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WO2024118030A3 - Low carbon bainitic steel for the machinery manufacturing industry - Google Patents

Low carbon bainitic steel for the machinery manufacturing industry Download PDF

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Publication number
WO2024118030A3
WO2024118030A3 PCT/TR2023/051378 TR2023051378W WO2024118030A3 WO 2024118030 A3 WO2024118030 A3 WO 2024118030A3 TR 2023051378 W TR2023051378 W TR 2023051378W WO 2024118030 A3 WO2024118030 A3 WO 2024118030A3
Authority
WO
WIPO (PCT)
Prior art keywords
manufacturing industry
machinery manufacturing
low carbon
bainitic steel
carbon bainitic
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.)
Ceased
Application number
PCT/TR2023/051378
Other languages
French (fr)
Other versions
WO2024118030A2 (en
Inventor
Bertan PARMAKSIZOĞLU
Bülent ÖZMEL
Mert ÜLKER
Arcan Fehmi DERİCİOĞLU
Original Assignee
Asi̇l Çeli̇k Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇
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
Priority claimed from TR2022/018004 external-priority patent/TR2022018004A2/en
Application filed by Asi̇l Çeli̇k Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ filed Critical Asi̇l Çeli̇k Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇
Priority to EP23855879.5A priority Critical patent/EP4627130A2/en
Publication of WO2024118030A2 publication Critical patent/WO2024118030A2/en
Publication of WO2024118030A3 publication Critical patent/WO2024118030A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • C22C38/02—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
    • C22C38/001—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
    • C22C38/04—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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C21D2211/002—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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)

Abstract

The invention relates to a new steel alloy that shows similar mechanical properties without heat treatment as the tempered 42CrMo4 steel alloy frequently preferred in the machinery manufacturing industry, and is also more economical and better weldable.
PCT/TR2023/051378 2022-11-28 2023-11-22 Low carbon bainitic steel for the machinery manufacturing industry Ceased WO2024118030A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP23855879.5A EP4627130A2 (en) 2022-11-28 2023-11-22 Low carbon bainitic steel for the machinery manufacturing industry

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2022/018004 TR2022018004A2 (en) 2022-11-28 LOW CARBON BARNITE STEEL FOR THE MACHINE MANUFACTURING INDUSTRY
TR2022018004 2022-11-28

Publications (2)

Publication Number Publication Date
WO2024118030A2 WO2024118030A2 (en) 2024-06-06
WO2024118030A3 true WO2024118030A3 (en) 2024-07-04

Family

ID=91325108

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2023/051378 Ceased WO2024118030A2 (en) 2022-11-28 2023-11-22 Low carbon bainitic steel for the machinery manufacturing industry

Country Status (1)

Country Link
WO (1) WO2024118030A2 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6162389A (en) * 1996-09-27 2000-12-19 Kawasaki Steel Corporation High-strength and high-toughness non heat-treated steel having excellent machinability
US20100080728A1 (en) * 2006-12-11 2010-04-01 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High-strength thin steel sheet
US20120288397A1 (en) * 2009-04-03 2012-11-15 Villares Metals S/A Bainitic steel for moulds
US20130008568A1 (en) * 2010-05-10 2013-01-10 Nippon Steel Corporation High-strength steel sheet and method for producing same
US20200157666A1 (en) * 2016-08-16 2020-05-21 Nippon Steel & Sumitomo Metal Corporation Hot press-formed part

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6162389A (en) * 1996-09-27 2000-12-19 Kawasaki Steel Corporation High-strength and high-toughness non heat-treated steel having excellent machinability
US20100080728A1 (en) * 2006-12-11 2010-04-01 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) High-strength thin steel sheet
US20120288397A1 (en) * 2009-04-03 2012-11-15 Villares Metals S/A Bainitic steel for moulds
US20130008568A1 (en) * 2010-05-10 2013-01-10 Nippon Steel Corporation High-strength steel sheet and method for producing same
US20200157666A1 (en) * 2016-08-16 2020-05-21 Nippon Steel & Sumitomo Metal Corporation Hot press-formed part

Also Published As

Publication number Publication date
WO2024118030A2 (en) 2024-06-06

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