BR112022004010A2 - Aço para facas, aço para facas de martensita, faca, e método de produção de aço para facas de martensita - Google Patents

Aço para facas, aço para facas de martensita, faca, e método de produção de aço para facas de martensita

Info

Publication number
BR112022004010A2
BR112022004010A2 BR112022004010A BR112022004010A BR112022004010A2 BR 112022004010 A2 BR112022004010 A2 BR 112022004010A2 BR 112022004010 A BR112022004010 A BR 112022004010A BR 112022004010 A BR112022004010 A BR 112022004010A BR 112022004010 A2 BR112022004010 A2 BR 112022004010A2
Authority
BR
Brazil
Prior art keywords
knife
steel
martensite
knives
production method
Prior art date
Application number
BR112022004010A
Other languages
English (en)
Portuguese (pt)
Inventor
Kentaro Fukumoto
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 BR112022004010A2 publication Critical patent/BR112022004010A2/pt

Links

Classifications

    • 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
    • C21D9/18—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for knives, scythes, scissors, or like hand cutting tools
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/25—Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius, i.e. heat refining ("Vergüten")
    • 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
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • 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
    • C21D6/002—Heat treatment of ferrous alloys containing Cr
    • 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
    • C21D6/00—Heat treatment of ferrous alloys
    • C21D6/008—Heat treatment of ferrous alloys containing Si
    • 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
    • C21D6/02—Hardening by precipitation
    • 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
    • C21D6/04—Hardening by cooling below 0 degrees Celsius
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0236—Cold rolling
    • 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • 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
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
    • 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
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • 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
    • 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
    • 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
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatment Of Steel (AREA)
BR112022004010A 2019-09-06 2020-09-03 Aço para facas, aço para facas de martensita, faca, e método de produção de aço para facas de martensita BR112022004010A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019163378 2019-09-06
PCT/JP2020/033402 WO2021045143A1 (ja) 2019-09-06 2020-09-03 刃物用鋼、マルテンサイト系刃物用鋼、刃物、およびマルテンサイト系刃物用鋼の製造方法

Publications (1)

Publication Number Publication Date
BR112022004010A2 true BR112022004010A2 (pt) 2022-05-24

Family

ID=74853274

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022004010A BR112022004010A2 (pt) 2019-09-06 2020-09-03 Aço para facas, aço para facas de martensita, faca, e método de produção de aço para facas de martensita

Country Status (7)

Country Link
US (1) US20220340988A1 (https=)
EP (1) EP4026926A4 (https=)
JP (2) JP7707915B2 (https=)
KR (2) KR20220041904A (https=)
CN (1) CN114341384A (https=)
BR (1) BR112022004010A2 (https=)
WO (1) WO2021045143A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025120177A1 (en) * 2023-12-08 2025-06-12 Alleima Striptech Ab A martensitic steel, a steel strip and method for production thereof
WO2025197859A1 (ja) * 2024-03-19 2025-09-25 日本製鉄株式会社 マルテンサイト系快削ステンレス棒状鋼材及びその製造方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3469972A (en) * 1966-01-04 1969-09-30 Sandvikens Jernverks Ab Razor blades and similar thin elongated sharp-edged blades made of a chromium steel
GB1100340A (en) * 1966-09-22 1968-01-24 Sandvikens Jernverks Ab Improvements in or relating to razor blades
JPS5037005B2 (https=) * 1972-04-03 1975-11-29
JPS5611745B2 (https=) * 1973-10-03 1981-03-17
JPS6048582B2 (ja) 1977-03-18 1985-10-28 日立金属株式会社 熱処理硬さの高いステンレス剃刃用鋼
JPH0222444A (ja) * 1988-07-08 1990-01-25 Sanyo Special Steel Co Ltd 耐銹耐摩耗用鋼
JP3354163B2 (ja) 1991-08-05 2002-12-09 日立金属株式会社 ステンレスかみそり用鋼およびその製造方法
JPH0978199A (ja) * 1995-09-12 1997-03-25 Hitachi Metals Ltd 高硬度、高靭性冷間工具鋼
JPH1060596A (ja) * 1996-08-26 1998-03-03 Sanyo Special Steel Co Ltd 高硬度、高靱性冷間工具鋼
DE69801890T2 (de) * 1998-01-06 2002-03-28 Sanyo Special Steel Co., Ltd. Die Herstellung von einem Kaltarbeitswerkzeugstahl
JP2001172748A (ja) * 1999-12-16 2001-06-26 Daido Steel Co Ltd 熱処理により寸法調整した冷間工具およびその製造方法
JP2002212679A (ja) * 2001-01-10 2002-07-31 Daido Steel Co Ltd 刃物及びそれに用いるＦｅ系刃物用合金
JP3919076B2 (ja) * 2001-01-22 2007-05-23 日立金属株式会社 転がり軸受およびその製造方法
US6719854B2 (en) * 2001-01-22 2004-04-13 Hitachi Metals Ltd. Rolling Bearing
KR20090069608A (ko) * 2007-12-26 2009-07-01 주식회사 포스코 냉간 공구강 및 그 제조방법
JP5488973B2 (ja) * 2009-07-03 2014-05-14 日立金属株式会社 軟化抵抗に優れた高硬度鋼

Also Published As

Publication number Publication date
EP4026926A4 (en) 2023-09-27
JP7707915B2 (ja) 2025-07-15
EP4026926A1 (en) 2022-07-13
JP2025087923A (ja) 2025-06-10
KR20220041904A (ko) 2022-04-01
CN114341384A (zh) 2022-04-12
WO2021045143A1 (ja) 2021-03-11
JPWO2021045143A1 (https=) 2021-03-11
KR20250009573A (ko) 2025-01-17
US20220340988A1 (en) 2022-10-27

Similar Documents

Publication Publication Date Title
MX2014007572A (es) Tubo de acero sin costura de alta resistencia para usarse en pozos petroliferos que tiene excelente resistencia al agrietamiento bajo tension por sulfuros.
BRPI1008378A8 (pt) Aço para estabilizador de alta solidez para veículos, método para produzir um estabilizador de alta solidez para veículos e estabilizador de alta solidez para veículos
BR112014019065A8 (pt) Método para produção de um material de aço resistente com resistência à fratura por tensão de sulfeto
EP3690072A1 (en) Oil well pipe martensitic stainless seamless steel pipe and production method for same
BR112016012424A2 (pt) Folha de aço martensítico, diretamente obtida após laminação a frio, recozimento e resfriamento e método para produzir uma folha de aço martensítico laminada a frio e recozida
FI20195799A1 (fi) Hienojakoisen austeniittisen ruostumattoman teräksen valmistusmenetelmä
CY1106925T1 (el) Διαδικασια για την κατασκευη μιας ταινιας ή ενος τεμαχιου που κοβεται απο μια ταινια χαλυβα μαρτεγηρανσης ψυχρης ελασης
BR0209091A (pt) Processo para a produção de aços inoxidáveis com melhor resistência à corrosão
BR112017002189A2 (pt) método para produzir uma folha de aço, folha de aço e uso de uma folha de aço
JP2015025162A (ja) フェライト・パーライト型非調質鋼
BR112022001623A2 (pt) Placa de aço de alta resistência para um tubo de linha resistente a ácido, método de produção da mesma, e tubo de aço de alta resistência
JPH02236257A (ja) 高強度かつ耐食性、耐応力腐食割れ性の優れたマルテンサイト系ステンレス鋼およびその製造方法
BR112022004010A2 (pt) Aço para facas, aço para facas de martensita, faca, e método de produção de aço para facas de martensita
US4452649A (en) Motorcycle disc braking materials of a low carbon martensitic stainless steel
BR0200003A (pt) Aço para formas de material plástico e processo para o tratamento térmico das mesmas
BRPI0707772A2 (pt) material de anel de pistço para motor de combustço interna
MX2019009968A (es) Barra de acero sin tratamiento termico.
MX2020007992A (es) Lamina de acero laminada en caliente con alto contenido en carbono y metodo para la produccion de la misma.
BR112018067794A2 (pt) aço de liga leve contendo cu tendo excelente equilíbrio entre resistência e tenacidade à baixa temperatura e método para produzir o mesmo
US2516125A (en) Alloy steel
MX2021004914A (es) Acero para nitrocarburar y componente nitrocarburado y metodos de produccion del mismo.
JPH02217444A (ja) 耐食性，耐応力腐食割れ性の優れた高強度マルテンサイト系ステンレス鋼およびその製造方法
EP0205693B1 (en) Special steels and their method of preparation
US3108870A (en) High-strength age-hardenable stainless steel
JPWO2012117546A1 (ja) 高耐食性を有する８６２ＭＰａ級低Ｃ高Ｃｒ鋼管及びその製造方法

Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: PROTERIAL, LTD. (JP)

B25G Requested change of headquarter approved

Owner name: PROTERIAL, LTD. (JP)

B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]