EP4089197A4 - Chain steel for use in mine and manufacturing method therefor - Google Patents

Chain steel for use in mine and manufacturing method therefor Download PDF

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Publication number
EP4089197A4
EP4089197A4 EP21760437.0A EP21760437A EP4089197A4 EP 4089197 A4 EP4089197 A4 EP 4089197A4 EP 21760437 A EP21760437 A EP 21760437A EP 4089197 A4 EP4089197 A4 EP 4089197A4
Authority
EP
European Patent Office
Prior art keywords
mine
manufacturing
method therefor
chain steel
chain
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
Application number
EP21760437.0A
Other languages
German (de)
French (fr)
Other versions
EP4089197A1 (en
Inventor
Jiaqiang GAO
Sixin Zhao
Wei Wang
Jun Zhang
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.)
Baoshan Iron and Steel Co Ltd
Original Assignee
Baoshan Iron and Steel Co 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 Baoshan Iron and Steel Co Ltd filed Critical Baoshan Iron and Steel Co Ltd
Publication of EP4089197A1 publication Critical patent/EP4089197A1/en
Publication of EP4089197A4 publication Critical patent/EP4089197A4/en
Pending legal-status Critical Current

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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
    • C22C38/02—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
    • C22C38/44—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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0087—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for chains, for chain links
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J9/00—Forging presses
    • B21J9/02—Special design or construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21L—MAKING METAL CHAINS
    • B21L11/00—Making chains or chain links of special shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/10—Supplying or treating molten metal
    • B22D11/11—Treating the molten metal
    • B22D11/113—Treating the molten metal by vacuum treating
    • 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
    • C21D1/25—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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • 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
    • 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
    • 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
    • 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
    • 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
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • 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
    • C22C38/008—Ferrous alloys, e.g. steel alloys containing tin
    • 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
    • C22C38/18—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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • C21D2211/001—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
    • C21D2211/002—Bainite
    • 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

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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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
  • Gears, Cams (AREA)
  • Heat Treatment Of Articles (AREA)
EP21760437.0A 2020-02-28 2021-02-23 Chain steel for use in mine and manufacturing method therefor Pending EP4089197A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010129796.6A CN113322409B (en) 2020-02-28 2020-02-28 High-strength and high-toughness mining chain steel and manufacturing method thereof
PCT/CN2021/077430 WO2021169941A1 (en) 2020-02-28 2021-02-23 Chain steel for use in mine and manufacturing method therefor

Publications (2)

Publication Number Publication Date
EP4089197A1 EP4089197A1 (en) 2022-11-16
EP4089197A4 true EP4089197A4 (en) 2023-07-26

Family

ID=77412659

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21760437.0A Pending EP4089197A4 (en) 2020-02-28 2021-02-23 Chain steel for use in mine and manufacturing method therefor

Country Status (8)

Country Link
US (1) US20230235435A1 (en)
EP (1) EP4089197A4 (en)
JP (1) JP7497447B2 (en)
KR (1) KR20220129609A (en)
CN (1) CN113322409B (en)
BR (1) BR112022016824A2 (en)
MX (1) MX2022010591A (en)
WO (1) WO2021169941A1 (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
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CN112048665B (en) 2020-08-17 2022-03-22 莱芜钢铁集团银山型钢有限公司 Steel plate for polar region ocean engineering and preparation method thereof
CN113789474A (en) * 2021-09-14 2021-12-14 鞍钢股份有限公司 Economical seamless steel pipe for trenchless drill rod and manufacturing method thereof
CN113862568A (en) * 2021-09-23 2021-12-31 天津钢管制造有限公司 Seamless steel pipe for water drainage in coal mine exploration and manufacturing method
CN113957358B (en) * 2021-10-12 2022-11-01 北京科技大学 High-strength hot-formed steel substrate with tensile strength of more than 2200MPa and preparation method thereof
CN113957341A (en) * 2021-10-16 2022-01-21 宝鼎重工有限公司 Pump shell forging for furnace water circulating pump and manufacturing method
CN114032472B (en) * 2021-11-02 2023-02-07 西京学院 Cobalt-free maraging steel and strengthening and toughening treatment process thereof
CN114000034B (en) * 2021-11-02 2022-11-08 攀钢集团攀枝花钢铁研究院有限公司 Low-yield-ratio high-strength bainite steel rail and production method thereof
CN114592153A (en) * 2021-11-22 2022-06-07 宝山钢铁股份有限公司 High-strength steel with excellent weather resistance and manufacturing method thereof
CN114635081A (en) * 2022-02-11 2022-06-17 包头钢铁（集团）有限责任公司 Production method of high-quality round-link chain wire rod
CN114438420A (en) * 2022-02-23 2022-05-06 上海茵矩材料科技有限公司 Mooring chain steel and production process thereof, and mooring chain and production process thereof
CN114574762B (en) * 2022-03-04 2022-11-08 马鞍山钢铁股份有限公司 Steel for high-strength-toughness corrosion-resistant underwater Christmas tree valve body smelted under high scrap steel ratio, heat treatment method and production method thereof
CN114540716B (en) * 2022-03-04 2022-11-01 马鞍山钢铁股份有限公司 High-strength high-toughness long-service-life steel for valve body of underwater Christmas tree with wall thickness of more than or equal to 600mm, and heat treatment method and production method thereof
CN114959443B (en) * 2022-03-17 2023-09-12 宝山钢铁股份有限公司 Seawater corrosion resistant high-strength steel, round steel and manufacturing method thereof
CN114774630B (en) * 2022-04-21 2024-05-03 河南中原特钢装备制造有限公司 Low-cost low-alloy ultrahigh-strength steel and manufacturing method thereof
CN115233089B (en) * 2022-05-16 2023-04-28 季华实验室 Special steel for flexible gear and preparation process thereof
CN114875322A (en) * 2022-05-18 2022-08-09 湖南华菱涟钢特种新材料有限公司 Steel material and method for producing same
CN115125445B (en) * 2022-06-28 2023-08-11 宝山钢铁股份有限公司 High-strength steel with good toughness and manufacturing method thereof
CN114990450B (en) * 2022-06-30 2023-08-11 马鞍山钢铁股份有限公司 Wheel rim for high-wear-resistance elastic wheel and heat treatment process thereof
CN115094204A (en) * 2022-07-18 2022-09-23 重庆齿轮箱有限责任公司 Heat treatment method of medium carbon alloy steel
CN115161439B (en) * 2022-07-20 2023-11-24 国家能源集团新疆能源有限责任公司 Method for manufacturing a chain and chain obtained by such a method
CN117467911A (en) * 2022-07-29 2024-01-30 宝山钢铁股份有限公司 Corrosion-resistant wear-resistant steel plate and manufacturing method thereof
CN115369319B (en) * 2022-08-05 2023-08-29 张家口三信同达机械制造有限公司 Weldable high-strength high-toughness wear-resistant material and heat treatment process thereof
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CN115838897A (en) * 2022-11-18 2023-03-24 莱芜钢铁集团银山型钢有限公司 Martensite wear-resistant corrosion-resistant steel pipe for 415 HB-level sediment conveying pipeline and preparation method thereof
KR20240100531A (en) * 2022-12-22 2024-07-02 주식회사 포스코 Steel plate and method for manufacturing the same
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102747303A (en) * 2012-06-29 2012-10-24 宝山钢铁股份有限公司 High-strength steel sheet with yield strength of 1100MPa and manufacturing method thereof
CN109136737A (en) * 2018-06-20 2019-01-04 宝山钢铁股份有限公司 A kind of tensile strength 1100MPa grades of ultra-high strength and toughness steel and its manufacturing method

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS526847B2 (en) * 1972-05-19 1977-02-25
GB9526079D0 (en) 1995-12-20 1996-02-21 Parsons Chain Co Ltd Alloy steel composition and chain products fabricated in such alloy steel
SE515623C2 (en) * 2000-02-14 2001-09-10 Ovako Steel Ab chains Steel
CN1219104C (en) * 2002-10-16 2005-09-14 天津航道勘察设计研究院 Abrasion resistant casting alloy for dredging tool and preparing method thereof
KR100823598B1 (en) * 2006-10-24 2008-04-21 주식회사 포스코 High carbon steel sheet superior in isotropy and manufacturing method thereof
CN101397636B (en) * 2007-09-25 2010-12-01 宝山钢铁股份有限公司 High toughness ring chain steel for mine and method for producing the same
JP5365216B2 (en) * 2008-01-31 2013-12-11 Ｊｆｅスチール株式会社 High-strength steel sheet and its manufacturing method
JP5235452B2 (en) * 2008-02-28 2013-07-10 新日鐵住金ステンレス株式会社 Martensitic stainless steel for loom parts with excellent corrosion resistance and wear resistance and method for producing the steel strip
CN102453841A (en) * 2010-10-22 2012-05-16 江阴兴澄特种钢铁有限公司 Steel used for sea oil extraction platform R4S grade mooring chain and its manufacture method
CN102534423B (en) * 2012-02-29 2016-01-20 宝山钢铁股份有限公司 High tensile steel plate and manufacture method thereof
CN102747299A (en) * 2012-07-23 2012-10-24 西华大学 High-performance bainite abrasion resistant steel for railway frog in alpine region and manufacture method
CN103276303A (en) 2013-06-07 2013-09-04 南京钢铁股份有限公司 High strength chain steel for mine, and preparation method thereof
KR20150002956A (en) * 2013-06-27 2015-01-08 현대제철 주식회사 Steel sheet for line pipe and method of manufacturing the same
KR101546154B1 (en) * 2013-10-30 2015-08-21 현대제철 주식회사 Oil tubular country goods and method of manufacturing the same
CN103667953B (en) * 2013-11-28 2016-09-28 江苏亚星锚链股份有限公司 A kind of low environment crack sensitivity ultra-high strength and toughness marine mooring chain steel and manufacture method thereof
JP6439248B2 (en) * 2013-12-18 2018-12-19 新日鐵住金株式会社 Medium / high carbon steel sheet with excellent punchability and method for producing the same
CN106854738A (en) * 2015-12-08 2017-06-16 重庆葛利兹模具技术有限公司上海分公司 A kind of easy cutting plastic mold steel and its heat treatment method
CN106521316B (en) * 2016-11-15 2018-08-07 江阴兴澄特种钢铁有限公司 Carbon and low-alloy round steel and its manufacturing method in a kind of fastener high-hardenability
CN108004469B (en) * 2017-12-08 2020-07-03 北京科技大学 Low-alloy high-toughness Q-P-T wear-resistant steel plate and preparation method thereof
JP7062973B2 (en) * 2018-01-26 2022-05-09 日本製鉄株式会社 Steel for mooring chains and mooring chains

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102747303A (en) * 2012-06-29 2012-10-24 宝山钢铁股份有限公司 High-strength steel sheet with yield strength of 1100MPa and manufacturing method thereof
CN109136737A (en) * 2018-06-20 2019-01-04 宝山钢铁股份有限公司 A kind of tensile strength 1100MPa grades of ultra-high strength and toughness steel and its manufacturing method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
AUTORENKOLLEKTIV: "Spurenelemente im Stahl - Moeglichkeiten zur Beeinflussung im Smelzbetrieb", SPURENELEMENTE IN STAEHLEN, VERLAG STAHLEISEN, DUESSELDORF, DE, 1 January 1985 (1985-01-01), pages 19 - 22, XP002433212 *

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