Alloy 718 Sheet
Alloy 718 is precipitation strengthened nickel-based high-temperature high-strength alloy, in the temperature range of -253 ~ 700 ℃ has a good overall performance, 650 ℃ yield strength below the deformation of high-temperature alloys in the first place, and has a good fatigue, radiation, oxidation, corrosion resistance, as well as good machining performance, welding performance and long-term organisational stability, able to manufacture a variety of complex shapes of the parts and components, in the aerospace, nuclear energy, petroleum industry, the temperature range in the above has gained a very wide range of applications.
718 nickel alloys plate chemical composition
| Min% | Max% | |
|---|---|---|
| Ni (+Co) | 50.00 | 55.00 |
| Cr | 17.00 | 21.00 |
| Fe | Bal. | |
| Nb (+Ta) | 4.75 | 5.50 |
| Mo | 2.80 | 3.30 |
| Ti | 0.65 | 1.15 |
| Al | 0.20 | 0.80 |
| Co | 1.00 | |
| C | 0.08 | |
| Mn | 0.35 | |
| Si | 0.35 | |
| P | 0.015 | |
| S | 0.015 | |
| B | 0.006 | |
| Cu | 0.30 |
alloy 718 nickel alloy material mechanical property
| Material | Tensile strength | Yield strength 0,2 | Elongation | Hardness HB30 |
|---|---|---|---|---|
| N07718 | 965 N/mm² | 550 N/mm² | 30% | 363HB |
Properties of alloy 718 nickel alloy metals
1. Easy processing;
2. At 700 ℃ with high tensile strength, fatigue strength, creep strength and fracture strength;
3. High oxidation resistance at 1000°C;
4. Stable chemical properties at low temperatures;
5. Good welding performance.
alloy 718 nickel alloys sheet Products Description
Another characteristic of this alloy is that the organisation of the alloy is particularly sensitive to the thermal processing technology, mastering the alloy phase precipitation and dissolution laws and organisation and process, performance interrelationships, can be used for different requirements for the development of a reasonable and feasible process procedures, can be obtained to meet the different strength levels and the use of the requirements of a variety of parts.
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