BR112017006063A2 - aço inoxidável austenítico, resistente ao aquecimento, possuindo excelentes propriedades de fadiga térmica e componentes de exaustão feitos com o mesmo - Google Patents

aço inoxidável austenítico, resistente ao aquecimento, possuindo excelentes propriedades de fadiga térmica e componentes de exaustão feitos com o mesmo

Info

Publication number
BR112017006063A2
BR112017006063A2 BR112017006063A BR112017006063A BR112017006063A2 BR 112017006063 A2 BR112017006063 A2 BR 112017006063A2 BR 112017006063 A BR112017006063 A BR 112017006063A BR 112017006063 A BR112017006063 A BR 112017006063A BR 112017006063 A2 BR112017006063 A2 BR 112017006063A2
Authority
BR
Brazil
Prior art keywords
stainless steel
heat resistant
austenitic stainless
excellent thermal
thermal fatigue
Prior art date
Application number
BR112017006063A
Other languages
English (en)
Other versions
BR112017006063B1 (pt
Inventor
Kimura Hirofumi
HAYAKAWA Junji
Katsuragi Susumu
NAMITO Tomonori
Original Assignee
Hitachi Metals Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Metals Ltd filed Critical Hitachi Metals Ltd
Publication of BR112017006063A2 publication Critical patent/BR112017006063A2/pt
Publication of BR112017006063B1 publication Critical patent/BR112017006063B1/pt

Links

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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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
    • 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
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • 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
    • C22C38/18—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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Abstract

a presente invenção refere-se a um aço inoxidável austenítico resistente ao aquecimento que possui excelentes propriedades de fadiga térmica, caracterizado pelo fato de compreender em massa 0,3-0,6% de c, 0,5-3% de si, 0,5-2% de mn, 15-30% de cr, 6-30% de ni, 0,6-5% de nb, 0,01-0,5% de n, e 0,01-0,5% de s, c/n sendo 4-7 e o restante sendo fe e impurezas inevitáveis; e uma proporção a/b de índice a de formação de carboneto de cr para um índice b de formação de carboneto de nb sendo de 0,6 a 1,7, em que a e b são expressos pela fórmula (1) de a = 8,5c ? nb +0,05cr + 0,65 ni ? 5 e a fórmula (2) de b = 7,8nb.
BR112017006063-9A 2014-10-03 2015-10-05 Aço inoxidável austenítico, resistente ao aquecimento, possuindo excelentes propriedades de fadiga térmica e componentes de exaustão feitos com o mesmo BR112017006063B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014204840 2014-10-03
JP2014-204840 2014-10-03
PCT/JP2015/078228 WO2016052750A1 (ja) 2014-10-03 2015-10-05 熱疲労特性に優れたオーステナイト系耐熱鋳鋼及びそれからなる排気系部品

Publications (2)

Publication Number Publication Date
BR112017006063A2 true BR112017006063A2 (pt) 2017-12-19
BR112017006063B1 BR112017006063B1 (pt) 2021-06-01

Family

ID=55630770

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017006063-9A BR112017006063B1 (pt) 2014-10-03 2015-10-05 Aço inoxidável austenítico, resistente ao aquecimento, possuindo excelentes propriedades de fadiga térmica e componentes de exaustão feitos com o mesmo

Country Status (9)

Country Link
US (1) US10815555B2 (pt)
EP (1) EP3202939B1 (pt)
JP (1) JP6481692B2 (pt)
KR (1) KR102453685B1 (pt)
CN (1) CN107075633B (pt)
BR (1) BR112017006063B1 (pt)
CA (1) CA2963369C (pt)
MX (1) MX2017004302A (pt)
WO (1) WO2016052750A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018070900A (ja) * 2016-10-24 2018-05-10 トヨタ自動車株式会社 オーステナイト系耐熱鋳鋼
EP3589769B1 (en) * 2017-03-03 2021-09-22 Borgwarner Inc. Nickel and chrome based iron alloy having enhanced high temperature oxidation resistance
CN111542629A (zh) * 2017-12-28 2020-08-14 株式会社Ihi 耐热铸钢及增压器部件
CN114008230B (zh) * 2019-07-12 2022-08-23 日之出控股株式会社 奥氏体系耐热铸钢和排气系统部件
CN114393176A (zh) * 2022-02-17 2022-04-26 天津水泥工业设计研究院有限公司 一种低镍的全奥氏体耐热钢及其制备方法与应用

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5729562A (en) 1980-07-28 1982-02-17 Nippon Stainless Steel Co Ltd Heat resistant cast steel with excellent high temperature strength
JPH04350150A (ja) * 1990-12-11 1992-12-04 Toyota Motor Corp オーステナイト系耐熱鋳鋼
JP3486713B2 (ja) * 1998-02-25 2004-01-13 株式会社クボタ 可逆式熱間圧延機のファーネスコイラードラム鋳造用高温強度・耐熱疲労特性にすぐれた耐熱鋳鋼
JP3486714B2 (ja) 1998-09-25 2004-01-13 株式会社クボタ 可逆式熱間圧延機の保熱炉内コイラードラム鋳造用耐肌荒れ性等にすぐれた耐熱鋳鋼
JP2001262287A (ja) * 2000-03-22 2001-09-26 Nippon Steel Corp 表面品質に優れたオーステナイト系ステンレス鋼
CA2540315C (en) * 2003-10-20 2011-07-19 Kubota Corporation Heat-resistant cast steel excellent in aged ductility and creep rupture strength for hydrogen producing reaction tubes
JP4985941B2 (ja) 2004-04-19 2012-07-25 日立金属株式会社 高Ｃｒ高Ｎｉオーステナイト系耐熱鋳鋼及びそれからなる排気系部品
JP5227359B2 (ja) * 2010-04-07 2013-07-03 トヨタ自動車株式会社 オーステナイト系耐熱鋳鋼
JP6098637B2 (ja) * 2012-05-10 2017-03-22 日立金属株式会社 被削性に優れたオーステナイト系耐熱鋳鋼及びそれからなる排気系部品
JP2014210293A (ja) 2013-04-17 2014-11-13 日立ツール株式会社 オーステナイト系耐熱鋳鋼の切削方法
CN103834876B (zh) * 2014-02-28 2016-04-20 西峡县内燃机进排气管有限责任公司 一种奥氏体耐热铸钢排气歧管及其铸造工艺

Also Published As

Publication number Publication date
EP3202939A1 (en) 2017-08-09
JPWO2016052750A1 (ja) 2017-08-10
EP3202939A4 (en) 2018-04-11
EP3202939B1 (en) 2020-01-01
MX2017004302A (es) 2017-07-14
CN107075633B (zh) 2019-11-26
CA2963369C (en) 2022-05-17
US10815555B2 (en) 2020-10-27
JP6481692B2 (ja) 2019-03-13
KR20170063709A (ko) 2017-06-08
KR102453685B1 (ko) 2022-10-12
BR112017006063B1 (pt) 2021-06-01
WO2016052750A1 (ja) 2016-04-07
CA2963369A1 (en) 2016-04-07
CN107075633A (zh) 2017-08-18
US20170298489A1 (en) 2017-10-19

Similar Documents

Publication Publication Date Title
BR112017006063A2 (pt) aço inoxidável austenítico, resistente ao aquecimento, possuindo excelentes propriedades de fadiga térmica e componentes de exaustão feitos com o mesmo
BR102014005015A8 (pt) aço inoxidável martensítico-ferrítico, produto manufaturado, processo para a produção de peças ou barras forjadas ou laminadas de aço inoxidável martensítico-ferrítico e processo para a produção de tudo sem costura de aço inoxidável martensítico-ferrítico
SG11201805206PA (en) Austenitic heat resistant alloy and method for producing the same
MY195925A (en) Austenitic Stainless Steel Sheet for Gasket, And Gasket
MX2017002911A (es) Acero inoxidable a base de ferrita con alta resistencia a la corrosividad provocada por gas de escape y condensacion y altas propiedades de soldadura fuerte y metodo para fabricar el mismo.
MX2018009402A (es) Chapa de acero inoxidable ferritico que contiene nb laminada en caliente y metodo para producir la misma, y chapa de acero inoxidable ferritico que contiene nb laminada en frio y metodo para producir la misma.
SG11201810839TA (en) Austenitic stainless steel
BR112019005395A2 (pt) material de aço, tubo de aço de poço de petróleo e método para produzir material de aço
AR090306A1 (es) Acero inoxidable para pozo de petroleo y tubo de acero inoxidable para pozo de petroleo
SG11201901278XA (en) Austenitic stainless steel
MX2016006766A (es) Acero inoxidable martensitico, pieza hecha de este acero y procedimiento para su fabricacion.
BR112017025795A2 (pt) aço resistente à corrosão, método de produção do dito aço e uso do mesmo
MX2016002824A (es) Metodo de fabricacion de una tuberia de acero inoxidable de alta resistencia y una tuberia de acero inoxidable de alta resistencia.
BR112015030008A2 (pt) material de aço tratado termicamente e método de produção do mesmo
MX2017003732A (es) Acero para pernos y perno.
MX2016014667A (es) Acero inoxidable ferritico.
CO2017009718A2 (es) Hoja de acero para una lata y método para fabricarla
AR107741A1 (es) Material de acero y tubo de acero para pozo de petróleo
BR112017000567A2 (pt) produto de aço e método de fabricação do mesmo
MY182247A (en) Ferritic stainless steel sheet
MX2018003852A (es) Acero inoxidable ferritico.
MX2019000517A (es) Acero martensitico de alto contenido de cromo resistente al calor con alta resistencia a la ruptura por fluencia y resistencia a la oxidacion combinadas.
TW201614079A (en) Ferritic stainless steel and method for producing same
MX2016014668A (es) Acero inoxidable ferritico.
BR112018077232A2 (pt) aço de microliga e método para produção de dito aço

Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 05/10/2015, OBSERVADAS AS CONDICOES LEGAIS.