Martensitic steel having a Z-phase, powder and component
An alloy which includes at least the following (in % by weight): carbon (C): 0.15%-0.25%; silicon (Si): 0.0%-0.08%; manganese (Mn): 0.03%-0.20%; chromium (Cr): 9.5%-10.5%; molybdenum (Mo): 0.4%-1.0%; tungsten (W): 1.6%-2.4%; cobalt (Co): 2.5%-3.5%; nickel (Ni): 0.0%-0.40%; boron (B): 0.003%-0.02%; nitrogen (N): 0.0%-0.40%; titanium (Ti): 0.02%-0.10%; vanadium (V): 0.10%-0.30%; niobium (Nb): 0.02%-0.08%; copper (Cu): 1.20%-2.10%; and aluminum (Al): 0.003%-0.06%, in particular 0.005%-0.04%; the remainder being iron (Fe).
1. An alloy consisting essentially of (in % by weight):
carbon (C): 0.15%-0.25%,
silicon (Si): 0.0%-0.08%,
manganese (Mn): 0.03%-0.20%,
chromium (Cr): 9.5%-10.5%,
molybdenum (Mo): 0.4%-1.0%,
tungsten (W): 1.6%-2.4%,
cobalt (Co): 2.5%-3.5%,
nickel (Ni): 0.0%-0.40%,
boron (B): 0.003%-0.02%,
nitrogen (N): 0.0%-0.40%,
titanium (Ti): 0.02%-0.10%,
vanadium (V): 0.10%-0.30%,
niobium (Nb): 0.02%-0.08%,
copper (Cu): 1.20%-2.10%,
aluminum (Al): 0.003%-0.06%,
balance iron (Fe),
wherein the alloy is configured as a rotor disk and can withstand temperatures up to 873 K.
2. The alloy as claimed in claim 1 consisting essentially of 0.2% by weight of carbon (C).
3. The alloy as claimed in claim 1 consisting essentially of 0.06% by weight of silicon (Si).
4. The alloy as claimed in claim 1 consisting essentially of 0.1% by weight of manganese (Mn).
5. The alloy as claimed in claim 1 consisting essentially of 10.00% by weight of chromium (Cr).
6. The alloy as claimed in claim 1 consisting essentially of 0.7% by weight of molybdenum (Mo).
7. The alloy as claimed in claim 1 consisting essentially of 2.0% by weight of tungsten (W).
8. The alloy as claimed in claim 1 consisting essentially of 3.0% by weight of cobalt (Co).
9. The alloy as claimed in claim 1 consisting essentially of 0.0% by weight of nickel (Ni) except for contamination level.
10. The alloy as claimed in claim 1 consisting essentially of 0.010% by weight of boron (B).
11. The alloy as claimed in claim 1 consisting essentially of 0.0% by weight of nitrogen (N) except for contamination level.
12. The alloy as claimed in claim 1 consisting essentially of 0.05% by weight of titanium (Ti).
13. The alloy as claimed in claim 1 consisting essentially of 0.20% by weight of vanadium (V).
14. The alloy as claimed in claim 1 consisting essentially of 0.05% by weight of niobium (Nb).
15. The alloy as claimed in claim 1 consisting essentially of 1.75% by weight of copper (Cu).
16. The alloy as claimed in claim 1 consisting essentially of 0.02% by weight of aluminum (Al).
17. An alloy consisting of (in % by weight):
carbon (C): 0.19%-0.21%,
silicon (Si): 0.0%-0.06%,
manganese (Mn): 0.05%-0.15%,
chromium (Cr): 9.8%-10.2%,
molybdenum (Mo): 0.6%-0.8%,
tungsten (W): 1.9%-2.1%,
cobalt (Co): 2.8%-3.2%,
nickel (Ni): 0.0%-0.20%,
boron (B): 0.006%-0.01%,
nitrogen (N): 0.0%-0.20%,
titanium (Ti): 0.04%-0.08%,
vanadium (V): 0.15%-0.25%,
niobium (Nb): 0.04%-0.06%,
copper (Cu): 1.65%-1.85%,
aluminum (Al): 0.005%-0.04%,
Balance iron (Fe),
wherein the alloy is a martensitic steel rotor disk that withstands temperatures up to 873 K.
18. Te An alloy consisting of (in % by weight):
carbon (C): 0.20%,
silicon (Si): 0.06%,
manganese (Mn): 0.10%,
chromium (Cr): 10%,
molybdenum (Mo): 0.7%,
tungsten (W): 2.0%,
cobalt (Co): 3.0%,
nickel (Ni): 0.0%,
boron (B): 0.010%,
nitrogen (N): 0.0%,
titanium (Ti): 0.05%,
vanadium (V): 0.20%,
niobium (Nb): 0.05%,
copper (Cu): 1.75%,
aluminum (Al): 0.02%,
balance iron (Fe),
wherein the alloy is a martensitic steel having a Z phase alloy.