CN101978088B - 钢、制造钢坯件的方法和制造钢组件的方法 - Google Patents

钢、制造钢坯件的方法和制造钢组件的方法 Download PDF

Info

Publication number
CN101978088B
CN101978088B CN200980109836.2A CN200980109836A CN101978088B CN 101978088 B CN101978088 B CN 101978088B CN 200980109836 A CN200980109836 A CN 200980109836A CN 101978088 B CN101978088 B CN 101978088B
Authority
CN
China
Prior art keywords
steel
blank
temperature
maximum
matrix
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN200980109836.2A
Other languages
English (en)
Chinese (zh)
Other versions
CN101978088A (zh
Inventor
斯塔芬·冈纳森
安娜·梅德维德瓦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Uddeholms AB
Original Assignee
Uddeholms AB
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 Uddeholms AB filed Critical Uddeholms AB
Publication of CN101978088A publication Critical patent/CN101978088A/zh
Application granted granted Critical
Publication of CN101978088B publication Critical patent/CN101978088B/zh
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C22C38/18—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
    • 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
    • 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
    • C21D6/02—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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/22—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for drills; for milling cutters; for machine cutting tools
    • 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
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • 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
    • C22C38/06—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
    • 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
    • C22C38/46—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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • C—CHEMISTRY; METALLURGY
    • 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
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49995—Shaping one-piece blank by removing material

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
CN200980109836.2A 2008-03-18 2009-03-17 钢、制造钢坯件的方法和制造钢组件的方法 Expired - Fee Related CN101978088B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE0800627A SE533283C2 (sv) 2008-03-18 2008-03-18 Stål, process för tillverkning av ett stålämne samt process för tillverkning av en detalj av stålet
SE0800627-2 2008-03-18
PCT/SE2009/050269 WO2009116933A1 (en) 2008-03-18 2009-03-17 Steel, process for the manufacture of a steel blank and process for the manufacture of a component of the steel

Publications (2)

Publication Number Publication Date
CN101978088A CN101978088A (zh) 2011-02-16
CN101978088B true CN101978088B (zh) 2014-09-24

Family

ID=41091153

Family Applications (1)

Application Number Title Priority Date Filing Date
CN200980109836.2A Expired - Fee Related CN101978088B (zh) 2008-03-18 2009-03-17 钢、制造钢坯件的方法和制造钢组件的方法

Country Status (17)

Country Link
US (1) US8562761B2 (enExample)
EP (1) EP2252717B1 (enExample)
JP (1) JP5618978B2 (enExample)
KR (1) KR101612087B1 (enExample)
CN (1) CN101978088B (enExample)
BR (1) BRPI0909133A2 (enExample)
CA (1) CA2716983C (enExample)
DK (1) DK2252717T3 (enExample)
ES (1) ES2554994T3 (enExample)
HU (1) HUE025779T2 (enExample)
IL (1) IL207870A (enExample)
PL (1) PL2252717T3 (enExample)
PT (1) PT2252717E (enExample)
RU (1) RU2496907C2 (enExample)
SE (1) SE533283C2 (enExample)
TW (1) TWI444484B (enExample)
WO (1) WO2009116933A1 (enExample)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5876701B2 (ja) * 2011-10-07 2016-03-02 Ｊｆｅ条鋼株式会社 ボルト刻印工具の強化方法及びボルト刻印工具
RU2532662C1 (ru) * 2013-09-18 2014-11-10 Российская Федерация, от имени которой выступает Министерство промышленности и торговли Российской Федерации (Минпромторг РФ) Сталь
JP2017507244A (ja) * 2014-01-16 2017-03-16 ウッデホルムス アーベーＵｄｄｅｈｏｌｍｓ Ａｂ ステンレス鋼およびステンレス鋼製切削工具本体
DK2896713T3 (en) 2014-01-16 2016-06-06 Uddeholms Ab Stainless steel and a cutting tool body made of stainless steel
RU2547978C1 (ru) * 2014-03-19 2015-04-10 Игорь Владимирович Доронин Способ термического улучшения инструмента
US10293798B2 (en) * 2014-03-24 2019-05-21 Ford Global Technologies, Llc Braking system with selective braking backup system
RU2553764C1 (ru) * 2014-03-31 2015-06-20 Государственное Научное Учреждение "Объединенный Институт Машиностроения Национальной Академии Наук Беларуси" Азотируемая сталь для зубчатых колес
CN104087856B (zh) * 2014-06-24 2016-04-27 宁国市正兴耐磨材料有限公司 一种球磨机衬板的制作方法
KR102235612B1 (ko) 2015-01-29 2021-04-02 삼성전자주식회사 일-함수 금속을 갖는 반도체 소자 및 그 형성 방법
DE102015224708A1 (de) * 2015-03-02 2016-09-08 Continental Teves Ag & Co. Ohg Steuergerät und Verfahren für ein Kraftfahrzeugbremssystem
JP6137428B2 (ja) * 2015-03-26 2017-05-31 日立金属株式会社 冷間工具およびその製造方法
CN104878301B (zh) * 2015-05-15 2017-05-03 河冶科技股份有限公司 喷射成形高速钢
RU2611250C1 (ru) * 2015-11-25 2017-02-21 федеральное государственное бюджетное образовательное учреждение высшего образования "Алтайский государственный технический университет им. И.И. Ползунова" (АлтГТУ) Инструментальная сталь
CN105499941A (zh) * 2015-12-22 2016-04-20 江苏保捷锻压有限公司 汽车主减速器从动齿轮锻件锻压工艺及锻件钢材料
KR20250048695A (ko) 2015-12-24 2025-04-10 로발마, 에쎄.아 구조, 기계 및 공구 용도를 위한 긴 내구성의 고성능 강
GB2546809B (en) * 2016-02-01 2018-05-09 Rolls Royce Plc Low cobalt hard facing alloy
GB2546808B (en) * 2016-02-01 2018-09-12 Rolls Royce Plc Low cobalt hard facing alloy
CN105950996A (zh) * 2016-06-20 2016-09-21 安徽省瑞杰锻造有限责任公司 盾构机刀圈材料工艺
CN106435389B (zh) * 2016-06-20 2018-10-12 中国神华能源股份有限公司 一种合金、液压支架连接头及其制备方法
TWI756226B (zh) 2016-06-30 2022-03-01 瑞典商伍德赫爾恩股份有限公司 用於工具架之鋼
CN106625903A (zh) * 2016-10-20 2017-05-10 合肥海宝节能科技有限公司 切刀的成型材料
MX2019010378A (es) 2017-03-01 2019-10-22 Ak Steel Properties Inc Acero endurecido por prensado con fuerza extremadamente alta y metodo para su produccion.
CN107419181A (zh) * 2017-07-15 2017-12-01 滁州凯旋模具制造有限公司 一种汽车零部件防开裂拉伸模
CN110724873A (zh) * 2018-07-17 2020-01-24 宝钢特钢有限公司 一种高耐磨模锻模具钢及其制造方法
CN109112265A (zh) * 2018-11-14 2019-01-01 江苏万达新能源科技股份有限公司 一种用于锂电池分切机的高速钢
CN111434466A (zh) * 2019-01-15 2020-07-21 米沃奇电动工具公司 驱动器刀片
JP2020132891A (ja) * 2019-02-12 2020-08-31 山陽特殊製鋼株式会社 熱伝導率に優れる金型用鋼
RU2750299C2 (ru) * 2019-10-10 2021-06-25 Акционерное общество "Научно-производственное объединение "Центральный научно-исследовательский институт технологии машиностроения", АО "НПО "ЦНИИТМАШ" Способ термической обработки отливки из высокопрочной износостойкой стали (варианты)
CN111500928B (zh) * 2020-04-26 2021-06-18 北京科技大学 一种低温高韧高温高强及高淬透性热模钢及制备技术
RU2746598C1 (ru) * 2020-05-12 2021-04-16 Открытое Акционерное Общество "Тяжпрессмаш" Хладостойкая высокопрочная сталь
CN114790530B (zh) * 2021-01-26 2024-03-08 宝山钢铁股份有限公司 一种高塑性超高强钢板及其制造方法
CN114318151B (zh) * 2021-12-30 2022-11-01 安徽华天机械股份有限公司 一种高强度汽车冷轧卷材分切刀片用钢材料及制备工艺
CN117448685B (zh) * 2023-11-08 2024-08-20 广州航海学院 一种耙齿齿冠用铸钢及其制备方法
CN117721377B (zh) * 2023-12-11 2024-08-27 中煤张家口煤矿机械有限责任公司 耐磨链轮材料
CN118773505B (zh) * 2024-06-28 2025-12-16 河北河钢材料技术研究院有限公司 一种真空感应炉冶炼含稀土齿条钢的方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165402A (en) * 1961-06-26 1965-01-12 Finkl & Sons Co Alloy steel and method of heat treatment therefor
US6478898B1 (en) * 1999-09-22 2002-11-12 Sumitomo Metal Industries, Ltd. Method of producing tool steels

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU116206A1 (ru) * 1958-06-03 1958-11-30 А.В. Ратнер Сталь перлитного Класса дл крепежа и арматуры энергоустановок
SU148089A1 (ru) * 1961-07-11 1961-11-30 К.Ф. Гуржиенко Низколегированна сталь
US3366471A (en) * 1963-11-12 1968-01-30 Republic Steel Corp High strength alloy steel compositions and process of producing high strength steel including hot-cold working
SU326241A1 (ru) 1969-10-23 1972-01-19 А. А. Астафьев, И. А. Борисов , С. С. Львова Конструкционная сталь
JPS5013809A (enExample) 1973-06-13 1975-02-13
US3912553A (en) * 1973-10-10 1975-10-14 Finkl & Sons Co Press forging die
JPS5426975B2 (enExample) * 1974-03-23 1979-09-07
JPS5456913A (en) * 1977-10-15 1979-05-08 Daido Steel Co Ltd Steel for hot rolling mold
JPS58123860A (ja) * 1982-01-18 1983-07-23 Daido Steel Co Ltd 熱間工具鋼
SU1122742A1 (ru) * 1983-09-19 1984-11-07 Предприятие П/Я Р-6762 Инструментальна сталь
JPH0796696B2 (ja) * 1987-02-17 1995-10-18 大同特殊鋼株式会社 合金工具鋼
JP2000001735A (ja) * 1998-06-18 2000-01-07 Japan Steel Works Ltd:The 高温強度および低温靱性に優れた低合金鋼
JP2001158937A (ja) 1999-09-22 2001-06-12 Sumitomo Metal Ind Ltd 熱間加工用工具鋼とその製造方法および熱間加工用工具の製造方法
JP4186340B2 (ja) * 1999-09-22 2008-11-26 住友金属工業株式会社 耐摩耗性に優れた熱間工具鋼
SE0200429D0 (sv) 2002-02-15 2002-02-15 Uddeholm Tooling Ab Stållegering och verktyg tillverkat av stållegeringen
JP4256311B2 (ja) * 2004-07-06 2009-04-22 株式会社日立製作所 蒸気タービン用ロータシャフト及び蒸気タービン並びに蒸気タービン発電プラント
SE529809C2 (sv) * 2006-04-06 2007-11-27 Uddeholm Tooling Ab Varmarbetsstål

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165402A (en) * 1961-06-26 1965-01-12 Finkl & Sons Co Alloy steel and method of heat treatment therefor
US6478898B1 (en) * 1999-09-22 2002-11-12 Sumitomo Metal Industries, Ltd. Method of producing tool steels

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2001-158937A 2001.06.12

Also Published As

Publication number Publication date
HK1148791A1 (en) 2011-09-16
CA2716983C (en) 2016-06-21
IL207870A0 (en) 2010-12-30
US20110000587A1 (en) 2011-01-06
SE533283C2 (sv) 2010-08-10
IL207870A (en) 2015-06-30
CA2716983A1 (en) 2009-09-24
SE0800627L (sv) 2009-09-19
HUE025779T2 (en) 2016-05-30
PT2252717E (pt) 2015-11-04
DK2252717T3 (en) 2015-10-05
KR101612087B1 (ko) 2016-04-12
EP2252717B1 (en) 2015-09-02
TWI444484B (zh) 2014-07-11
RU2010137812A (ru) 2012-04-27
TW200944599A (en) 2009-11-01
RU2496907C2 (ru) 2013-10-27
EP2252717A1 (en) 2010-11-24
PL2252717T3 (pl) 2016-01-29
JP2011517729A (ja) 2011-06-16
JP5618978B2 (ja) 2014-11-05
WO2009116933A9 (en) 2009-11-19
US8562761B2 (en) 2013-10-22
ES2554994T3 (es) 2015-12-28
KR20100132529A (ko) 2010-12-17
CN101978088A (zh) 2011-02-16
WO2009116933A1 (en) 2009-09-24
EP2252717A4 (en) 2014-10-01
BRPI0909133A2 (pt) 2019-02-26

Similar Documents

Publication Publication Date Title
CN101978088B (zh) 钢、制造钢坯件的方法和制造钢组件的方法
RU2425170C2 (ru) Легированная сталь, держатель или деталь держателя для инструмента для формования пластмасс, упрочненная закалкой заготовка для держателя или детали держателя, способ производства легированной стали
KR101333740B1 (ko) 분말 야금학적으로 제조된 스틸, 상기 스틸을 포함하는공구 및 상기 공구의 제조 방법
JP4516211B2 (ja) 熱間加工工具用の鋼材料
JP2010539325A (ja) マルテンサイト系ステンレス鋼、この鋼から作られる部品の製造方法及びこの方法で製造される部品
JP4056468B2 (ja) 冷間加工用鋼材
JP2017507244A (ja) ステンレス鋼およびステンレス鋼製切削工具本体
EP2154260B1 (en) Free-cutting alloy tool steel
JP2021011637A (ja) 冷間加工工具鋼
JP2001214238A (ja) 耐ヒートクラック性、耐摩耗性に優れる粉末熱間工具鋼および熱間金型
JP5597999B2 (ja) 被削性に優れた冷間工具鋼
TW574382B (en) Steel article
KR101711889B1 (ko) 내마모성이 우수한 냉간 가공용 합금 공구강
CN102770566A (zh) 具有出色的钻孔加工性和减少的加工应变的模具用钢及其制备方法
HK1148791B (en) Steel, process for the manufacture of a steel blank and process for the manufacture of a component of the steel
HK1192289A (en) Hot-work tool steel and a process for making a hot-work tool steel

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1148791

Country of ref document: HK

C14 Grant of patent or utility model
GR01 Patent grant
REG Reference to a national code

Ref country code: HK

Ref legal event code: GR

Ref document number: 1148791

Country of ref document: HK

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140924

Termination date: 20200317