Inconel 718/ Nickel Alloy 718 Tube price
inconel 6718/UNS NO7718 /GH4169
Inconel 718 Chemical composition
Alloy | % | Ni | Cr | Fe | Mo | Nb | Co | C | Mn | Si | S | Cu | Al | Ti |
718 | Min. | 50 | 17 | balance | 2.8 | 4.75 |
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| 0.2 | 0.7 |
Max. | 55 | 21 | 3.3 | 5.5 | 1 | 0.08 | 0.35 | 0.35 | 0.01 | 0.3 | 0.8 | 1.15 |
Inconel 718 Physical properties
Density | 8.2 g/cm³ |
Melting point | 1260-1340 °C |
Inconel 718 Alloy minimum mechanical properties in the roomtemperature
Alloy | Tensile strength | Yield strength | Elongation | Brinell hardness HB |
Solution treatment | 965 | 550 | 30 | ≤363 |
718 Characteristic as below:
1.workability
2.High tensile strength,endurance strength,creep strength and rupture strength at 700°C.
3.High inoxidability at1000°C.
4.Steady mechanical performance in the low temperature.
5.Good welding performance.
Inconel 718 Metallurgical structure
718alloy is Austenitic structure, precipitation hardening generate "γ" made it excellent mechanical performance. G rain boundary generate "δ" made it the best plasticity in the heat treatment.
Inconel 718 Corrosion resistance
718 alloy with extremely resistance to stress corrosion cracking and pitting ability in high temperature or low temperature environments, especially the inoxidability in the high temperature.
Inconel 718 Application field:
The elevated temperature strength, excellent corrosion resistance and workability at 700°C properties made it use in a wide range of high requirement environments.
1.Steam turbine
2.Liquid-fuel rocket
3.Cryogenic engineering
4.Acid environment
5.Nuclear engineering
Other nickel alloy products | ||||
Inconel | Incoloy | Monel | Hastelloy | Nimonic |
Inconel 600 | Incoloy 800 | Monel 400 | Hastelloy X | Nimonic 75 |
Inconel 601 | Incoloy 800H | Monel K500 | Hastelloy C276 | Nimonic 80A |
Inconel 625 | Incoloy 800HT |
| Hastelloy B | Nimonic 90 |
Inconel 718 | Incoloy 825 |
| Hastelloy B2 | Nimonic 105 |
Inconel X-750 | Incoloy A286 |
| Hastelloy B3 |
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Inconel 660 | Incoloy 925 |
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Inconel 690 |
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Pure Nickel | Precision Alloy | Other | Welding Material | |
Nickel 200 | 1J50 | 904L | ERNi-1 | ER308 |
Nickel 201 | 1J79 | Alloy 20 | ERNiCrMo-3 | ER308LSi |
| 1J85 |
| ERNiCr-3 | ER309 |
| 4J29 Kovar |
| ERNiCu-3 | ER309L |
| 4J36 Invar 36 |
| ERNiCrMo-4 | ER316 |
| Alloy 42 |
| ERNiFeCr-1 | ER316L |
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| ERNiFeCr-2 | ER316LSi |
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| ERNiCrFe-11 | ER385 |
1.What’s MOQ for your products?
Our MOQ is 50kg,but could accpet customer ltittle quantity trial order .
2.We need sample to test , can you provide?
Free sample is available,customer just need to pay the freight
3.How to confirm the quality about your products?
Before delivery , we will test the products at random, then send you the test report along with the documents.
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