Inconel 925
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Inconel 925 - High Strength and Corrosion Resistance
Inconel 925 is a nickel-based superalloy that provides excellent resistance to a wide range of corrosive environments. It is specifically designed for applications that require high strength, especially at elevated temperatures, and resistance to both oxidation and corrosive attacks. The alloy is strengthened by additions of titanium, aluminum, and molybdenum, and has excellent resistance to stress-corrosion cracking, pitting, and crevice corrosion, particularly in environments such as seawater, acidic solutions, and high-temperature service.
Inconel 925 also offers superior weldability, formability, and resistance to thermal-fatigue. It is commonly used in the aerospace, chemical processing, and marine industries, as well as in applications where high pressure and temperature conditions are present.
Features of Inconel 925:
- Excellent resistance to oxidation, corrosion, and scaling at high temperatures.
- Superior resistance to stress-corrosion cracking and pitting in seawater and other aggressive environments.
- High strength and good fatigue resistance, especially at elevated temperatures.
- Good weldability and formability, even in the as-welded condition.
- Strong resistance to oxidation and high-temperature corrosion.
Specifications:
- AMS 5666
- ASTM B446
- UNS N09925
- ASME SB-446
NICKEL-BASED SUPERALLOYS - ALLOY 925
Applicable Standards | AMS 5666, ASTM B446, UNS N09925, ASME SB-446 |
---|---|
Carbon % | 0.03 Max |
Silicon % | 0.50 Max |
Manganese % | 1.00 Max |
Sulphur % | 0.015 Max |
Chromium % | 19-23 |
Molybdenum % | 3.0-4.0 |
Copper % | 0.50 Max |
Nickel % | 50-58 |
Titanium % | 1.5-2.5 |
Aluminum % | 1.0-1.5 |
Tungsten % | – |
Hardness (BHN) | 250-350 BHN |
Density | 8.47 g/cm³ |
U.T.S. (N/MM²) | 950 MPa |
Yield Strength (MPa) | 690 MPa |
Elongation | 30% |
Reduction Area | 55% |
Impact (Room Temperature) | 100 J |
Impact (-196°C) | – |