineered for leak-proof, high-integrity connections, they play a vital role in instrumentation systems, ensuring safety and precision in monitoring pressure, flow, and temperature. With a strong emphasis on durability and resistance to corrosion, Gabriel’s 321-grade fittings excel in high-temperature and oxidizing environments, providing unmatched reliability compared to standard stainless steel options. Each fitting is precision-machined and rigorously quality-tested to meet international performance and consistency standards.
**Stainless Steel 321** is a titanium-stabilized austenitic stainless steel that boasts impressive resistance to intergranular corrosion, especially after being exposed to high temperatures. While it shares similar corrosion resistance with 304, it shines in high-temperature applications, performing well up to 870°C. The inclusion of titanium enhances structural stability and prevents carbide precipitation during welding, making it an excellent choice for high-heat instrumentation tasks. Its mechanical properties are noteworthy, featuring good tensile strength (minimum 515 MPa), yield strength (minimum 205 MPa), and exceptional creep resistance, particularly in environments where thermal cycling and oxidation are prevalent.
| Specifications | ASTM A182, A276, A479 / ASME SA182, SA276, SA479 |
| Size | 2mm~25mm and 1/16″~1″ |
| Thread | NPT, PT, BST, NPS, PS, BSP |
| Pressure | 6000PSI for Stainless Steel 300/1000/3000PSI for Brass |
| Types | Tube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
|
Density |
Melting Point |
Tensile Strength |
Yield Strength 0.2% Proof |
Elongation (%) |
|
8.0 g/cm3 |
1457 °C (2650 °F) |
Psi – 75000 , MPa – 515 |
Psi – 30000 , MPa – 205 |
35 % |
You’ll find **Stainless Steel 321 Instrumentation Tube Fittings** widely utilized across various industries, including petrochemical, aerospace, power generation, oil & gas, and high-temperature process systems. They’re perfect for connecting instrumentation lines in steam systems, thermal oxidizers, heat exchangers, and exhaust systems that experience prolonged exposure to elevated temperatures.
| Fitting Types | Size Inch | Size OD | |
|---|---|---|---|
| Tube to | Female Fitting | 1/4″ to 1 1/2″ | 6mm to 38mm |
| Pipe Fitting | |||
| Union | |||
| Male Fitting | |||
| Tube Fittings Accessories |
Grade | British | Euronorm | UNS No. | SS | JIS | |||
European Standards | British Standards | DIN No | Name | |||||
321 | 58B, 58C | 321S31 | 1.4541 | X6CrNiTi18-10 | S32100 | 2337 | SUS 321 | |
Contact us to get a quick quote for your requirement.
Gabriel Tube Fittings is a leading supplier and stockist of premium Stainless Steel 321 Instrumentation Tube Fittings in Cairo, Egypt. Our products are widely utilized across various industries, and we are committed to delivering exceptional service and ensuring high customer satisfaction. Our distinctive finishing techniques set us apart in the metal industry. We are dedicated to consistently providing top-quality products while effectively addressing the needs of our customers.
Stainless steel 321 instrumentation tube fittings are widely used in applications requiring high resistance to heat and corrosion. Typical applications include oil and gas production, chemical manufacturing, and power generation. Their excellent mechanical properties make them ideal for use in high-temperature environments, such as heat exchangers and pressure vessels Titanium in 321 stainless steel increases intergranular corrosion resistance, providing those materials this is suitable for aggressive chemicals in addition to providing reliable connections for hydraulic and pneumatic systems.
Please feel free to contact us if you need any further information or for enquiry.
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