Located in the industrious heart of Hamilton, New Zealand, Mason Tubefittings stands as a dedicated manufacturer and supplier of precision-engineered fluid system components. We take particular pride in our expertise with Inconel 718 tube fittings, products born from a commitment to exceptional quality and reliability. We understand that in demanding environments, the integrity of every connection is paramount, which is why we focus on delivering fittings that offer unmatched performance and durability for the most challenging applications both locally and internationally.
Inconel 718 derives its remarkable strength from a sophisticated nickel-chromium composition, further enhanced with significant amounts of niobium and molybdenum. This unique alloy chemistry grants it outstanding mechanical properties, including high tensile and yield strength that are maintained even when exposed to extreme temperatures. Perhaps its most valued characteristic is its exceptional resistance to post-weld cracking, a feature that sets it apart from many other high-performance superalloys and makes it exceptionally reliable for critical assemblies.
| 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 718 | 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 718 | N06625 | 2.4856 | NC22DNB4M | NiCr22Mo9Nb | NCF 625 | NA 21 | ХН75МБТЮ | ЭИ602 |
Contact us to get a quick quote for your requirement.
The exceptional resilience of our Inconel 718 tube fittings makes them the clear choice for industries where failure is not an option. You will find them confidently containing aggressive media in chemical processing plants, managing high-pressure hydraulic systems in aerospace engineering, and withstanding the intense heat and corrosive gases within gas turbine engines. They are equally vital in oil and gas extraction, nuclear power generation, and anywhere components must endure a combination of intense pressure, searing heat, and corrosive attack without compromise.
Please feel free to contact us if you need any further information or for enquiry.
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