Inconel 718 Pipe Fittings
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
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Inconel 718 Pipe Fittings come in a variety of shapes and sizes and can be used in both low-pressure and high-pressure environments. Some common types include elbows, tees, crosses, reducers, couplings, caps, and unions. Each type has its own specific purpose depending on the job at hand. For example, elbows are useful when connecting two pipes at an angle while tees are great for branching out from a single line or adding additional branches to an existing pipeline.
Inconel Alloy 718 Butt weld Pipe Fittings Specification
| Standard | ASTM B366 / ASME SB366 |
| Dimensions | ANSI B16.9, B16.25, B16.28, MSS-SP-43, MSS-SP-48, MSS-SP-59 |
| Size | 1/8" NB TO 48" NB. (Seamless & 100% X-Ray Welded, Fabricated) |
| Type | Seamless / Welded(100% X-Ray Welded) / Fabricated |
| Thickness | Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
Inconel 718 Pipe Fittings Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 718 | 0.08 max | 0.35 max | 0.35 max | 0.015max | 0.30 max | – | 50.00 – 55.00 | 17.00 – 21.00 |
Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Inconel 718 | 8.2 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 482 | 45 % |
Equivalent Grades for 718 Inconel Pipe Fittings
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Inconel 718 | 2.4668 | N07718 | – | – | – | – | – |
Uses of Inconel 718 Pipe Fittings
Inconel 718 pipe fittings are often used in nuclear power production, aerospace engineering, and chemical processing due to their excellent strength and corrosion resistance. They are also used to manufacture components that require heat treatment because they maintain structural integrity at high temperatures. Inconel 718 pipe fittings are ideal for extreme environmental conditions or high-pressure applications.
Differences between Inconel 718 pipe fittings and Inconel 625
Inconel 718 pipe fittings are made of a nickel-based alloy that offers high strength, corrosion resistance, and excellent creep rupture strength at high temperatures. Inconel 625 is an austenitic chromium-nickel alloy that offers excellent resistance to corrosion and oxidation. Inconel 718 is often used in more extreme environments due to its excellent heat resistance, while Inconel 625 can withstand lower temperature ranges.
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