Alloy 718 Ring
SSM supplies Alloy 718 Rings (UNS N07718) conforming to ASTM B637 / AMS 5596, offering exceptional high-temperature strength, corrosion resistance, and fatigue performance for aerospace, power generation, and industrial applications.
Material Overview:
Material Grade: Alloy 718 (Inconel 718)
UNS Number: N07718
Standards: ASTM B637 / AMS 5596
Form: Ring / Forged Ring
Type: Nickel-Chromium-Iron Alloy, Precipitation-Hardened
Chemical Composition (Typical)
| Element | Content (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 17–21 |
| Iron (Fe) | ≤ 19 |
| Niobium + Tantalum (Nb+Ta) | 4.75–5.5 |
| Molybdenum (Mo) | 2.8–3.3 |
| Titanium (Ti) | 0.65–1.15 |
| Aluminum (Al) | 0.2–0.8 |
| Carbon (C) | ≤ 0.08 |
| Manganese (Mn) | ≤ 0.35 |
| Silicon (Si) | ≤ 0.35 |
Key Features:
Excellent high-temperature strength and creep resistance up to 700°C (1290°F)
Outstanding corrosion and oxidation resistance
Precipitation-hardened for superior mechanical properties
Good fatigue and stress rupture resistance
Suitable for forging, machining, and welding
Typical Applications:
Aerospace and gas turbine components (discs, shafts, rings)
High-temperature fasteners and flanges
Jet engines and rocket propulsion systems
Nuclear and power generation equipment
Industrial gas turbines and high-performance machinery
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