Haynes 188 Cobalt Based Alloy
Request a Quote
Cobalt-nickel-chromium-tungsten alloy
- 5772
Haynes 188 Cobalt Based Alloy
Physical and Mechanical Properties
Density
9.09g/cm³
Melting point
1300-1360°C
Tensile strength
860MPa
Yield strength
380MPa
Elongation
45%
Product Form and Standard Specification
Bar
AMS 5772
Plate
AMS 5608
Wire
AMS 5801
Forging
AMS 5772
Haynes 188 (GH5188) is a Co-Ni-Cr based solid solution strengthened deformation superalloy, designed for high-temperature environments up to 1100℃. Its excellent high-temperature performance and weldability make it widely used in high-temperature components within the aerospace and energy industries. GH5188 not only boasts strong mechanical properties but also performs exceptionally well in high-temperature and corrosive environments, maintaining superior operational performance under harsh conditions.
Features- Excellent high-temperature strength: Maintains mechanical integrity and stability under extreme heat, making it ideal for turbine components and engine systems.
- Outstanding oxidation and corrosion resistance: Performs reliably in oxidizing atmospheres and chemically corrosive media, ensuring long-term durability.
- Superior wear resistance: High durability under friction and wear reduces maintenance frequency and extends equipment service life.
- Aerospace: Used in high-temperature engine components such as turbine blades and combustion chambers, ensuring reliable aircraft performance.
- Energy sector: Plays a key role in gas turbines and steam turbines, contributing to improved energy conversion efficiency.
- Industrial manufacturing: Applied in mold and tool manufacturing, where its wear resistance enhances the lifespan and productivity of precision equipment.
Chemical compositions
| Element | Min. % | Max. % |
| Ni | 20 | 24 |
| Cr | 20 | 24 |
| Fe | - | 3 |
| W | 13 | 16 |
| Cu | - | 0.07 |
| Co | Bal | |
| C | 0.05 | 0.15 |
| Mn | - | 1.25 |
| Si | 0.2 | 0.5 |
| S | - | 0.15 |
| P | - | 0.02 |
every aspect of materials testing, so our customers can achieve
consistent and accurate results, every time.
Providing High Nickel Alloys and High Performance Alloys

