Curtis Tube Fittings, located in Manila, Philippines, stands out as a top manufacturer and supplier of high-quality Incoloy 825 Tube Fittings. Known for their precision engineering, durability, and remarkable resistance to corrosion, these fittings are crafted for tough industrial applications where chemical resistance and strong connections are a must. Curtis guarantees that every Incoloy 825 Tube Fitting adheres to international standards, ensuring leak-proof performance, mechanical reliability, and a long lifespan. Catering to the oil and gas, chemical, marine, and industrial sectors, Curtis provides robust solutions that promote operational safety, efficiency, and consistent performance even in challenging environments.
Incoloy 825 Tube Fittings are crafted from a nickel-iron-chromium alloy, enhanced with molybdenum and copper, which gives them exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking. These fittings boast impressive tensile strength, ductility, and toughness, maintaining their stability in high-temperature and aggressive chemical settings. The alloy’s outstanding resistance to both oxidizing and reducing acids, seawater, and chloride-rich environments makes Incoloy 825 Tube Fittings perfect for critical applications that demand long-lasting durability and leak-proof performance.
| 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 8250 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 |
| Incoloy 825 | 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 |
| Incoloy 825 | N08825 | 2.4858 | NC22DNB4M | NiCr22Mo9Nb | NCF 825 | NA 21 | ЭП703 | ЭИ602 |
You’ll find Incoloy 825 Tube Fittings widely utilized in chemical and petrochemical plants, offshore and onshore oil and gas operations, marine systems, and industrial process pipelines for connecting and controlling tubing. They’re well-suited for handling strong acids, alkalis, and other corrosive fluids. Moreover, they play a vital role in instrumentation, metering, and critical process control systems where leak-tight performance, minimal maintenance, and operational reliability are crucial. Their exceptional corrosion resistance and mechanical properties ensure safe, efficient, and long-lasting performance in harsh industrial settings.
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Incoloy 825 Tube Fittings have extensive applications in chemical processing, marine, and pollution control sectors where good corrosion resistance is required. The fittings are ideal for applications where a system is exposed to aggressive media, e.g., acidic or alkaline solutions, seawater, or high-temperature processes. They are widely used in heat exchangers, pressure vessels, and reactors and provide superior corrosion and stress cracking protection, which guarantees a long service life and stable performance in critical applications under harsh conditions.
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