Cobalt Based Alloys Alloy l605/188 Sheet / Bar / Forgings
| Material | Cobalt Alloy |
| Grade | Hayness188,Haynes25(L-605),Alloy S-816,UMCo-50,MP-159,FSX-414,X-40,Stellite6B,etc |
| Standard | AMS 5608,5772,5796,5542/ ASTM F90 ,etc |
| Type | Sheets, bar, fittings, flanges, shafts, assemblies,etc |
| Packing | Pallet, Plywooden case, etc |
| Application | Aircraft forgings, marine forgings, weapons forgings, petrochemical forgings, nuclear power forgings, thermal power forgings, and hydropower forgings |
Characteristic of Cobalt Based Alloys:
Cobalt based alloy have many unique characteristics, making them widely used in various fields. Firstly, cobalt alloy has excellent high-temperature strength and oxidation resistance, which can maintain stable mechanical properties at extreme temperatures, making it an important material in the aerospace and energy industries.
Secondly, cobalt alloys have excellent corrosion resistance and can resist corrosion from oxidizing, acid-base, and other media, making them widely used in corrosive environments such as chemical, petroleum, and marine engineering. In addition, cobalt alloys also have good wear resistance and high hardness, making them suitable for manufacturing cutting tools, bearings, and wear parts.
Cobalt alloys also have high magnetic permeability and hydrogen storage capacity, making them important applications in electronic devices and hydrogen energy storage.
In summary, cobalt based alloy are widely used in various fields such as aerospace, energy, chemical, petroleum, medical devices, electronics, etc. due to their unique characteristics.
Chemical Composition of Cobalt Alloys:
| Steel Grade | C | Si | Mn | P | S | Cr | Ni | Mo | Ti | Cu | Nb | Al | Co | Fe | W | Ta | La |
| Alloy 188/ UNS R30188 | 0.05-0.15 | 0.2-0.5 | 1.25 | 0.02 | 0.01 | 20.0-24.0 | 20.0-24.0 | 6.0-8.0 | 2.35-3.25 | 0.07 | 0.25-0.75 | 0.10-0.30 | balance | 3 | 13.0-16.0 | - | 0.03~0.12 |
| Alloy L-605/ UNS R30605 | 0.05-0.15 | 0.4 | 1 | 0.04 | 0.03 | 19.0-21.0 | 9.0-11.0 | - | - | - | - | - | balance | 3 | 14.0-16.0 | - | - |
| Alloy S-816 | 0.03 | 0.80-1.1 | 0.2 | 0.02 | 0.02 | 23.5-25.0 | - | - | - | - | - | - | 11.5~13.0 | Balance | 3.0-6.0 | 0.5-2.5 | - |
| Alloy 6B | 0.9-0.14 | - | 2 | - | - | 28-32 | 3 | 1.5 | - | - | - | - | balance | 3 | 3.5-5.5 | - | - |
| UMCo50 | 0.05-0.12 | 0.5-1.0 | 0.5-1.0 | 0.02 | 0.02 | 27-29 | - | - | - | - | - | - | 48-52 | Balance | - | - | - |
| FSX-414 | 0.2-0.3 | 1 | 1 | - | - | 28.5-30.5 | 9.5-11.5 | - | - | - | - | - | balance | 2 | 3.5-5.0 | 4.5-6.5 | - |
| MP-159 | 0.04 | 0.2 | 0.2 | 0.02 | 0.01 | 18.0-24.0 | balance | 6.00-8.00 | 2.50-3.25 | - | - | 0.10-0.30 | 34.00-38.00 | 8.00-10.00 | - | - | - |
Cobalt Alloy Forging production process:
Material preparation and heating treatment.
Preparation and alignment of forging.
Apply pressure for forging operations.
Size trimming and removal of excess materials.
Perform heat treatment to improve mechanical properties.
Surface treatment improves appearance and corrosion resistance.
Inspection and quality control.
Final processing and assembly.


