EP3556885A4 - HIGH-RESISTANCE TENSION WITH EXCEPTIONAL STRENGTH AND MANUFACTURING METHOD THEREFOR - Google Patents
HIGH-RESISTANCE TENSION WITH EXCEPTIONAL STRENGTH AND MANUFACTURING METHOD THEREFOR Download PDFInfo
- Publication number
- EP3556885A4 EP3556885A4 EP17881235.0A EP17881235A EP3556885A4 EP 3556885 A4 EP3556885 A4 EP 3556885A4 EP 17881235 A EP17881235 A EP 17881235A EP 3556885 A4 EP3556885 A4 EP 3556885A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- manufacturing
- wire rod
- method therefor
- impact toughness
- strength wire
- 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- Withdrawn
Links
Classifications
-
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
-
- 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
- C21D1/26—Methods of annealing
- C21D1/28—Normalising
-
- 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
- C21D6/001—Heat treatment of ferrous alloys containing 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
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
-
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5732—Continuous furnaces for strip or wire with cooling of wires; of rods
-
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/573—Continuous furnaces for strip or wire with cooling
- C21D9/5735—Details
-
- 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
- C22C38/06—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
- C22C38/08—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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C21D2211/005—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020160169308A KR101879068B1 (ko) | 2016-12-13 | 2016-12-13 | 충격인성이 우수한 고강도 선재 및 그 제조방법 |
PCT/KR2017/013391 WO2018110850A1 (ko) | 2016-12-13 | 2017-11-23 | 충격인성이 우수한 고강도 선재 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3556885A1 EP3556885A1 (en) | 2019-10-23 |
EP3556885A4 true EP3556885A4 (en) | 2019-10-30 |
Family
ID=62558832
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17881235.0A Withdrawn EP3556885A4 (en) | 2016-12-13 | 2017-11-23 | HIGH-RESISTANCE TENSION WITH EXCEPTIONAL STRENGTH AND MANUFACTURING METHOD THEREFOR |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200071792A1 (ko) |
EP (1) | EP3556885A4 (ko) |
JP (1) | JP6806905B2 (ko) |
KR (1) | KR101879068B1 (ko) |
CN (1) | CN110062813B (ko) |
WO (1) | WO2018110850A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102218441B1 (ko) * | 2019-10-08 | 2021-02-19 | 주식회사 포스코 | 비자성 고강도 선재 및 이의 제조방법 |
KR102321317B1 (ko) * | 2019-10-16 | 2021-11-02 | 주식회사 포스코 | 용접봉용 선재 및 이의 제조방법 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005054250A (ja) * | 2003-08-06 | 2005-03-03 | Kobe Steel Ltd | 母材靭性およびhaz靭性に優れた高張力鋼板 |
US20140290807A1 (en) * | 2011-02-24 | 2014-10-02 | Jfe Steel Corporation | Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same |
WO2016072679A1 (ko) * | 2014-11-03 | 2016-05-12 | 주식회사 포스코 | 강도와 충격 인성이 우수한 선재 및 그 제조방법 |
KR20160053776A (ko) * | 2014-11-03 | 2016-05-13 | 주식회사 포스코 | 강도와 충격 인성이 우수한 선재 및 그 제조방법 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61124524A (ja) * | 1984-11-22 | 1986-06-12 | Sumitomo Metal Ind Ltd | 鉄筋コンクリ−ト用棒鋼の製造方法 |
JPS62287012A (ja) * | 1986-06-03 | 1987-12-12 | Kobe Steel Ltd | 溶接性に優れた低温用鉄筋棒の製造法 |
KR100891866B1 (ko) * | 2002-12-20 | 2009-04-08 | 주식회사 포스코 | 표면탈탄이 적은 고실리콘 첨가 중탄소 선재의 제조방법 |
JP5176271B2 (ja) * | 2005-03-22 | 2013-04-03 | 新日鐵住金株式会社 | コーティング処理による加熱後の降伏強度の上昇を抑制した引張強さ760MPa以上のラインパイプ用高強度鋼板の製造方法およびそれを用いたラインパイプ用高強度鋼管の製造方法 |
JP5034290B2 (ja) * | 2006-03-28 | 2012-09-26 | Jfeスチール株式会社 | 低降伏比高強度厚鋼板およびその製造方法 |
KR101542676B1 (ko) * | 2011-04-13 | 2015-08-06 | 신닛테츠스미킨 카부시키카이샤 | 국부 변형능이 우수한 고강도 열연 강판과 그 제조 방법 |
EP2735622B1 (en) * | 2011-07-20 | 2019-09-04 | JFE Steel Corporation | Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same |
CN103060678B (zh) * | 2012-12-25 | 2016-04-27 | 钢铁研究总院 | 一种中温形变纳米奥氏体增强增塑钢及其制备方法 |
-
2016
- 2016-12-13 KR KR1020160169308A patent/KR101879068B1/ko active IP Right Grant
-
2017
- 2017-11-23 EP EP17881235.0A patent/EP3556885A4/en not_active Withdrawn
- 2017-11-23 US US16/468,115 patent/US20200071792A1/en not_active Abandoned
- 2017-11-23 WO PCT/KR2017/013391 patent/WO2018110850A1/ko unknown
- 2017-11-23 JP JP2019531080A patent/JP6806905B2/ja active Active
- 2017-11-23 CN CN201780076488.8A patent/CN110062813B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005054250A (ja) * | 2003-08-06 | 2005-03-03 | Kobe Steel Ltd | 母材靭性およびhaz靭性に優れた高張力鋼板 |
US20140290807A1 (en) * | 2011-02-24 | 2014-10-02 | Jfe Steel Corporation | Low-yield-ratio high-strength hot-rolled steel plate with excellent low-temperature toughness and process for producing same |
WO2016072679A1 (ko) * | 2014-11-03 | 2016-05-12 | 주식회사 포스코 | 강도와 충격 인성이 우수한 선재 및 그 제조방법 |
KR20160053776A (ko) * | 2014-11-03 | 2016-05-13 | 주식회사 포스코 | 강도와 충격 인성이 우수한 선재 및 그 제조방법 |
Non-Patent Citations (1)
Title |
---|
See also references of WO2018110850A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2018110850A1 (ko) | 2018-06-21 |
JP2020509169A (ja) | 2020-03-26 |
CN110062813A (zh) | 2019-07-26 |
KR20180067894A (ko) | 2018-06-21 |
JP6806905B2 (ja) | 2021-01-06 |
EP3556885A1 (en) | 2019-10-23 |
CN110062813B (zh) | 2021-05-04 |
US20200071792A1 (en) | 2020-03-05 |
KR101879068B1 (ko) | 2018-07-16 |
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Legal Events
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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Extension state: BA ME |
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A4 | Supplementary search report drawn up and despatched |
Effective date: 20190930 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21D 8/06 20060101ALI20190924BHEP Ipc: C22C 38/06 20060101ALI20190924BHEP Ipc: C22C 38/08 20060101ALI20190924BHEP Ipc: C22C 38/04 20060101AFI20190924BHEP Ipc: C21D 9/52 20060101ALI20190924BHEP Ipc: C22C 38/02 20060101ALI20190924BHEP Ipc: C22C 38/14 20060101ALI20190924BHEP |
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DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
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18W | Application withdrawn |
Effective date: 20200323 |