EP3859043A4 - ABRASION RESISTANT STEEL WITH EXCELLENT HARDNESS AND IMPACT RESISTANCE AND PROCESS FOR ITS MANUFACTURING - Google Patents
ABRASION RESISTANT STEEL WITH EXCELLENT HARDNESS AND IMPACT RESISTANCE AND PROCESS FOR ITS MANUFACTURING Download PDFInfo
- Publication number
- EP3859043A4 EP3859043A4 EP19866926.9A EP19866926A EP3859043A4 EP 3859043 A4 EP3859043 A4 EP 3859043A4 EP 19866926 A EP19866926 A EP 19866926A EP 3859043 A4 EP3859043 A4 EP 3859043A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- manufacturing
- method therefor
- resistant steel
- abrasion resistant
- impact toughness
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title 1
- 238000005299 abrasion Methods 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000010959 steel Substances 0.000 title 1
Classifications
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- 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
- 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
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- 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
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- 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
- C21D1/60—Aqueous agents
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- 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
-
- 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
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- 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
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous alloys
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
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- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
- C21D8/0263—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
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- 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
- C21D9/0081—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for slabs; for billets
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- 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
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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
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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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
- C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
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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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
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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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
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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
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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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
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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
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
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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
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
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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
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- 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
- C21D2211/002—Bainite
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- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180115164A KR102175570B1 (ko) | 2018-09-27 | 2018-09-27 | 우수한 경도와 충격인성을 갖는 내마모강 및 그 제조방법 |
PCT/KR2019/012325 WO2020067686A1 (ko) | 2018-09-27 | 2019-09-23 | 우수한 경도와 충격인성을 갖는 내마모강 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3859043A1 EP3859043A1 (en) | 2021-08-04 |
EP3859043A4 true EP3859043A4 (en) | 2021-10-27 |
Family
ID=69952162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19866926.9A Pending EP3859043A4 (en) | 2018-09-27 | 2019-09-23 | ABRASION RESISTANT STEEL WITH EXCELLENT HARDNESS AND IMPACT RESISTANCE AND PROCESS FOR ITS MANUFACTURING |
Country Status (7)
Country | Link |
---|---|
US (1) | US20220042152A1 (ko) |
EP (1) | EP3859043A4 (ko) |
JP (1) | JP7368461B2 (ko) |
KR (1) | KR102175570B1 (ko) |
CN (1) | CN112771194A (ko) |
CA (1) | CA3113056C (ko) |
WO (1) | WO2020067686A1 (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102498141B1 (ko) * | 2020-12-18 | 2023-02-08 | 주식회사 포스코 | 저온 충격인성이 우수한 고경도 방탄강 및 이의 제조방법 |
KR102498144B1 (ko) * | 2020-12-18 | 2023-02-08 | 주식회사 포스코 | 저온 충격인성이 우수한 고경도 방탄강 및 이의 제조방법 |
KR102498142B1 (ko) * | 2020-12-18 | 2023-02-08 | 주식회사 포스코 | 저온 충격인성이 우수한 고경도 방탄강 및 이의 제조방법 |
WO2023073406A1 (en) * | 2021-10-28 | 2023-05-04 | Arcelormittal | Hot rolled and steel sheet and a method of manufacturing thereof |
KR102474002B1 (ko) * | 2021-11-23 | 2022-12-05 | 대동중공업주식회사 | 내마모성 향상을 위해 하드페이싱 처리된 수평식 믹서의 리본스크류 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0841535A (ja) * | 1994-07-29 | 1996-02-13 | Nippon Steel Corp | 低温靱性に優れた高硬度耐摩耗鋼の製造方法 |
JP2011214120A (ja) * | 2010-04-02 | 2011-10-27 | Jfe Steel Corp | 低温焼戻脆化割れ性に優れた耐摩耗鋼板 |
KR20120071614A (ko) * | 2010-12-23 | 2012-07-03 | 주식회사 포스코 | 저온인성이 우수한 극후물 내마모용 후강판 및 그 제조방법 |
US20160010191A1 (en) * | 2013-03-28 | 2016-01-14 | Baoshan Iron & Steel Co., Ltd. | High-hardness low-alloy wear-resistant steel sheet and method of manufacturing the same |
US20160032432A1 (en) * | 2013-03-28 | 2016-02-04 | Baoshan Iron & Steel Co., Ltd. | High-performance low-alloy wear-resistant steel and method of manufacturing the same |
US20160208352A1 (en) * | 2013-08-30 | 2016-07-21 | Rautaruukki Oyj | A high-hardness hot-rolled steel product, and a method of manufacturing the same |
CN106498294A (zh) * | 2016-11-08 | 2017-03-15 | 东北大学 | 一种nm600高级别低合金耐磨钢及其应用 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61166954A (ja) | 1985-01-18 | 1986-07-28 | Sumitomo Metal Ind Ltd | 高靭性耐摩耗鋼 |
JPH11158579A (ja) * | 1997-11-26 | 1999-06-15 | Daido Steel Co Ltd | プラスチック成形金型用鋼 |
JP2002020837A (ja) * | 2000-07-06 | 2002-01-23 | Nkk Corp | 靭性に優れた耐摩耗鋼およびその製造方法 |
KR101271792B1 (ko) * | 2010-12-07 | 2013-06-07 | 주식회사 포스코 | 강도 및 충격인성이 우수한 강재 및 그 제조방법 |
KR101580749B1 (ko) * | 2011-07-27 | 2015-12-28 | 신닛테츠스미킨 카부시키카이샤 | 신장 플랜지성 및 정밀 펀칭성이 우수한 고강도 냉연 강판과 그 제조 방법 |
MX2015003379A (es) * | 2012-09-19 | 2015-06-05 | Jfe Steel Corp | Placa de acero resistente a la abrasion que tiene excelente tenacidad a baja temperatura y excelente resistencia al desgaste corrosivo. |
JP6007847B2 (ja) * | 2013-03-28 | 2016-10-12 | Jfeスチール株式会社 | 低温靭性を有する耐磨耗厚鋼板およびその製造方法 |
KR101696094B1 (ko) * | 2015-08-21 | 2017-01-13 | 주식회사 포스코 | 고 경도 강판 및 그 제조방법 |
JP6540764B2 (ja) * | 2016-09-16 | 2019-07-10 | Jfeスチール株式会社 | 耐摩耗鋼板およびその製造方法 |
KR101899687B1 (ko) * | 2016-12-22 | 2018-10-04 | 주식회사 포스코 | 고경도 내마모강 및 이의 제조방법 |
KR101899686B1 (ko) * | 2016-12-22 | 2018-10-04 | 주식회사 포스코 | 고경도 내마모강 및 이의 제조방법 |
CN108950422B (zh) * | 2017-05-26 | 2020-08-25 | 宝山钢铁股份有限公司 | 硬度550hb浆体疏浚管用耐磨蚀钢板及其生产方法 |
CN108950421B (zh) * | 2017-05-26 | 2020-08-25 | 宝山钢铁股份有限公司 | 硬度600hb浆体疏浚管用耐磨蚀钢板及其生产方法 |
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2018
- 2018-09-27 KR KR1020180115164A patent/KR102175570B1/ko active IP Right Grant
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2019
- 2019-09-23 JP JP2021516760A patent/JP7368461B2/ja active Active
- 2019-09-23 WO PCT/KR2019/012325 patent/WO2020067686A1/ko unknown
- 2019-09-23 CN CN201980063950.XA patent/CN112771194A/zh active Pending
- 2019-09-23 US US17/276,407 patent/US20220042152A1/en active Pending
- 2019-09-23 CA CA3113056A patent/CA3113056C/en active Active
- 2019-09-23 EP EP19866926.9A patent/EP3859043A4/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0841535A (ja) * | 1994-07-29 | 1996-02-13 | Nippon Steel Corp | 低温靱性に優れた高硬度耐摩耗鋼の製造方法 |
JP2011214120A (ja) * | 2010-04-02 | 2011-10-27 | Jfe Steel Corp | 低温焼戻脆化割れ性に優れた耐摩耗鋼板 |
KR20120071614A (ko) * | 2010-12-23 | 2012-07-03 | 주식회사 포스코 | 저온인성이 우수한 극후물 내마모용 후강판 및 그 제조방법 |
US20160010191A1 (en) * | 2013-03-28 | 2016-01-14 | Baoshan Iron & Steel Co., Ltd. | High-hardness low-alloy wear-resistant steel sheet and method of manufacturing the same |
US20160032432A1 (en) * | 2013-03-28 | 2016-02-04 | Baoshan Iron & Steel Co., Ltd. | High-performance low-alloy wear-resistant steel and method of manufacturing the same |
US20160208352A1 (en) * | 2013-08-30 | 2016-07-21 | Rautaruukki Oyj | A high-hardness hot-rolled steel product, and a method of manufacturing the same |
CN106498294A (zh) * | 2016-11-08 | 2017-03-15 | 东北大学 | 一种nm600高级别低合金耐磨钢及其应用 |
Also Published As
Publication number | Publication date |
---|---|
EP3859043A1 (en) | 2021-08-04 |
JP2022502570A (ja) | 2022-01-11 |
CA3113056A1 (en) | 2020-04-02 |
US20220042152A1 (en) | 2022-02-10 |
WO2020067686A1 (ko) | 2020-04-02 |
KR20200035712A (ko) | 2020-04-06 |
CN112771194A (zh) | 2021-05-07 |
JP7368461B2 (ja) | 2023-10-24 |
CA3113056C (en) | 2024-03-19 |
KR102175570B1 (ko) | 2020-11-06 |
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