JP2009120950A - 鍛造オーステナイト系ステンレス鋼合金部品及び製造方法 - Google Patents
鍛造オーステナイト系ステンレス鋼合金部品及び製造方法 Download PDFInfo
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- JP2009120950A JP2009120950A JP2008286350A JP2008286350A JP2009120950A JP 2009120950 A JP2009120950 A JP 2009120950A JP 2008286350 A JP2008286350 A JP 2008286350A JP 2008286350 A JP2008286350 A JP 2008286350A JP 2009120950 A JP2009120950 A JP 2009120950A
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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
- C22C38/48—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
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/004—Heat treatment of ferrous alloys containing Cr and Ni
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- 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
- C22C38/18—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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/06—Fluid supply conduits to nozzles or the like
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/004—Dispersions; Precipitations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/25—Manufacture essentially without removing material by forging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/171—Steel alloys
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Heat Treatment Of Steel (AREA)
- Forging (AREA)
Abstract
【解決手段】重量%で、18.0〜22.0%のクロム、8.0〜14.0%のニッケル、4.0〜7.0%のマンガン、0.4〜0.6%のケイ素、0.2以上〜1.0%以下の窒素、0.05以上〜0.075%以下の炭素、0.3%以下のモリブデン、1.0%以下のニオブ、0.2%以下のコバルト、4.5%以下のアルミニウム、0.1%以下のホウ素、0.1%以下のバナジウム、1.0%以下のタングステン、5.0%以下の銅、残部の鉄及び不可避的不純物を含有する合金。
【選択図】なし
Description
12 ブレード
14 シュラウド
16 ハンガー
18 ケーシング
Claims (10)
- 重量%で、
18.0〜22.0%のクロム、
8.0〜14.0%のニッケル、
4.0〜7.0%のマンガン、
0.4〜0.6%のケイ素、
0.2以上〜1.0%以下の窒素、
0.05以上〜0.075%以下の炭素、
0.3%以下のモリブデン、
1.0%以下のニオブ、
0.2%以下のコバルト、
4.5%以下のアルミニウム、
0.1%以下のホウ素、
0.1%以下のバナジウム、
1.0%以下のタングステン、
5.0%以下の銅、
残部の鉄及び不可避的不純物を含有する、
オーステナイト系ステンレス鋼合金で形成した鍛造部品(14)。 - 前記オーステナイト系ステンレス鋼合金が、19.0〜21.0%のクロム、8.0〜10.0%のニッケル、4.0〜6.0%のマンガン、0.4〜0.6%のケイ素、0.2以上〜0.6%以下の窒素、0.05以上〜0.075%以下の炭素、0.3%以下のモリブデン、0.5〜1.0%のニオブ、0.2%以下のコバルト、4.5%以下のアルミニウム、0.1%以下のホウ素、0.1%以下のバナジウム、1.0%以下のタングステン、5.0%以下の銅、残部の鉄及び不可避的不純物からなることを特徴とする、請求項1記載の鍛造部品(14)。
- 窒素が0.2〜0.6重量%の範囲で前記合金中に存在することを特徴とする、請求項1記載の鍛造部品(14)。
- 窒素が0.2〜0.4重量%の範囲で前記合金中に存在することを特徴とする、請求項1又は請求項2記載の鍛造部品(14)。
- ニオブが0.5〜1.0重量%の範囲で前記合金中に存在することを特徴とする、請求項1、請求項3及び請求項4のいずれか1項記載の鍛造部品(14)。
- ニオブがニオブ/炭素の比(重量%)を10/1以上とする量で前記合金中に存在することを特徴とする、請求項1乃至請求項5のいずれか1項記載の鍛造部品(14)。
- 前記部品(14)がガスタービンエンジン・シュラウドアセンブリ(10)の部品(14)であることを特徴とする、請求項1乃至請求項6のいずれか1項記載の鍛造部品(14)。
- 完全にオーステナイトであり、炭化ニオブなどの安定な炭化物を含有するが、δフェライトや偏析を含有しないミクロ組織を前記部品(14)が有することを特徴とする、請求項1乃至請求項7のいずれか1項記載の鍛造部品(14)。
- 前記合金の溶融物を製造し、
合金のインゴット又はビレットを形成し、
前記インゴット又はビレットを鍛造して鍛造部品(14)を形成し、
鍛造部品(14)を固溶化熱処理し、
その後鍛造部品(14)を焼入れする
工程を含む、請求項1乃至請求項8のいずれか1項記載の鍛造部品(14)の製造方法。 - 固溶化熱処理工程が約1070〜約1200℃の温度で行われ、焼入れ工程が、炭化ニオブなどの安定な炭化物を含有するが、δフェライトや偏析を含有しない完全なオーステナイトミクロ組織を形成するのに十分に急速であることを特徴とする、請求項9記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/937,591 US20090129967A1 (en) | 2007-11-09 | 2007-11-09 | Forged austenitic stainless steel alloy components and method therefor |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2009120950A true JP2009120950A (ja) | 2009-06-04 |
Family
ID=40380371
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008286350A Pending JP2009120950A (ja) | 2007-11-09 | 2008-11-07 | 鍛造オーステナイト系ステンレス鋼合金部品及び製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090129967A1 (ja) |
EP (1) | EP2058415A1 (ja) |
JP (1) | JP2009120950A (ja) |
KR (1) | KR20090048331A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107109604A (zh) * | 2014-12-26 | 2017-08-29 | Posco公司 | 燃料电池用奥氏体系不锈钢 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8484978B2 (en) * | 2009-11-12 | 2013-07-16 | General Electric Company | Fuel nozzle assembly that exhibits a frequency different from a natural operating frequency of a gas turbine engine and method of assembling the same |
DE102010053385A1 (de) * | 2010-12-03 | 2012-06-21 | Bayerische Motoren Werke Aktiengesellschaft | Austenitischer Stahl für die Wasserstofftechnik |
WO2014112988A1 (en) * | 2013-01-16 | 2014-07-24 | United Technologies Corporation | Heat shield for gas turbine engine gearbox |
FR3003271B1 (fr) * | 2013-03-13 | 2015-04-17 | Areva Np | Acier inoxydable pour forgeage a chaud et procede de forgeage a chaud utilisant cet acier |
US20150337419A1 (en) * | 2014-05-20 | 2015-11-26 | Crs Holdings Inc. | Austenitic Stainless Steel Alloy |
US9534281B2 (en) | 2014-07-31 | 2017-01-03 | Honeywell International Inc. | Turbocharger turbine housings formed from the stainless steel alloys, and methods for manufacturing the same |
US9896752B2 (en) | 2014-07-31 | 2018-02-20 | Honeywell International Inc. | Stainless steel alloys, turbocharger turbine housings formed from the stainless steel alloys, and methods for manufacturing the same |
US10316694B2 (en) | 2014-07-31 | 2019-06-11 | Garrett Transportation I Inc. | Stainless steel alloys, turbocharger turbine housings formed from the stainless steel alloys, and methods for manufacturing the same |
US10557358B2 (en) * | 2015-02-06 | 2020-02-11 | United Technologies Corporation | Gas turbine engine containment structures |
EP3390679B1 (en) | 2015-12-14 | 2022-07-13 | Swagelok Company | Highly alloyed stainless steel forgings made without solution anneal |
US20180340438A1 (en) * | 2017-05-01 | 2018-11-29 | General Electric Company | Turbine Nozzle-To-Shroud Interface |
US10927439B2 (en) * | 2018-05-30 | 2021-02-23 | Garrett Transportation I Inc | Stainless steel alloys, turbocharger components formed from the stainless steel alloys, and methods for manufacturing the same |
BR102018068426A2 (pt) * | 2018-09-12 | 2020-03-24 | Mahle Metal Leve S.A. | Válvula de alívio para um turbocompressor e processo para fabricação de válvula de alívio |
DE102018133255A1 (de) * | 2018-12-20 | 2020-06-25 | Voestalpine Böhler Edelstahl Gmbh & Co Kg | Superaustenitischer Werkstoff |
CN113388790B (zh) * | 2021-06-08 | 2022-11-25 | 常州腾飞特材科技有限公司 | 一种06Cr19Ni10N奥氏体不锈钢管及其生产工艺 |
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US20060266439A1 (en) * | 2002-07-15 | 2006-11-30 | Maziasz Philip J | Heat and corrosion resistant cast austenitic stainless steel alloy with improved high temperature strength |
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2007
- 2007-11-09 US US11/937,591 patent/US20090129967A1/en not_active Abandoned
-
2008
- 2008-10-30 EP EP08167894A patent/EP2058415A1/en not_active Withdrawn
- 2008-11-06 KR KR1020080109684A patent/KR20090048331A/ko not_active Application Discontinuation
- 2008-11-07 JP JP2008286350A patent/JP2009120950A/ja active Pending
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JPS6187852A (ja) * | 1984-10-05 | 1986-05-06 | Toshiba Corp | 耐熱オ−ステナイト鋳鋼 |
JP3396372B2 (ja) * | 1995-08-21 | 2003-04-14 | 三菱重工業株式会社 | 高温強度と溶接性に優れた低Crフェライト鋼 |
JP2002194511A (ja) * | 2000-12-14 | 2002-07-10 | Caterpillar Inc | 優れた高温強度及び延性を備える耐熱性及び耐腐食性ステンレス鋳鋼 |
US20060266439A1 (en) * | 2002-07-15 | 2006-11-30 | Maziasz Philip J | Heat and corrosion resistant cast austenitic stainless steel alloy with improved high temperature strength |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107109604A (zh) * | 2014-12-26 | 2017-08-29 | Posco公司 | 燃料电池用奥氏体系不锈钢 |
US10494707B2 (en) | 2014-12-26 | 2019-12-03 | Posco | Austenitic-based stainless steel for molten carbonate fuel cell |
Also Published As
Publication number | Publication date |
---|---|
US20090129967A1 (en) | 2009-05-21 |
EP2058415A1 (en) | 2009-05-13 |
KR20090048331A (ko) | 2009-05-13 |
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