JP2022522092A - スーパーオーステナイト系材料 - Google Patents
スーパーオーステナイト系材料 Download PDFInfo
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- JP2022522092A JP2022522092A JP2021536111A JP2021536111A JP2022522092A JP 2022522092 A JP2022522092 A JP 2022522092A JP 2021536111 A JP2021536111 A JP 2021536111A JP 2021536111 A JP2021536111 A JP 2021536111A JP 2022522092 A JP2022522092 A JP 2022522092A
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- austenitic material
- super austenitic
- nitrogen
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- 239000000463 material Substances 0.000 title claims abstract description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 96
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 50
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 43
- 239000000956 alloy Substances 0.000 claims abstract description 43
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000011651 chromium Substances 0.000 claims abstract description 30
- 239000011572 manganese Substances 0.000 claims abstract description 28
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 21
- 239000010949 copper Substances 0.000 claims abstract description 21
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 21
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 19
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 17
- 239000010955 niobium Substances 0.000 claims abstract description 17
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 16
- 239000011733 molybdenum Substances 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000010936 titanium Substances 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 11
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 11
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000010941 cobalt Substances 0.000 claims abstract description 10
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 10
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 10
- 239000010703 silicon Substances 0.000 claims abstract description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 10
- 239000010937 tungsten Substances 0.000 claims abstract description 10
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052796 boron Inorganic materials 0.000 claims abstract description 8
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 8
- 239000011593 sulfur Substances 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract 7
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract 7
- 239000011574 phosphorus Substances 0.000 claims abstract 7
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 14
- 229910052758 niobium Inorganic materials 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005272 metallurgy Methods 0.000 claims description 3
- 238000005275 alloying Methods 0.000 claims description 2
- 238000000137 annealing Methods 0.000 claims description 2
- 238000003754 machining Methods 0.000 claims description 2
- 238000005266 casting Methods 0.000 claims 1
- 229910000734 martensite Inorganic materials 0.000 claims 1
- 229910001566 austenite Inorganic materials 0.000 abstract description 6
- 238000005260 corrosion Methods 0.000 description 28
- 230000007797 corrosion Effects 0.000 description 28
- 229910000831 Steel Inorganic materials 0.000 description 24
- 239000010959 steel Substances 0.000 description 24
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- GJPVPJBNBCITNZ-UHFFFAOYSA-N [N].[Mn].[Cr] Chemical compound [N].[Mn].[Cr] GJPVPJBNBCITNZ-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000008092 positive effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005482 strain hardening Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 3
- OGSYQYXYGXIQFH-UHFFFAOYSA-N chromium molybdenum nickel Chemical compound [Cr].[Ni].[Mo] OGSYQYXYGXIQFH-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000005204 segregation Methods 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000005298 paramagnetic effect Effects 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 229910000967 As alloy Inorganic materials 0.000 description 1
- 229910019932 CrNiMo Inorganic materials 0.000 description 1
- 229910001199 N alloy Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- JXMHJWIFEMFZDH-UHFFFAOYSA-N [Mn].[Mo].[Cr] Chemical compound [Mn].[Mo].[Cr] JXMHJWIFEMFZDH-UHFFFAOYSA-N 0.000 description 1
- MPQIMOMLTNCGNB-UHFFFAOYSA-N [N].[Mn].[Ni].[Cr] Chemical compound [N].[Mn].[Ni].[Cr] MPQIMOMLTNCGNB-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- SJKRCWUQJZIWQB-UHFFFAOYSA-N azane;chromium Chemical compound N.[Cr] SJKRCWUQJZIWQB-UHFFFAOYSA-N 0.000 description 1
- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000004836 empirical method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
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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
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- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
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- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
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- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
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- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0273—Final recrystallisation annealing
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- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
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- C22C38/00—Ferrous alloys, e.g. steel alloys
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- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
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- 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%
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- 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
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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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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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
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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Abstract
Description
MARCopt:40<%Cr+3.3×%Mo+20×%C+20×%N-0.5×%Mn
Claims (22)
- 以下の合金元素(値はすべて重量%)および不可避の不純物を有する合金からなるスーパーオーステナイト系材料。
元素
炭素(C) 0.01~0.50
ケイ素(Si) <0.5
マンガン(Mn) 0.1~5.0
リン(P) <0.05
硫黄(S) <0.005
鉄(Fe) 残余
クロム(Cr) 23.0~33.0
モリブデン(Mo) 2.0~5.0
ニッケル(Ni) 10.0~20.0
バナジウム(V) <0.5
タングステン(W) <0.5
銅(Cu) 0.50~5.0
コバルト(Co) <5.0
チタン(Ti) <0.1
アルミニウム(Al) <0.2
ニオブ(Nb) <0.1
ホウ素(B) <0.01
窒素(N) 0.40~0.90 - 前記合金は、以下の元素および不可避の不純物(値はすべて重量%)からなる請求項1に記載のスーパーオーステナイト系材料。
元素
炭素(C) 0.01~0.30
ケイ素(Si) <0.5
マンガン(Mn) 0.5~4.0
リン(P) <0.05
硫黄(S) <0.005
鉄(Fe) 残余
クロム(Cr) 24.0~30.0
モリブデン(Mo) 3.0~5.0
ニッケル(Ni) 14.0~19.0
バナジウム(V) <0.3
タングステン(W) <0.1
銅(Cu) 0.75~3.5
コバルト(Co) <0.5
チタン(Ti) <0.05
アルミニウム(Al) <0.1
ニオブ(Nb) <0.025
ホウ素(B) <0.005
窒素(N) 0.40~0.70 - 前記合金は、以下の元素および不可避の不純物(値はすべて重量%)からなる請求項1または2に記載のスーパーオーステナイト系材料。
元素
炭素(C) 0.01~0.10
ケイ素(Si) <0.5
マンガン(Mn) 1.0~4.0
リン(P) <0.05
硫黄(S) <0.005
鉄(Fe) 残余
クロム(Cr) 26.0~29.0
モリブデン(Mo) 3.5~4.5
ニッケル(Ni) 15.0~18.0
バナジウム(V) 検出レベル未満
タングステン(W) 検出レベル未満
銅(Cu) 1.0~2.0
コバルト(Co) 検出レベル未満
チタン(Ti) 検出レベル未満
アルミニウム(Al) <0.1
ニオブ(Nb) 検出レベル未満
ホウ素(B) <0.005
窒素(N) 0.45~0.60 - 溶融金属に二次冶金加工を施し、ブロック状に鋳造し、熱間成形し、任意で冷間成形し、必要であれば、さらなる機械加工を施すことによって生産される請求項1~3の何れか一項に記載のスーパーオーステナイト系材料。
- 降伏強度Rp0.2が500MPaを超える請求項1~4の何れか一項に記載のスーパーオーステナイト系材料。
- 室温における長手方向の切欠き棒衝撃値Avが300Jを超える請求項1~5の何れか一項に記載のスーパーオーステナイト系材料。
- 冷間変形の後、完全にオーステナイト系の、すなわち、変形によって誘導されるマルテンサイトを含まない請求項1~6の何れか一項に記載のスーパーオーステナイト系材料。
- マンガンの上限は3.0%、3.5%、4.0%、4.5%、または5.0%であり、下限は0.1%、0.5%、1.0%、2.0%、または2.5%である請求項1~7の何れか一項に記載のスーパーオーステナイト系材料。
- クロムの上限は28%、29%、29.8、または31.5%であり、下限は23.2%、24%、25%、または26%である請求項1~8の何れか一項に記載のスーパーオーステナイト系材料。
- モリブデンの上限は4.4、4.5、4.6、4.7、4.8、4.9、または5.0%であり、下限は2.05%、2.1%、2.2%、2.3%、2.4%、2.5%、3.0%、3.2%、3.3%、3.4%、または3.5%である請求項1~9の何れか一項に記載のスーパーオーステナイト系材料。
- ニッケルの上限は16.8%、17%、18%、または19%であり、下限は10.2%、11%、12%、13%、14%、または15%である請求項1~10の何れか一項に記載のスーパーオーステナイト系材料。
- 窒素の上限は0.60%、0.65%、0.70%、0.75%、0.80%、0.85%、または0.88%であり、下限は0.46%、0.50%、または0.55%である請求項1~11の何れか一項に記載のスーパーオーステナイト系材料。
- コバルトの存在量は、5%未満、1%未満、0.5%未満、0.4%未満、0.3%未満、0.2%未満、0.1%未満、または検出レベル未満である請求項1~12の何れか一項に記載のスーパーオーステナイト系材料。
- 銅の上限は5%、4.5%、4.0%、3.5%、3.0%、2.5%、または2%であり、下限は0.60%、0.70%、0.80%、0.90%、1.0%、または1.1%である請求項1~13の何れか一項に記載のスーパーオーステナイト系材料。
- タングステンの存在量は、0.5%未満、0.3%未満、0.2%未満、0.1%未満、または検出レベル未満である請求項1~14の何れか一項に記載のスーパーオーステナイト系材料。
- 請求項1~15の何れか一項に記載のスーパーオーステナイト系材料を生産するための方法であって、
前記合金は、以下の元素および不可避の不純物(値はすべて重量%)からなり、
溶融し、その後、二次冶金加工を施し、結果としての合金をブロック状に鋳造し、固化させ、直後に加熱し、熱間成形し、生成物に対して、特に追加の冷間成形およびそれに続く機械加工を施す、スーパーオーステナイト系材料を生産するための方法。
元素
炭素(C) 0.01~0.50
ケイ素(Si) <0.5
マンガン(Mn) 0.1~5.0
リン(P) <0.05
硫黄(S) <0.005
鉄(Fe) 残余
クロム(Cr) 23.0~33.0
モリブデン(Mo) 2.0~5.0
ニッケル(Ni) 10.0~20.0
バナジウム(V) <0.5
タングステン(W) <0.5
銅(Cu) 0.50~5.0
コバルト(Co) <5.0
チタン(Ti) <0.1
アルミニウム(Al) <0.2
ニオブ(Nb) <0.1
ホウ素(B) <0.01
窒素(N) 0.40~0.90 - 前記合金は、以下の元素および不可避の不純物(値はすべて重量%)からなる、請求項18に記載のスーパーオーステナイト系材料を生産するための方法。
元素
炭素(C) 0.01~0.30
ケイ素(Si) <0.5
マンガン(Mn) 0.5~4.0
リン(P) <0.05
硫黄(S) <0.005
鉄(Fe) 残余
クロム(Cr) 24.0~30.0
モリブデン(Mo) 3.0~5.0
ニッケル(Ni) 14.0~19.0
バナジウム(V) <0.3
タングステン(W) <0.1
銅(Cu) 0.75~3.5
コバルト(Co) <0.5
チタン(Ti) <0.05
アルミニウム(Al) <0.1
ニオブ(Nb) <0.025
ホウ素(B) <0.005
窒素(N) 0.40~0.70 - 前記合金は、以下の元素および不可避の不純物(値はすべて重量%)からなる、請求項16または17に記載のスーパーオーステナイト系材料を生産するための方法。
元素
炭素(C) 0.01~0.10
ケイ素(Si) <0.5
マンガン(Mn) 1.0~4.0
リン(P) <0.05
硫黄(S) <0.005
鉄(Fe) 残余
クロム(Cr) 26.0~29.0
モリブデン(Mo) 3.5~4.5
ニッケル(Ni) 15.0~18.0
バナジウム(V) 検出レベル未満
タングステン(W) 検出レベル未満
銅(Cu) 1.0~2.0
コバルト(Co) 検出レベル未満
チタン(Ti) 検出レベル未満
アルミニウム(Al) <0.1
ニオブ(Nb) 検出レベル未満
ホウ素(B) <0.005
窒素(N) 0.45~0.60 - 熱間変形をいくつかのサブ工程によって行なう、請求項16~18の何れか一項に記載のスーパーオーステナイト系材料を生産するための方法。
- 熱間変形サブ工程同士の間に、生成物を再加熱し、最後の熱間変形工程の後、溶体化焼鈍を必要に応じて行なう、請求項16~19の何れか一項に記載のスーパーオーステナイト系材料を生産するための方法。
- 最後の熱間変形工程および任意の溶体化焼鈍の後、冷間成形工程を実行することで、1000MPaを超える、特に2000MPaを超える引張強度Rmが得られるようにする、請求項16~20の何れか一項に記載のスーパーオーステナイト系材料を生産するための方法。
- 特に煙道ガス脱硫システムにおいて硫酸による腐蝕を被るシステムおよびシステム成分のために、特に請求項16~21の何れか一項に記載の方法によって生産される請求項1~15の何れか一項に記載の材料の使用。
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DE102018133255.6A DE102018133255A1 (de) | 2018-12-20 | 2018-12-20 | Superaustenitischer Werkstoff |
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CN115261718B (zh) * | 2022-03-28 | 2023-06-06 | 江西宝顺昌特种合金制造有限公司 | 一种超级奥氏体不锈钢s34565板材及其制备方法 |
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ES2957403T3 (es) | 2024-01-19 |
DE102018133255A1 (de) | 2020-06-25 |
EP3899063A1 (de) | 2021-10-27 |
US20240052469A2 (en) | 2024-02-15 |
CN113544295A (zh) | 2021-10-22 |
PL3899064T3 (pl) | 2023-11-20 |
JP2022514920A (ja) | 2022-02-16 |
EA202191412A1 (ru) | 2021-09-28 |
BR112021011844A2 (pt) | 2021-08-31 |
US20230332282A1 (en) | 2023-10-19 |
EP3899063B1 (de) | 2023-08-30 |
WO2020127788A1 (de) | 2020-06-25 |
WO2020127789A1 (de) | 2020-06-25 |
EP3899064C0 (de) | 2023-08-30 |
US20220145436A1 (en) | 2022-05-12 |
BR112021011844A8 (pt) | 2023-05-09 |
EP3899064A1 (de) | 2021-10-27 |
CA3122044A1 (en) | 2020-06-25 |
EP3899064B1 (de) | 2023-08-30 |
BR112021011849A2 (pt) | 2021-09-08 |
ES2956332T3 (es) | 2023-12-19 |
EP3899063C0 (de) | 2023-08-30 |
CA3124189A1 (en) | 2020-06-25 |
PL3899063T3 (pl) | 2023-12-04 |
EA202191413A1 (ru) | 2021-09-28 |
CA3124189C (en) | 2023-10-31 |
CN113544294A (zh) | 2021-10-22 |
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