JP5844150B2 - 高使用温度において優れたクリープ強度および耐酸化性を有するフェライト鋼用の鋼合金 - Google Patents
高使用温度において優れたクリープ強度および耐酸化性を有するフェライト鋼用の鋼合金 Download PDFInfo
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- JP5844150B2 JP5844150B2 JP2011519034A JP2011519034A JP5844150B2 JP 5844150 B2 JP5844150 B2 JP 5844150B2 JP 2011519034 A JP2011519034 A JP 2011519034A JP 2011519034 A JP2011519034 A JP 2011519034A JP 5844150 B2 JP5844150 B2 JP 5844150B2
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- steel
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- 229910000831 Steel Inorganic materials 0.000 title claims description 28
- 239000010959 steel Substances 0.000 title claims description 28
- 229910000851 Alloy steel Inorganic materials 0.000 title claims description 17
- 230000003647 oxidation Effects 0.000 title description 7
- 238000007254 oxidation reaction Methods 0.000 title description 7
- 239000011651 chromium Substances 0.000 claims description 28
- 229910052759 nickel Inorganic materials 0.000 claims description 19
- 229910052804 chromium Inorganic materials 0.000 claims description 18
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 17
- 239000002244 precipitate Substances 0.000 claims description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 12
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 10
- 238000005260 corrosion Methods 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229910052726 zirconium Inorganic materials 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 229910052715 tantalum Inorganic materials 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 229910052758 niobium Inorganic materials 0.000 claims description 4
- 229910052720 vanadium Inorganic materials 0.000 claims description 4
- 229910001315 Tool steel Inorganic materials 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 229910052796 boron Inorganic materials 0.000 claims description 3
- 229910052735 hafnium Inorganic materials 0.000 claims description 3
- 229910052746 lanthanum Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 22
- 229910045601 alloy Inorganic materials 0.000 description 15
- 239000000956 alloy Substances 0.000 description 15
- 238000005275 alloying Methods 0.000 description 9
- 229910000859 α-Fe Inorganic materials 0.000 description 9
- 239000013078 crystal Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 150000001247 metal acetylides Chemical class 0.000 description 5
- 238000001556 precipitation Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910000734 martensite Inorganic materials 0.000 description 4
- 229910000943 NiAl Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 229910000765 intermetallic Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 229910015372 FeAl Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000004663 powder metallurgy Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910002515 CoAl Inorganic materials 0.000 description 1
- 229910002060 Fe-Cr-Al alloy Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000001995 intermetallic alloy Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910000953 kanthal Inorganic materials 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12014—All metal or with adjacent metals having metal particles
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Description
C≦1.0%
Si≦1.0%
Mn≦1.0%
Pが最大0.05%
Sが最大0.01%
2%≦Al≦12%
2%≦Cr<16%
2%≦Ni≦10%および/または
2%≦Co≦10%
であり、ただし、
2%≦Ni+Co≦15%および
0.11×[%Cr]+2.07×[%Al]≧0.95×([%Ni]+[%Co])
N:最大0.0200%
残部が溶解に関連する不純物を含む鉄
であり、
0.01%未満の総含有量の範囲内において、
−V、Ti、Ta、Zr、およびNbの1つまたはいくつかの元素が任意選択的に添加されており、
−MoおよびWの一方または両方の元素が任意選択的に添加されており、
−Hf、B、Se、Y、Te、Sb、La、およびZrの1つまたはいくつかの元素が任意選択的に添加されている化学組成を有しており、
鋼組織が、クロムによって安定化された(Ni、Co)Al−B2金属間化合物規則相に基づく均一に分布した整合析出物を含むことを条件とする鋼合金が提案されている。
2%Crの場合:8%超のAl
5%Crの場合:3%超のAl
15.9%Crの場合:2.5%超のAl
(ただし、Alの過剰な含有量は、Crの中間値について補間される。)
0.11×[%Cr]+2.07×[%Al]≧0.95%×([%Ni]+[%Co])
が維持されねばならない。
最大0.3%のV
最大0.1%のTi、
最大1.0%のTa、
最大0.05%のZr
最大0.2%のNb
(ただし、0.5%の最大総含有量が有利であることが示されている)
が有利であることが実証されている。
Claims (4)
- 620℃を超えて750℃までの使用温度において優れたクリープ強度および耐食性を有するフェライト鋼用の鋼合金であって、以下の化学組成(重量%)、すなわち、
0.02%≦C≦0.5%
Si≦0.4%
Mn≦0.5%
Pが最大0.05%
Sが最大0.01%
2%≦Al≦12%
2%≦Cr<16%
2%≦Ni≦5%および/または
2%≦Co≦10%
であり、ただし、
2%≦Ni+Co≦15%および
0.11×[%Cr]+2.07×[%Al]≧0.95×([%Ni]+[%Co])
Nが最大0.0200%
残部が鉄および不純物
であり、
V、Ti、Ta、Zr、およびNbの1つまたはいくつかの元素が任意選択的に添加され、
MoおよびWの一方または両方の元素が任意選択的に添加され、
任意選択的に合金化される前記添加元素が、以下の比率:
最大0.3%のV、
最大0.1%のTi、
最大1.0%のTa、
最大0.05%のZr、
最大0.2%のNb、
最大1.0%のMo、
最大2.0%のW
を有し、
0.1%未満の総含有量の範囲内において、Hf、B、Se、Y、Te、Sb、La、およびZrの1つまたはいくつかの元素が任意選択的に添加された化学組成を有しており、
前記鋼組織が、クロムによって安定化された(Ni、Co)Al−B2金属間化合物規則相に基づく均一に分布した整合析出物を含み、前記鋼内の前記B2相の最大比率が8モル%であることを条件とする鋼合金。 - 前記析出物の粒径が、平均で500nmよりも小さい請求項1に記載の鋼合金。
- 前記析出物の粒径が、平均で50nmよりも小さい請求項2に記載の鋼合金。
- 請求項1〜3のいずれか一項に記載の鋼合金から製造される、620℃を超えて750℃までの使用温度において優れたクリープ強度および耐食性を有する継目無鋼管または溶接鋼管、金属薄板、または鋳造によって製造される加工品または工具鋼。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008034817.1 | 2008-07-23 | ||
DE102008034817 | 2008-07-23 | ||
DE102009031576.4 | 2009-06-30 | ||
DE102009031576A DE102009031576A1 (de) | 2008-07-23 | 2009-06-30 | Stahllegierung für einen ferritischen Stahl mit ausgezeichneter Zeitstandfestigkeit und Oxidationsbeständigkeit bei erhöhten Einsatztemperaturen |
PCT/DE2009/000953 WO2010009700A1 (de) | 2008-07-23 | 2009-07-03 | Stahllegierung für einen ferritischen stahl mit ausgezeichneter zeitstandfestigkeit und oxidationsbeständigkeit bei erhöhten einsatztemperaturen |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2011528752A JP2011528752A (ja) | 2011-11-24 |
JP2011528752A5 JP2011528752A5 (ja) | 2014-06-26 |
JP5844150B2 true JP5844150B2 (ja) | 2016-01-13 |
Family
ID=41171102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011519034A Expired - Fee Related JP5844150B2 (ja) | 2008-07-23 | 2009-07-03 | 高使用温度において優れたクリープ強度および耐酸化性を有するフェライト鋼用の鋼合金 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9080230B2 (ja) |
EP (1) | EP2307586B1 (ja) |
JP (1) | JP5844150B2 (ja) |
CN (1) | CN102137948B (ja) |
AR (1) | AR072594A1 (ja) |
DE (1) | DE102009031576A1 (ja) |
WO (1) | WO2010009700A1 (ja) |
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CN104046891B (zh) * | 2013-03-13 | 2017-04-26 | 香港城市大学 | 纳米金属间化合物强化的超高强度铁素体钢及其制造方法 |
CN103352177B (zh) * | 2013-06-17 | 2015-12-23 | 浙江浦宁不锈钢有限公司 | 一种强度增强的钢材 |
CN103614654A (zh) * | 2013-10-22 | 2014-03-05 | 芜湖市鸿坤汽车零部件有限公司 | 一种用于发动机罩的合金钢材料及其制备方法 |
CN103667891A (zh) * | 2013-11-08 | 2014-03-26 | 张超 | 一种用于输送含氯根的混酸液体泵的合金钢材料及其制备方法 |
CN103643175A (zh) * | 2013-11-12 | 2014-03-19 | 铜陵市肆得科技有限责任公司 | 一种阀芯用合金钢材料及其制备方法 |
KR101595436B1 (ko) | 2014-09-23 | 2016-02-19 | 한국원자력연구원 | 다층구조 핵연료 피복관 및 이의 제조방법 |
CN104785775A (zh) * | 2015-04-21 | 2015-07-22 | 苏州统明机械有限公司 | 一种用于热喷涂的耐氧化合金钢粉末及其制备方法 |
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US10883160B2 (en) | 2018-02-23 | 2021-01-05 | Ut-Battelle, Llc | Corrosion and creep resistant high Cr FeCrAl alloys |
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KR102255111B1 (ko) * | 2019-07-31 | 2021-05-24 | 주식회사 포스코 | 내식성이 우수한 배기계용 페라이트계 강판 |
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-
2009
- 2009-06-30 DE DE102009031576A patent/DE102009031576A1/de not_active Withdrawn
- 2009-07-03 WO PCT/DE2009/000953 patent/WO2010009700A1/de active Application Filing
- 2009-07-03 JP JP2011519034A patent/JP5844150B2/ja not_active Expired - Fee Related
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EP2307586B1 (de) | 2018-10-10 |
US20110189496A1 (en) | 2011-08-04 |
JP2011528752A (ja) | 2011-11-24 |
AR072594A1 (es) | 2010-09-08 |
CN102137948A (zh) | 2011-07-27 |
CN102137948B (zh) | 2014-06-11 |
US9080230B2 (en) | 2015-07-14 |
EP2307586A1 (de) | 2011-04-13 |
DE102009031576A1 (de) | 2010-03-25 |
WO2010009700A1 (de) | 2010-01-28 |
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