Inconel 625 Tube Fittings are top-notch fittings crafted to ensure leak-proof and secure connections in critical piping and instrumentation systems. Made from Inconel 625, a nickel-chromium-molybdenum alloy, these fittings are celebrated for their exceptional resistance to oxidation, corrosion, and pitting, even in the most aggressive environments. They boast impressive mechanical strength, toughness, and stability, even when faced with extreme temperatures and pressures. Thanks to their precise manufacturing and sturdy construction, Inconel 625 tube fittings deliver reliable performance, ensuring safety and durability in demanding industrial settings.
The makeup of Inconel 625 tube fittings features a high concentration of nickel and chromium, along with molybdenum and niobium, which boost their resistance to chloride-ion stress corrosion cracking, crevice corrosion, and high-temperature oxidation. These fittings maintain remarkable strength without needing heat treatment, making them versatile across a wide temperature range. Their outstanding fatigue and creep resistance, paired with corrosion resistance in seawater and acidic environments, make Inconel 625 tube fittings a dependable choice for long-term service in tough operating conditions.
| Specifications | ASTM B366 / ASME SB366 |
|---|---|
| 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 6010 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 |
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| Material Test Certificates (MTC) for Tube Fitting as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| Grade | C | Mn | Si | S | Al | Ti | Fe | Ni | Cr |
| Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | 0.40 max | 0.40 max | 5.0 max | 58.0 min | 20.0 – 23.0 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa -930 | Psi – 75,000 , MPa – 517 | 42.5 % |
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST | OR |
| Inconel 625 | N06625 | 2.4856 | NC22DNB4M | NiCr22Mo9Nb | NCF 625 | NA 21 | ХН75МБТЮ | ЭИ602 |
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Inconel 625 tube fittings find their place in various industries, including aerospace, marine, chemical processing, nuclear power, oil and gas, and offshore applications. They are especially ideal for systems that come into contact with seawater, acidic solutions, and high-pressure steam, where other materials might falter. Commonly utilized in instrumentation, hydraulic, and process control systems, these fittings guarantee accurate, leak-proof, and efficient transfer of fluids or gases. Their durability and resistance to harsh conditions help lower maintenance costs, extend service life, and enhance overall system reliability, making Inconel 625 tube fittings a trusted option for the most challenging engineering applications.
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