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US 2026/0209899 A1Published application
Micro alloyed superalloy and heat treatment
AssigneeSiemens Energy Global GmbH & Co. KG
InventorFrancis Ladru
Life of this patent
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Abstract
A nickel based superalloy, which includes (in wt %): C: 0.05%-0.16%, Cr: 8.0%-9.5%, Co: 9.0%-10.5%, W: 9.0%-10.5%, Mo: 0.2%-1.0%, Ta: 2.5%-3.5%, Al: 5.0%-6.0%, Ti: 0.5%-1.5 %, B: 0.01%-0.025%, Hf: 1.0%-2.0%, Zr: 0.004%-0.06%, Nickel (Ni) and inevitable impurities.
Claims16
A nickel based superalloy, which comprises (in wt %)
- C:
- 0.05%-0.16%,
- Cr:
- 8.0%-9.5%,
- Co:
- 9.0%-10.5%,
- W:
- 9.0%-10.5%,
- Mo:
- 0.2%-1.0%,
- Ta:
- 2.5%-3.5%,
- Al:
- 5.0%-6.0%,
- Ti:
- 0.5%-1.5 %,
- B:
- 0.01%-0.025%,
- Hf:
- 1.0%-2.0%;
- Zr:
- 0.004%-0.06%,
- Nickel (Ni) and inevitable impurities,
- especially the balance is Nickel,
- optionally
- Mg:
- 10 ppm-70 ppm,
- and/or
- Si:
- 20 ppm-300 ppm,
- and/or
- Fe:
- 20 ppm-400 ppm,
- and/or
- Mn:
- 10 ppm-200 ppm
- and/or
- V≤500 ppm
- and/or
- Nb<500 ppm
- and/or
- Cu<100 ppm.
39 more elements
Dependencies are inferred from the claim text.