Home > Stainless Steel > Stainless Steel 304H Instrumentation Tube Fittings
Ayhan Tube Fittings, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of Stainless Steel 304H Instrumentation Tube Fittings. They offer high-quality solutions designed for precise fluid control in industrial instrumentation systems. These fittings are crafted to ensure leak-proof connections, exceptional durability, and reliable performance even in high-pressure and high-temperature environments. Adhering to international standards and undergoing rigorous quality checks, Ayhan Tube Fittings guarantees that every product meets the stringent demands of industries like oil and gas, chemical processing, petrochemical, marine, and power generation. With competitive pricing, prompt delivery, and a strong focus on customer service, the company has earned a reputation for excellence in specialty instrumentation components.
The Stainless Steel 304H Instrumentation Tube Fittings are constructed from 304H, a high-carbon austenitic stainless steel alloy enriched with chromium and nickel. The increased carbon content enhances high-temperature strength while still providing excellent corrosion resistance. Mechanically, these fittings boast superior tensile and yield strength, toughness, and durability at elevated temperatures. Their precision-engineered threads and sealing surfaces guarantee secure, leak-proof connections and a long service life, making them perfect for critical instrumentation and process control systems.
| Specifications | ASTM A182, A276, A479 / ASME SA182, SA276, SA479 |
|---|---|
| Size | 1/16 in. to 2 in. & 2mm to 50 mm. |
| Dimensional Range | 1/16 to 2 inches (imperial); 2 to 50 mm (metric) |
| Working Pressures | Upto 2000 to 6000 PSI |
| Thread Type | NPT – ASME B1.20.1, SAE AS71051 | ISO/BSP Parallel – ISO 228 | ISO/BSP Tapered – ISO 7, BS EN 10226-1 | SAE (Unified) – ASME B1.1 |
| End Connections | NPT, ISO/BP, SAE/MS, AN, weld ends, port connectors, sanitary flanges, tube adapters |
| Types | Tube to Union, Tube to Male, Tube to Female, Instrument Pipe Fittings, Accessories |
| Equivalent To | SWAGELOK, PARKER, DK-LOK, HOKE |
| Max Working Pressure | 8MPa | 1200psi Depending on The Tubing Material |
| Working Temperature | -40°C—250°C | -40°F—482°F Depending on The Tubing Material |
| Configurations | Straights, elbows, tees, crosses, caps, plugs, nuts and ferrules Chromatograph and Column End |
| Tube Fitting uses & application |
|
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 10.5 | – |
| 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 | ||||
| 304H | 515 | 205 | 40 | 92 | 201 |
These fittings find extensive use in industries that demand precise and reliable fluid control at high temperatures. In the oil and gas sector, they are utilized in high-temperature pipelines and instrumentation systems. Chemical and petrochemical plants rely on them for the process control of corrosive or high-temperature fluids. The power generation and marine industries benefit from their durability and heat resistance. Additionally, they are also essential in the pharmaceutical and industrial manufacturing sectors.
| STANDARD | UNS | WERKSTOFF NR. | JIS |
| SS 304H | S30409 | 1.4948 | SUS 304H |
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Stainless Steel 304H Instrumentation Tube Fittings are widely used in applications requiring high temperatures and high pressures. Their heat resistance and corrosion protection make them ideal for petrochemical, oil and gas and power plants. Used to ensure safe and slip-free connections to equipment systems, piping and monitoring systems. In addition, they are suitable for chemical applications, where strong and corrosion-resistant materials are needed from harsh solvents. Fittings also play an important role in industries such as pharmaceuticals and food processing, where cleanliness and reliability are important.
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