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US 2014/0191017 A1Published application
Nickel-based alloy, use and method
AssigneeSiemens Aktiengesellschaft
InventorsNikolai Arjakine, Torsten Jokisch, Andreas Neidel, Michael Ott, Sebastian Piegert, Dimitrios Thomaidis
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Abstract
The invention relates to a novel alloy which comprises the elements carbon (C), chromium (Cr), cobalt (Co), molybdenum (Mo), tungsten (W), titanium (Ti), aluminium (Al), boron (B), and zirconium (Zr), based on nickel, and which has a very low tendency to form cracks during welding.
Claims16
A nickel-based alloy
- which at least comprises (in % by weight):
- carbon (C) 0.13%-0.2%,
- chromium (Cr) 13.5%-14.5%,
- cobalt (Co) 9.0%-10.0%,
- molybdenum (Mo) 1.5%-2.4%,
- tungsten (W) 3.4%-4.0%,
- titanium (Ti) 4.6%-5.0%,
- aluminum (Al) 2.6%-3.0%,
- boron (B) 0.005%-0.008%,
- with a remainder of nickel (Ni),
- optionally
- niobium (Nb) max. 0.1%,
- tantalum (Ta) max. 0.1%,
- zirconium (Zr) max. 0.05% and at least 0.02%,
- hafnium (Hf) max. 0.1%,
- silicon (Si) max. 0.1%,
- manganese (Mn) max. 0.1%
- and impurities,
- comprising phosphorus (P), iron (Fe), sulfur (S), vanadium (V), copper (Cu), lead (Pb), bismuth (Bi), selenium (Se), tellurium (Te), thallium (Tl), magnesium (Mg), nitrogen (N), silver (Ag), and comprises these alloying elements.
16 more elements
Dependencies are inferred from the claim text.