Incoloy 800 Tube Fittings are expertly crafted components made from Incoloy 800, a nickel-iron-chromium alloy celebrated for its outstanding resistance to oxidation, carburization, and high-temperature corrosion. These fittings are built to create secure, leak-proof connections in piping and tubing systems that operate under extreme conditions, such as high temperatures and highly corrosive environments. Thanks to their impressive mechanical strength, durability, and thermal stability, Incoloy 800 tube fittings deliver reliable performance even in the toughest applications. They’re commonly found in industries where both corrosion resistance and the ability to withstand high temperatures are crucial for maintaining process efficiency and safety.
You can find these fittings in a variety of types, including elbows, tees, reducers, unions, crosses, and adapters, catering to different system configurations. The unique alloy composition of Incoloy 800 gives it high tensile strength, toughness, and excellent resistance to pitting, crevice corrosion, and stress-corrosion cracking. Their precise manufacturing guarantees leak-tight seals, smooth flow, and straightforward installation, while their resistance to oxidation and thermal fatigue makes them perfect for continuous high-temperature service. Incoloy 800 tube fittings can support both welded and threaded connections, depending on what the piping system needs.
| 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 8000 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 | Ni | Fe | Cr | Cu | Ti | Al | C | Mn | S | Si |
| Incoloy 800 | 30.0-35.0 | 39.5 min | 19.0-23.0 | .75 max | .15-.60 | .15-.60 | .1 max | 1.5 max | .015 max | 1.0 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.94 g/cm3 | 1350-1400 ℃ | Psi – 75,000 , MPa -520 | Psi – 30,000 , MPa – 205 | 30 – 35 % |
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST | OR |
| Incoloy 800 | N08800 | 1.4876 | Z8NC32-21 | X10NiCrAlTi32-20 | NCF 800 | NA 15 | ЭИ670 | XH32T |
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These fittings are widely used across chemical processing, petrochemical, power generation, oil and gas, and marine industries. They’re especially well-suited for high-temperature process lines, heat exchangers, furnace and boiler systems, and applications involving the transfer of corrosive fluids. By providing durable, corrosion-resistant, and leak-proof connections, these fittings help ensure system reliability, cut down on maintenance costs, and keep operational efficiency high in harsh industrial settings. With their blend of strength, high-temperature performance, and resistance to chemical attack, Incoloy 800 tube fittings are essential components in demanding environments.
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