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GH605 alloy is a cobalt-nickel-chromium-tungsten alloy that combines excellent high-temperature strength with good resistance to oxidizing environments up to 1800°F (980℃) for prolonged exposures, and excellent resistance to sulfidation. It can be fabricated and formed by conventional techniques, and has been used for cast components. Other attractive features include excellent resistance to metal galling.
Beiye designation | China Standard designation | International designation |
GH605 | GH5605 | HAYNES 25, L-605, UNSR30605 WF-11,KC20WN |
GH605 alloy combines properties which make it suitable for a number of component applications in the aerospace industry, including parts in established military and commercial gas turbine engines. Another area of significant usage for GH605 alloy is as a bearing material, for both balls and races.
C | 0.10 | Ni | 10 | Cr | 20 |
| Si | max0.4 | W | 15 | Co | bal |
Mn | 1.7 | Fe | max0.43 |
As Vacuum Investment Castings | |
Yield Strength | 480 MPa |
Tensile Strength | 700MPa |
| Elongation | 15% |
As Hot-Worked and Solution-Annealed | |
Yield Strength | 570 MPa |
Tensile Strength | 1100MPa |
Elongation | 60% |
As Cold-Worked and Solution-Annealed | |
Yield Strength | 470 MPa |
Tensile Strength | 980MPa |
Elongation | 50% |
* Typical values for material tested in accordance with GB/T 228, GB/T 22315.
Density | 9.13g/cm3 | ||
Melting Point | 1330 ℃ | ||
Thermal expansion(25~1000℃) | 17×10-6/K | ||
GH605 alloy is normaly final solution heat-treated at 2150 to 2250°F (1175 to 1230°C) for a time commensurate with section thickness.
