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EP3037566A4 - Steel for mechanical structures which has excellent machinability - Google Patents

Steel for mechanical structures which has excellent machinability Download PDF

Info

Publication number
EP3037566A4
EP3037566A4 EP14838708.7A EP14838708A EP3037566A4 EP 3037566 A4 EP3037566 A4 EP 3037566A4 EP 14838708 A EP14838708 A EP 14838708A EP 3037566 A4 EP3037566 A4 EP 3037566A4
Authority
EP
European Patent Office
Prior art keywords
steel
mechanical structures
excellent machinability
machinability
structures
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.)
Withdrawn
Application number
EP14838708.7A
Other languages
German (de)
French (fr)
Other versions
EP3037566A1 (en
Inventor
Yuya Yamamoto
Katsuhiko Ozaki
Akihiro Matsugasako
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of EP3037566A1 publication Critical patent/EP3037566A1/en
Publication of EP3037566A4 publication Critical patent/EP3037566A4/en
Withdrawn legal-status Critical Current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
    • C22C38/18—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/01—Selection of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/02—Dies or mountings therefor
    • 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
    • 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
    • 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
    • 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
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • 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
    • C22C38/02—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
    • C22C38/08—Ferrous alloys, e.g. steel alloys containing 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
    • C22C38/12—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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
    • 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
    • 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
    • C21D2211/005—Ferrite
    • 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
    • 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
    • C21D2211/009—Pearlite
    • 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
    • C21D2261/00—Machining or cutting being involved

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 Steel (AREA)
EP14838708.7A 2013-08-22 2014-08-08 Steel for mechanical structures which has excellent machinability Withdrawn EP3037566A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013172546A JP2015040335A (en) 2013-08-22 2013-08-22 Steel for machine structural use excellent in machinability
PCT/JP2014/071081 WO2015025746A1 (en) 2013-08-22 2014-08-08 Steel for mechanical structures which has excellent machinability

Publications (2)

Publication Number Publication Date
EP3037566A1 EP3037566A1 (en) 2016-06-29
EP3037566A4 true EP3037566A4 (en) 2017-04-19

Family

ID=52483524

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14838708.7A Withdrawn EP3037566A4 (en) 2013-08-22 2014-08-08 Steel for mechanical structures which has excellent machinability

Country Status (6)

Country Link
US (1) US20160194741A1 (en)
EP (1) EP3037566A4 (en)
JP (1) JP2015040335A (en)
KR (1) KR20160030577A (en)
CN (1) CN105473750A (en)
WO (1) WO2015025746A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6433339B2 (en) 2015-03-02 2018-12-05 キヤノン株式会社 Information processing system, server device, control method, and program
CN110791709B (en) * 2019-11-11 2020-12-04 广东韶钢松山股份有限公司 Structural steel wire rod and method for improving cutting performance of structural steel wire rod

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1192860A (en) * 1997-09-22 1999-04-06 Natl Res Inst For Metals Steel having ultrafine ferritic structure
JP2000212686A (en) * 1999-01-19 2000-08-02 Kawasaki Steel Corp High tensile strength hot dip galvanized steel sheet excellent in workability and its production
JP2000239791A (en) * 1999-02-24 2000-09-05 Kawasaki Steel Corp Superfine-grained hot rolled steel plate excellent in impact resistance
JP2000345284A (en) * 1999-06-02 2000-12-12 Nippon Steel Corp Steel for structural purpose excellent in corrosion resistance and corrosion fatigue resistance and its production
US20050058567A1 (en) * 2000-02-10 2005-03-17 Sanyo Special Steel Co., Ltd. Lead-free steel for machine structural use with excellent machinability low strength anisotropy
KR20080057845A (en) * 2006-12-21 2008-06-25 주식회사 포스코 Hot-rolled steel sheet and pipe having superior characteristics of normalizing and method of manufacturing the same
KR20080060621A (en) * 2006-12-27 2008-07-02 주식회사 포스코 Manufacturing method of high carbon steel sheet superior in impact toughness

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6223970A (en) 1985-07-24 1987-01-31 Nippon Steel Corp Continuously cast low-carbon sulfur-lead free-cutting steel
JPH08283838A (en) * 1995-04-17 1996-10-29 Nippon Steel Corp Production of low yield ratio, high ductility steel excellent in strength, toughness and ductility
JPH09324212A (en) * 1996-06-07 1997-12-16 Kawasaki Steel Corp Production of hot rolled high carbon steel strip excellent in hardenability and cold workability
JP3809004B2 (en) * 1998-02-24 2006-08-16 新日本製鐵株式会社 Induction quenching steel with excellent high strength and low heat treatment strain characteristics and its manufacturing method
JP3524479B2 (en) 2000-08-31 2004-05-10 株式会社神戸製鋼所 Free-cutting steel for machine structures with excellent mechanical properties
JP3912308B2 (en) 2003-03-28 2007-05-09 住友金属工業株式会社 Steel for machine structure
JP5121282B2 (en) * 2007-04-03 2013-01-16 株式会社神戸製鋼所 Steel for high-speed cold working and its manufacturing method, and high-speed cold-worked component and its manufacturing method
JP5706765B2 (en) * 2011-06-14 2015-04-22 株式会社神戸製鋼所 Induction hardening steel excellent in machinability and manufacturing method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1192860A (en) * 1997-09-22 1999-04-06 Natl Res Inst For Metals Steel having ultrafine ferritic structure
JP2000212686A (en) * 1999-01-19 2000-08-02 Kawasaki Steel Corp High tensile strength hot dip galvanized steel sheet excellent in workability and its production
JP2000239791A (en) * 1999-02-24 2000-09-05 Kawasaki Steel Corp Superfine-grained hot rolled steel plate excellent in impact resistance
JP2000345284A (en) * 1999-06-02 2000-12-12 Nippon Steel Corp Steel for structural purpose excellent in corrosion resistance and corrosion fatigue resistance and its production
US20050058567A1 (en) * 2000-02-10 2005-03-17 Sanyo Special Steel Co., Ltd. Lead-free steel for machine structural use with excellent machinability low strength anisotropy
KR20080057845A (en) * 2006-12-21 2008-06-25 주식회사 포스코 Hot-rolled steel sheet and pipe having superior characteristics of normalizing and method of manufacturing the same
KR20080060621A (en) * 2006-12-27 2008-07-02 주식회사 포스코 Manufacturing method of high carbon steel sheet superior in impact toughness

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015025746A1 *

Also Published As

Publication number Publication date
CN105473750A (en) 2016-04-06
EP3037566A1 (en) 2016-06-29
WO2015025746A1 (en) 2015-02-26
JP2015040335A (en) 2015-03-02
KR20160030577A (en) 2016-03-18
US20160194741A1 (en) 2016-07-07

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