Alloy 188 - UNS R30188, AMS 5382, DIN 2.4640
Alloy 188 is a cobalt-based superalloy known for its excellent high-temperature strength, outstanding oxidation resistance, and superior creep resistance. It is widely utilized in aerospace, industrial gas turbines, and other applications requiring consistent performance under extreme conditions.
The alloy exhibits remarkable resistance to high-temperature oxidation and sulfide corrosion, making it ideal for components exposed to aggressive environments.
Alloy 188 Plates & Sheets
Alloy 188 plates and sheets are used in high-temperature and high-stress applications such as gas turbine components and heat shields.
Alloy 188 Round Bars
Alloy 188 round bars are ideal for manufacturing components like fasteners, shafts, and high-strength parts for extreme environments.
Alloy 188 Flanges
Alloy 188 flanges provide excellent corrosion resistance and are suitable for high-pressure, high-temperature systems.
Alloy 188 Fittings
Alloy 188 fittings are critical for chemical and aerospace systems where reliability in corrosive environments is essential.
Alloy 188 Tubes & Pipes
Alloy 188 tubes and pipes are utilized in heat exchangers and exhaust systems, offering excellent resistance to thermal fatigue and oxidation.
Alloy 188 Fasteners
Alloy 188 fasteners ensure long-lasting performance in challenging environments, making them suitable for aerospace and industrial applications.
Applications of Alloy 188
- Aerospace: Used in jet engines, afterburners, and combustion liners due to its high-temperature properties.
- Gas Turbines: Ideal for high-stress components such as blades and vanes exposed to extreme heat.
- Chemical Processing: Provides corrosion resistance in aggressive chemical environments.
- Power Plants: Utilized in high-temperature systems for power generation and environmental control.
Chemical Composition of Alloy 188
- Cobalt (Co): Balance
- Chromium (Cr): 20.0% - 24.0%
- Nickel (Ni): 20.0% - 22.0%
- Tungsten (W): 13.0% - 16.0%
- Iron (Fe): 3.0% max
- Manganese (Mn): 0.25% - 1.25%
- Silicon (Si): 0.20% - 0.60%
- Carbon (C): 0.05% - 0.15%