Ayhan Tube Fittings is a reliable Istanbul, Turkey-based manufacturer and supplier of high-quality Incoloy Tube Fittings. They are highly recognized for being durable and of the highest quality. Ayhan’s Incoloy fittings are designed to be of high international standards. With their intended use in high-performance industries, these tube fittings form leak-free connections at harsh temperatures and pressures. With years of expertise and advanced manufacturing technology, Ayhan provides sound and corrosion-resistant Incoloy fittings that are perfect for critical applications. Manufacturers across the globe trust Ayhan for uninterrupted supply, exacting manufacture, and cost-effectiveness, establishing it as a front runner in the tube fitting industry.
Incoloy tube fittings consist mainly of nickel (38-46%), chromium (19-23%), and iron, with small amounts of molybdenum, copper, and titanium. This alloy has excellent carburization and oxidation resistance. Its mechanical properties are tensile strength of approximately 585 MPa, yield strength of 240 MPa, and elongation of 30%. Incoloy fittings are structurally sound under operating temperatures and pressures. Their superior corrosion resistance makes them ideal for severe chemical conditions, providing both long-term performance and strength without failure or degradation with time.
| 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 Tube Fittings | 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 Tube Fittings | N08825 | 2.4858 | NC22DNB4M | NiCr22Mo9Nb | NCF 825 | NA 21 | ЭП703 | ЭИ602 |
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Incoloy Tube Fittings are widely used in industries requiring resistance to high temperatures and corrosive environments. In chemical processing, they are essential for handling corrosive acids and fluids in heat exchangers, piping systems, and reactors. The oil & gas sector utilizes these fittings in sour gas service, offshore platforms, and pipelines due to their resistance to seawater and harsh chemicals. Additionally, Incoloy Tube Fittings are used in marine engineering, nuclear power plants, and pollution control systems, providing reliable performance under extreme conditions such as high pressure and temperature.
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