WO2017178188A1 - Martensitic steel having a z-phase, powder and component - Google Patents

Martensitic steel having a z-phase, powder and component Download PDF

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Publication number
WO2017178188A1
WO2017178188A1 PCT/EP2017/056363 EP2017056363W WO2017178188A1 WO 2017178188 A1 WO2017178188 A1 WO 2017178188A1 EP 2017056363 W EP2017056363 W EP 2017056363W WO 2017178188 A1 WO2017178188 A1 WO 2017178188A1
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Prior art keywords
powder
alloy
component
titanium
nitrogen
Prior art date
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PCT/EP2017/056363
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German (de)
French (fr)
Inventor
Torsten Neddemeyer
Torsten-Ulf Kern
Karsten Kolk
Axel Bublitz
Original Assignee
Siemens Aktiengesellschaft
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Priority to US16/092,462 priority Critical patent/US20190169722A1/en
Priority to EP17711187.9A priority patent/EP3443135A1/en
Publication of WO2017178188A1 publication Critical patent/WO2017178188A1/en

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/02—Making ferrous alloys by powder metallurgy
    • C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
    • C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
    • C22C33/0285—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5% with Cr, Co, or Ni having a minimum content higher than 5%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt

Definitions

  • the invention relates to a martensitic steel with Z-phase, powder and a component thereof.
  • forged rotor disks have hitherto been made of various forged steels.
  • a steel based on NiCrMoV for compressor disks and a steel based on CrMoWVNbN are used for the turbine disks.
  • the main reason for the choice of the forged material, the conditions of use and the de ⁇ sign requirements are.
  • the material with the highest operating temperature is currently a steel based on CrMoWVNbN and a steel based on CrMoCoVB. Both materials are not suitable in the 800-900MPa Fes ⁇ strength class for use above 773K, or 823K. For higher operating temperatures, nickel materials are currently under discussion. Nonetheless, recent research indicates that iron alloys up to 873K can be used. Unfortunately, the components have the following disadvantages, which is why the use has to be weighed:
  • the object is achieved by an alloy according to claim 1, a powder according to claim 2 and a component or blank according to claim 3.
  • the alloy according to the invention has at least

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Powder Metallurgy (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

The invention relates to a steel having the following composition: carbon (C): 0.08% - 0.12%, preferably 0.10%; silicon (Si): 0.04% - 0.08%; manganese (Mn): 0.08% - 0.012%; chromium (Cr): 9% - 11%; molybdenum (Mo): 0.4% - 1.0%; tungsten (W): 1.6% - 2.4%; cobalt (Co): 2.5% - 3.5%; nickel (Ni): 0.10% - 0.24%; boron (B): 0.006% - 0.01%; nitrogen (N): 0.002% - 0.01%; titanium (Ti): 0.008% - 0.03%; vanadium (V): 0.015% - 0.029%; niobium (Nb): 0.03% - 0.07%; optionally copper (Cu): 1.00% - 2.5%; aluminum (Al): 0.04% - 0.10%; the remainder being iron (Fe), wherein said steel has improved properties, since no further Z-phase formation occurs.

Description

Martensitischer Stahl mit Z-Phase, Pulver und Bauteil  Martensitic steel with Z-phase, powder and component
Die Erfindung betrifft einen martensitischen Stahl mit Z- Phase, Pulver und ein Bauteil daraus. The invention relates to a martensitic steel with Z-phase, powder and a component thereof.
In Korrelation zur Anwendungsbedingung werden geschmiedete Rotorscheiben bisher aus verschiedenen Schmiedestählen hergestellt. So wird ein Stahl auf der Basis NiCrMoV für Verdich- terscheiben sowie ein Stahl auf der Basis CrMoWVNbN für die Turbinenscheiben verwendet. Ausschlaggebend für die Wahl des Schmiedematerials sind die Anwendungsbedingungen und die De¬ signanforderungen . Für die Auswahl des Schmiedewerkstoffes gilt es immer einIn correlation to the application condition, forged rotor disks have hitherto been made of various forged steels. For example, a steel based on NiCrMoV for compressor disks and a steel based on CrMoWVNbN are used for the turbine disks. The main reason for the choice of the forged material, the conditions of use and the de ¬ sign requirements are. For the selection of forging material, there is always one
Gleichgewicht aus Festigkeit und Zähigkeit zu gewährleiten, um die Designanforderungen einzuhalten. To ensure balance of strength and toughness to meet the design requirements.
Der Werkstoff mit der höchsten Einsatztemperatur ist aktuell ein Stahl auf der Basis CrMoWVNbN sowie ein Stahl auf der Basis CrMoCoVB. Beide Werkstoffe sind in der 800-900MPa Fes¬ tigkeitsklasse für einen Einsatz oberhalb 773K bzw. 823K nicht geeignet. Für höhere Einsatztemperaturen sind aktuell Nickelwerkstoffe in Diskussion. Nichtsdestotrotz deuten aktuelle Untersuchungen darauf hin, dass Eisenlegierungen bis 873K genutzt werden können . Leider haben die Bauteile folgende Nachteile, weshalb der Einsatz abzuwägen ist: The material with the highest operating temperature is currently a steel based on CrMoWVNbN and a steel based on CrMoCoVB. Both materials are not suitable in the 800-900MPa Fes ¬ strength class for use above 773K, or 823K. For higher operating temperatures, nickel materials are currently under discussion. Nonetheless, recent research indicates that iron alloys up to 873K can be used. Unfortunately, the components have the following disadvantages, which is why the use has to be weighed:
- sehr hohe Kosten im Vergleich zur Scheibe aus Stahl, - very high costs compared to the steel disc,
- neue Bruchmechanikkonzepte müssen entwickelt werden,  - new fracture mechanics concepts have to be developed
- längere Bearbeitungszeiten in der Fertigung. Es ist daher Aufgabe der Erfindung oben genanntes Problem zu lösen . - longer processing times in production. It is therefore an object of the invention to solve the above-mentioned problem.
Die Aufgabe wird gelöst durch eine Legierung gemäß Anspruch 1, ein Pulver gemäß Anspruch 2 und ein Bauteil oder Rohteil gemäß Anspruch 3. The object is achieved by an alloy according to claim 1, a powder according to claim 2 and a component or blank according to claim 3.
In den Unteransprüchen sind weitere vorteilhafte Maßnahmen aufgelistet, die beliebig miteinander kombiniert werden kön- nen, um weitere Vorteile zu erzielen. The subclaims list further advantageous measures which can be combined with one another as desired in order to achieve further advantages.
Durch die Bildung der Z-Phase innerhalb des Nutzungszeitraums des Bauteils wurde die Legierungszusammensetzung martensi- tischer Stähle bisher begrenzt. Due to the formation of the Z-phase within the period of use of the component, the alloy composition of martensitic steels has been limited so far.
Die erfindungsgemäße Legierung weist zumindest auf The alloy according to the invention has at least
(in Gew-%) : (in% by weight):
Kohlenstoff (C) : 0,08% - 0,12%, vorzugsweise 0,10%,  Carbon (C): 0.08% - 0.12%, preferably 0.10%,
Silizium (Si) : 0,04% - 0,08%, vorzugsweise 0,06%,  Silicon (Si): 0.04% - 0.08%, preferably 0.06%,
Mangan (Mn) : 0,08% - 0,12%, vorzugsweise 0,10%,  Manganese (Mn): 0.08% - 0.12%, preferably 0.10%,
Chrom (Cr) : 9% - 11 %, vorzugsweise 10%,  Chromium (Cr): 9% -11%, preferably 10%,
Molybdän (Mo) : 0,4% - 1,0%, vorzugsweise 0,7%,  Molybdenum (Mo): 0.4% - 1.0%, preferably 0.7%,
Wolfram (W) : 1, 6% - 2,4%, vorzugsweise 2,0%,  Tungsten (W): 1, 6% - 2.4%, preferably 2.0%,
Kobalt (Co) : 2 r 5"6 3,5%, vorzugsweise 3,0%, Cobalt (Co): 2 r 5 "6 3.5%, preferably 3.0%,
Nickel (Ni) : 0,10% - 0,24%, vorzugsweise 0,17%,  Nickel (Ni): 0.10% - 0.24%, preferably 0.17%,
Bor (B) : 0,006% - 0,01%, vorzugsweise 0,008%, Boron (B): 0.006% -0.01%, preferably 0.008%,
Stickstoff (N) : 0, 002% - 0,01%, Nitrogen (N): 0, 002% - 0.01%,
Titan (Ti) : 0,008% - 0,03%,  Titanium (Ti): 0.008% - 0.03%,
Vanadium (V) : 0,15% - 0,25%, vorzugsweise 0,20%,  Vanadium (V): 0.15% - 0.25%, preferably 0.20%,
Niob (Nb) : 0,03% - 0,07%, vorzugsweise 0,05%, optional  Niobium (Nb): 0.03% -0.07%, preferably 0.05%, optional
Kupfer (Cu) : 1,25% - 2,25%, vorzugsweise 1,75%,  Copper (Cu): 1.25% - 2.25%, preferably 1.75%,
Aluminium (AI) : 0,04% - 0,10%, insbesondere 0,07%,  Aluminum (AI): 0.04% -0.10%, in particular 0.07%,
Rest Eisen (Fe) ,  Remainder iron (Fe),
insbesondere bestehend aus diesen Elementen. Durch neue Konzepte kann die Grenze verschoben werden: in particular consisting of these elements. New concepts can push the boundary:
a) Verschiebung der Bildung der Z-Phase in Richtung 200.000h, b) Bildung der Z-Phase vor Beginn des Nutzungszeitraums des späteren GT-Schmiedebauteils . a) shifting the formation of the Z-phase in the direction 200,000h, b) forming the Z-phase before the beginning of the period of use of the later GT forging component.
In Folge dessen ändern sich die mechanischen Eigenschaften über den Nutzungszeitraum durch die Ausbildung der Z-Phase nicht mehr. Stattdessen sind die Kennwerte durch die Ausbil¬ dung der Z-Phase sehr viel konstanter. Eine Auslegung der Bauteile ist möglich. As a result, the mechanical properties do not change over the period of use due to the formation of the Z phase. Instead, the parameters are much straighter by Ausbil ¬ dung the Z phase. A design of the components is possible.
1. Ausführungsbeispiel (in Gew.-% 1st embodiment (in% by weight)
Kohlenstoff (C) : 0,1%  Carbon (C): 0.1%
Silizium (Si) : 0,06%  Silicon (Si): 0.06%
Mangan (Mn) : 0,1%  Manganese (Mn): 0.1%
Chrom (Cr) : 10%  Chrome (Cr): 10%
Molybdän (Mo) : 0,7%  Molybdenum (Mo): 0.7%
Wolfram (W) : 2%  Tungsten (W): 2%
Kobalt (Co) : 3%  Cobalt (Co): 3%
Nickel (Ni) : 0,17%  Nickel (Ni): 0.17%
Kupfer (Cu) : 1,75%  Copper (Cu): 1.75%
Bor (B) : 0,008%  Boron (B): 0.008%
Stickstoff (N) : 0,003%  Nitrogen (N): 0.003%
Titan (Ti) : 0,01%  Titanium (Ti): 0.01%
Vanadium (V) : 0,2%  Vanadium (V): 0.2%
Niob (Nb) : 0,05%  Niobium (Nb): 0.05%
Rest Eisen  Rest iron
2. Ausführungsbeispiel (Gew.-%) 2nd embodiment (% by weight)
Kohlenstoff (C) : 0,1%  Carbon (C): 0.1%
Silizium (Si) : 0,06%  Silicon (Si): 0.06%
Mangan (Mn) : 0,1%  Manganese (Mn): 0.1%
Chrom (Cr) : 10%  Chrome (Cr): 10%
Molybdän (Mo) : 0,7%  Molybdenum (Mo): 0.7%
Wolfram (W) : 2%  Tungsten (W): 2%
Kobalt (Co) : 3%  Cobalt (Co): 3%
Nickel (Ni) : 0,17%  Nickel (Ni): 0.17%
Bor (B) : 0,008% Stickstoff (N) : 0, 008 Boron (B): 0.008% Nitrogen (N): 0, 008
Titan (Ti) : 0, 025  Titanium (Ti): 0, 025
Aluminium (AI) 0,07%  Aluminum (AI) 0.07%
Vanadium (V) : 0,2%  Vanadium (V): 0.2%
Niob (Nb) : 0, 05%  Niobium (Nb): 0, 05%
Rest Eisen. Rest iron.
Neben der Anwendung als Schmiedescheibe m der Gasturbine sind weitere Anwendungen denkbar, wie z.B. Gasturbinenver dichterschaufeln, Dampfturbinenschaufel oder als Dampf- turbinenschmiedeteil . Besides the use as a forging disc m of the gas turbine, further applications are conceivable, such as e.g. Gasturbineverdichterschaufeln, steam turbine blade or steam turbine forging.
Die Vorteile sind: The advantages are:
Erweiterung des Einsatzbereiches „preiswerter" Eisenbasislegierungen im Vergleich zu „teuren Nickelbasiswerkstoffen" , schnellere Bearbeitbarkeit der Rotorbauteile auf Eisen¬ basis (9% - 11% Cr) im Vergleich zu Nickelbasiswerkstof fen, Extension of the application area "cheaper" iron-based alloys, in comparison with "expensive nickel-based materials," rapid processability of the rotor components on iron ¬ base (9% - 11% Cr) compared to Nickelbasiswerkstof fen,
Erfahrungen aus der Konstruktion, Fertigung und Herstellung der hochlegierten Eisenbasislegierungen können größtenteils übernommen werden; Das hilft z.B. bei allen probabilistischen Ansätzen (z.B. Bruchmechanik => minimiertes Risiko) , - Anwendungstemperatur kann erhöht werden und ermöglicht daher Leistungs- und Performancesteigerung der Maschine, ohne dass externe Kühlung notwendig ist. Experience in the design, manufacture and manufacture of high-alloy iron-based alloys can largely be assumed; This helps e.g. for all probabilistic approaches (e.g., fracture mechanics => minimized risk), application temperature can be increased, thus allowing performance and performance enhancement of the machine without the need for external cooling.

Claims

Patentansprüche claims
1. Legierung, 1. Alloy,
zumindest aufweisend (in Gew-%) :  at least (in% by weight):
Kohlenstoff (C) : 0,08 o  Carbon (C): 0.08 o
0 0,12%, vorzugsweise 0,10%, 0 0.12%, preferably 0.10%,
Silizium (Si) : 0,04 o Silicon (Si): 0.04 o
0 0,08%, vorzugsweise 0,06%, 0 0.08%, preferably 0.06%,
Mangan (Mn) : 0,08 o Manganese (Mn): 0.08 o
0 0,12%, vorzugsweise 0,10%, 0 0.12%, preferably 0.10%,
Chrom (Cr) : 9% - 11 %, vorzugsweise 10%, Chromium (Cr): 9% -11%, preferably 10%,
Molybdän (Mo) : 0,4% - 1,0%, vorzugsweise 0,7%,  Molybdenum (Mo): 0.4% - 1.0%, preferably 0.7%,
Wolfram (W) : 1, 6% - 2,4%, vorzugsweise 2,0%,  Tungsten (W): 1, 6% - 2.4%, preferably 2.0%,
Kobalt (Co) : 2 r 5"6 - 3,5%, vorzugsweise 3,0%, Cobalt (Co): 2r 5 "6 - 3.5%, preferably 3.0%,
Nickel (Ni) : 0,10 o  Nickel (Ni): 0.10 o
0 0,25%, vorzugsweise 0,17%, 0 0.25%, preferably 0.17%,
Bor (B) : 0,006% - 0,01%, vorzugsweise 0,008%,Boron (B): 0.006% -0.01%, preferably 0.008%,
Stickstoff (N) : 0, 002% - 0,01%, Nitrogen (N): 0, 002% - 0.01%,
Titan (Ti) : 0,00 8% - 0,03%,  Titanium (Ti): 0.00 8% - 0.03%,
Vanadium (V) : 0,15 o  Vanadium (V): 0.15 o
0 0,25%, vorzugsweise 0,20%, 0 0.25%, preferably 0.20%,
Niob (Nb) : 0,03 o Niobium (Nb): 0.03 o
0 0,07%, vorzugsweise 0,05%, optional  0 0.07%, preferably 0.05%, optional
Kupfer (Cu) : 1,25 o  Copper (Cu): 1.25 o
0 2,25%, vorzugsweise 1,75%, 0.25%, preferably 1.75%,
Aluminium (AI) : 0,04 o Aluminum (AI): 0.04 o
0 0,10%, insbesondere 0,07%, 0 0.10%, in particular 0.07%,
Rest Eisen (Fe) , Remainder iron (Fe),
insbesondere bestehend aus diesen Elementen.  in particular consisting of these elements.
Pulver, Powder,
aufweisend eine Legierung nach Anspruch  comprising an alloy according to claim
3. Bauteil oder Rohteil, 3. component or blank,
zumindest aufweisend eine Legierung nach Anspruch 1 oder hergestellt aus einem Pulver gemäß Anspruch 2.  at least comprising an alloy according to claim 1 or manufactured from a powder according to claim 2.
4. Legierung, Pulver oder Bauteil nach Anspruch 1, 2 oder 3, 4. alloy, powder or component according to claim 1, 2 or 3,
enthaltend Kupfer (Cu) . containing copper (Cu).
5. Legierung, Pulver oder Bauteil nach Anspruch 1, 2 oder 3 enthaltend kein Kupfer (Cu) . 5. An alloy, powder or component according to claim 1, 2 or 3 containing no copper (Cu).
6. Legierung, Pulver oder Bauteil nach einem oder mehreren der Ansprüche 1, 2, 3, 4 oder 5, 6. alloy, powder or component according to one or more of claims 1, 2, 3, 4 or 5,
enthaltend 0,001% - 0,004% Stickstoff (N) ,  containing 0.001% - 0.004% nitrogen (N),
insbesondere 0,003% Stickstoff (N) .  in particular 0.003% nitrogen (N).
7. Legierung, Pulver oder Bauteil nach einem oder mehreren der Ansprüche 1, 2, 3, 4 oder 5, 7. An alloy, powder or component according to one or more of claims 1, 2, 3, 4 or 5,
enthaltend 0,006% - 0,010% Stickstoff (N) ,  containing 0.006% - 0.010% nitrogen (N),
insbesondere 0,008% Stickstoff (N) .  especially 0.008% nitrogen (N).
8. Legierung, Pulver oder Bauteil nach einem oder mehreren der Ansprüche 1, 2, 3, 4, 5, 6 oder 7, 8. An alloy, powder or component according to one or more of claims 1, 2, 3, 4, 5, 6 or 7,
enthaltend 0,008% - 0,012% Titan (Ti) ,  containing 0.008% - 0.012% titanium (Ti),
insbesondere 0,010% Titan (Ti) .  in particular 0.010% titanium (Ti).
9. Legierung, Pulver oder Bauteil nach einem oder mehreren der Ansprüche 1, 2, 3, 4, 5, 6 oder 7, 9. alloy, powder or component according to one or more of claims 1, 2, 3, 4, 5, 6 or 7,
enthaltend 0,015% - 0,03% Titan (Ti) ,  containing 0.015% - 0.03% titanium (Ti),
insbesondere 0,025% Titan (Ti) .  especially 0.025% titanium (Ti).
10. Legierung, Pulver oder Bauteil nach einem oder mehreren der Ansprüche 1, 2, 3, 4, 5, 6, 7, 8 oder 9, 10. alloy, powder or component according to one or more of claims 1, 2, 3, 4, 5, 6, 7, 8 or 9,
enthaltend Aluminium (AI) .  containing aluminum (AI).
11. Legierung, Pulver oder Bauteil nach einem oder mehreren der Ansprüche 1, 2, 3, 4, 5, 6, 7, 8 oder 9, 11. An alloy, powder or component according to one or more of claims 1, 2, 3, 4, 5, 6, 7, 8 or 9,
enthaltend kein Aluminium (AI) .  containing no aluminum (AI).
PCT/EP2017/056363 2016-04-15 2017-03-17 Martensitic steel having a z-phase, powder and component WO2017178188A1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000248337A (en) * 1999-03-02 2000-09-12 Kansai Electric Power Co Inc:The Method for improving water vapor oxidation resistance of high chromium ferritic heat resistant steel for boiler and high chromium ferritic heat resistant steel for boiler excellent in water vapor oxidation resistance
US20050022529A1 (en) * 2003-07-30 2005-02-03 Kabushiki Kaisha Toshiba Steam turbine power plant
US20120160373A1 (en) * 2010-12-28 2012-06-28 The Japan Steel Works, Ltd. Forging heat resistant steel, manufacturing method thereof, forged parts and manufacturing method thereof
EP2471969A1 (en) * 2010-12-28 2012-07-04 Kabushiki Kaisha Toshiba Heat resistant cast steel. manufacturing method thereof, cast parts of steam turbine, and manufacturing method of cast parts of steam turbine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH369481A (en) * 1956-01-11 1963-05-31 Birmingham Small Arms Co Ltd Process for increasing the creep resistance of chrome steel
FR2456785A1 (en) * 1979-05-17 1980-12-12 Daido Steel Co Ltd DECOLLETING STEEL CONTAINING DETERMINED INCLUSIONS AND A PROCESS FOR THE PREPARATION THEREOF
EP1329531B8 (en) * 1997-09-22 2007-09-19 National Research Institute For Metals Ferritic heat-resistant steel and method for producing it

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000248337A (en) * 1999-03-02 2000-09-12 Kansai Electric Power Co Inc:The Method for improving water vapor oxidation resistance of high chromium ferritic heat resistant steel for boiler and high chromium ferritic heat resistant steel for boiler excellent in water vapor oxidation resistance
US20050022529A1 (en) * 2003-07-30 2005-02-03 Kabushiki Kaisha Toshiba Steam turbine power plant
US20120160373A1 (en) * 2010-12-28 2012-06-28 The Japan Steel Works, Ltd. Forging heat resistant steel, manufacturing method thereof, forged parts and manufacturing method thereof
EP2471969A1 (en) * 2010-12-28 2012-07-04 Kabushiki Kaisha Toshiba Heat resistant cast steel. manufacturing method thereof, cast parts of steam turbine, and manufacturing method of cast parts of steam turbine

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