Inconel 718 (UNS N07718) High-temperature alloy
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Features
- Good mechanical properties
- High temperature resistant
- Under 700℃ it has exceedingly high tensile strength, anti-fatigue performance, and demonstrates resistance to creep-rupture
- Highly antioxidant when temperatures reach 1000℃
- The chemical elements are stable when in low-temperature environments
- Excellent welding characteristics
Product Form
| Products | ASTM Standard | ASME Standard |
| Sheet, Plate, Strip | B670 | SB670 |
| Bar, Flat Bar | B637 | SB637 |
| Forging Part | B670 | SB670 |
Chemical Analysis
| % | Ni | Cr | Fe | Mo | Nb | Co | C | Mn | Si | S | Cu | Al | Ti | P | |
| UNS N07718 | Min. | 50 | 17 | Balance | 2.8 | 4.75 | - | - | - | - | - | - | 0.2 | 0.65 | - |
| Max. | 55 | 21 | Balance | 3.3 | 5.5 | 1 | 0. 08 | 0.35 | 0.35 | 0. 015 | 0.3 | 0.08 | 1.15 | 0.75 |
Physical Properties
| Melting Range | Density | Alloy | Tensile Strength | Yield Strength | Elongation | Brinell Hardness |
| 1260-1340°C | 8.24G/CM3 | Solution Treatment | RM N/MM2 | RP0.2 N/NM2 | A5% | HB |
| 965 | 550 | 30 | ≤363 |
- Applications
- Pollution-control equipment
- Chemical processing
- Gas turbine engine parts
- Cryogenic storage tanks
- Liquid fuel rocket motor components
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