EP2503015A4 - Stainless steel for molds having a lower delta-ferrite content - Google Patents

Stainless steel for molds having a lower delta-ferrite content

Info

Publication number
EP2503015A4
EP2503015A4 EP10830975.8A EP10830975A EP2503015A4 EP 2503015 A4 EP2503015 A4 EP 2503015A4 EP 10830975 A EP10830975 A EP 10830975A EP 2503015 A4 EP2503015 A4 EP 2503015A4
Authority
EP
European Patent Office
Prior art keywords
molds
stainless steel
ferrite content
lower delta
delta
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Withdrawn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
EP10830975.8A
Other languages
German (de)
French (fr)
Other versions
EP2503015A1 (en
Inventor
Celso Antonio Barbosa
Rafael Agnelli Mesquita
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.)
Villares Metals SA
Original Assignee
Villares Metals SA
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 Villares Metals SA filed Critical Villares Metals SA
Publication of EP2503015A1 publication Critical patent/EP2503015A1/en
Publication of EP2503015A4 publication Critical patent/EP2503015A4/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Withdrawn legal-status Critical Current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
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium 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
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • 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
    • 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
    • C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
    • C22C38/18—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
    • 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
    • C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Continuous Casting (AREA)
EP10830975.8A 2009-11-17 2010-11-10 Stainless steel for molds having a lower delta-ferrite content Withdrawn EP2503015A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BRPI0904608-9A2A BRPI0904608A2 (en) 2009-11-17 2009-11-17 stainless steel for molds with less delta ferrite
PCT/BR2010/000376 WO2011060517A1 (en) 2009-11-17 2010-11-10 Stainless steel for molds having a lower delta-ferrite content

Publications (2)

Publication Number Publication Date
EP2503015A1 EP2503015A1 (en) 2012-09-26
EP2503015A4 true EP2503015A4 (en) 2013-07-17

Family

ID=44059135

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10830975.8A Withdrawn EP2503015A4 (en) 2009-11-17 2010-11-10 Stainless steel for molds having a lower delta-ferrite content

Country Status (10)

Country Link
US (1) US20120315181A1 (en)
EP (1) EP2503015A4 (en)
JP (1) JP2013510952A (en)
KR (1) KR20120092674A (en)
CN (1) CN102859021A (en)
BR (1) BRPI0904608A2 (en)
CA (1) CA2781052A1 (en)
MX (1) MX2012005738A (en)
RU (1) RU2012125037A (en)
WO (1) WO2011060517A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101463315B1 (en) 2012-12-21 2014-11-18 주식회사 포스코 Stainless hot-rolled steel sheet with high hardness and low temperature impact toughness
US10157687B2 (en) 2012-12-28 2018-12-18 Terrapower, Llc Iron-based composition for fuel element
US9303295B2 (en) * 2012-12-28 2016-04-05 Terrapower, Llc Iron-based composition for fuel element
CN104250673B (en) * 2013-06-25 2016-06-29 江苏万恒铸业有限公司 A kind of smelting technology reducing nuclear grade stainless steel foundry goods ferrite content
KR102146475B1 (en) * 2019-01-08 2020-08-21 주식회사조흥기계 Method For Manufacturing Mold For Ice Bar
CN111560569A (en) * 2020-06-30 2020-08-21 潘少俊 High-toughness high-mirror-surface pre-hardened steel die steel and manufacturing process thereof
CN112481557A (en) * 2020-12-15 2021-03-12 浙江三门太和大型锻造有限公司 Die steel, preparation method thereof and mask die

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2027745A (en) * 1978-08-04 1980-02-27 Kawasaki Steel Co Martensitic stainless steel
JPH06184695A (en) * 1992-12-22 1994-07-05 Hitachi Ltd Steel for metal mold for plastic molding excellent in weldability and machinability
JP2002146488A (en) * 2000-08-31 2002-05-22 Kawasaki Steel Corp Martensitic stainless steel having excellent workability
US20030044305A1 (en) * 2000-10-12 2003-03-06 Atsushi Miyazaki Cr containing steel for welded structure
EP1314791A1 (en) * 2000-08-31 2003-05-28 Kawasaki Steel Corporation Low carbon martensitic stainless steel and method for production thereof
EP1840237A1 (en) * 2004-12-07 2007-10-03 Sumitomo Metal Industries, Ltd. Martensitic stainless steel pipe for oil well

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3767390A (en) * 1972-02-01 1973-10-23 Allegheny Ludlum Ind Inc Martensitic stainless steel for high temperature applications
US5089067A (en) * 1991-01-24 1992-02-18 Armco Inc. Martensitic stainless steel
US5496421A (en) * 1993-10-22 1996-03-05 Nkk Corporation High-strength martensitic stainless steel and method for making the same
US6045633A (en) 1997-05-16 2000-04-04 Edro Engineering, Inc. Steel holder block for plastic molding
AT409636B9 (en) 2001-02-14 2002-12-27 Boehler Edelstahl Gmbh & Co Kg STEEL FOR PLASTIC MOLDS AND METHOD FOR HEAT TREATING THE SAME
FR2872825B1 (en) * 2004-07-12 2007-04-27 Industeel Creusot MARTENSITIC STAINLESS STEEL FOR MOLDS AND CARCASES OF INJECTION MOLDS

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2027745A (en) * 1978-08-04 1980-02-27 Kawasaki Steel Co Martensitic stainless steel
JPH06184695A (en) * 1992-12-22 1994-07-05 Hitachi Ltd Steel for metal mold for plastic molding excellent in weldability and machinability
JP2002146488A (en) * 2000-08-31 2002-05-22 Kawasaki Steel Corp Martensitic stainless steel having excellent workability
EP1314791A1 (en) * 2000-08-31 2003-05-28 Kawasaki Steel Corporation Low carbon martensitic stainless steel and method for production thereof
US20030044305A1 (en) * 2000-10-12 2003-03-06 Atsushi Miyazaki Cr containing steel for welded structure
EP1840237A1 (en) * 2004-12-07 2007-10-03 Sumitomo Metal Industries, Ltd. Martensitic stainless steel pipe for oil well

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2011060517A1 *

Also Published As

Publication number Publication date
BRPI0904608A2 (en) 2013-07-02
MX2012005738A (en) 2012-06-13
US20120315181A1 (en) 2012-12-13
WO2011060517A8 (en) 2012-07-12
RU2012125037A (en) 2013-12-27
KR20120092674A (en) 2012-08-21
EP2503015A1 (en) 2012-09-26
JP2013510952A (en) 2013-03-28
CA2781052A1 (en) 2011-05-26
CN102859021A (en) 2013-01-02
WO2011060517A1 (en) 2011-05-26

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