KR102557520B1 - 후강판 및 그 제조 방법 - Google Patents

후강판 및 그 제조 방법 Download PDF

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Publication number: KR102557520B1
Authority: KR; South Korea
Prior art keywords: less; thick steel; steel sheet; bainite; pearlite
Prior art date: 2019-01-23

Application number

KR1020217022156A

Other languages

English (en)

Korean (ko)

Other versions

KR20210102409A (ko

Inventor

요시히로 효도

히토시 스에요시

도모유키 요코타

사토시 이기

유타카 와다

사토시 핫토리

Original Assignee

제이에프이 스틸 가부시키가이샤

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.)

2019-01-23

Filing date

2019-12-24

Publication date

2023-07-20

2019-12-24 Application filed by 제이에프이 스틸 가부시키가이샤 filed Critical 제이에프이 스틸 가부시키가이샤

2021-08-19 Publication of KR20210102409A publication Critical patent/KR20210102409A/ko

2023-07-20 Application granted granted Critical

2023-07-20 Publication of KR102557520B1 publication Critical patent/KR102557520B1/ko

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229910000831 Steel Inorganic materials 0.000 title claims abstract description 152
239000010959 steel Substances 0.000 title claims abstract description 152
238000000034 method Methods 0.000 title claims description 23
229910001563 bainite Inorganic materials 0.000 claims abstract description 49
229910001562 pearlite Inorganic materials 0.000 claims abstract description 47
239000013078 crystal Substances 0.000 claims abstract description 33
239000012535 impurity Substances 0.000 claims abstract description 6
238000001816 cooling Methods 0.000 claims description 78
238000004519 manufacturing process Methods 0.000 claims description 25
239000000463 material Substances 0.000 claims description 18
239000000203 mixture Substances 0.000 claims description 18
230000009467 reduction Effects 0.000 claims description 17
238000005098 hot rolling Methods 0.000 claims description 15
230000001186 cumulative effect Effects 0.000 claims description 14
238000010438 heat treatment Methods 0.000 claims description 10
235000019362 perlite Nutrition 0.000 claims description 4
239000010451 perlite Substances 0.000 claims description 4
229910052742 iron Inorganic materials 0.000 claims description 2
-1 further in mass% Substances 0.000 claims 1
238000005096 rolling process Methods 0.000 abstract description 22
230000000694 effects Effects 0.000 description 37
229910000859 α-Fe Inorganic materials 0.000 description 14
229910000734 martensite Inorganic materials 0.000 description 11
PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
238000012360 testing method Methods 0.000 description 10
229910001566 austenite Inorganic materials 0.000 description 8
230000015572 biosynthetic process Effects 0.000 description 8
230000007423 decrease Effects 0.000 description 8
229910052761 rare earth metal Inorganic materials 0.000 description 8
150000002910 rare earth metals Chemical class 0.000 description 8
238000005259 measurement Methods 0.000 description 5
230000008569 process Effects 0.000 description 5
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
230000002708 enhancing effect Effects 0.000 description 4
230000001771 impaired effect Effects 0.000 description 4
238000009864 tensile test Methods 0.000 description 4
238000007796 conventional method Methods 0.000 description 3
230000007797 corrosion Effects 0.000 description 3
238000005260 corrosion Methods 0.000 description 3
230000006866 deterioration Effects 0.000 description 3
238000011156 evaluation Methods 0.000 description 3
230000001965 increasing effect Effects 0.000 description 3
238000000879 optical micrograph Methods 0.000 description 3
230000008520 organization Effects 0.000 description 3
229920006395 saturated elastomer Polymers 0.000 description 3
238000003466 welding Methods 0.000 description 3
229910001567 cementite Inorganic materials 0.000 description 2
238000009661 fatigue test Methods 0.000 description 2
238000009863 impact test Methods 0.000 description 2
230000006872 improvement Effects 0.000 description 2
KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
229910052750 molybdenum Inorganic materials 0.000 description 2
239000002244 precipitate Substances 0.000 description 2
230000000644 propagated effect Effects 0.000 description 2
230000000171 quenching effect Effects 0.000 description 2
239000002994 raw material Substances 0.000 description 2
238000007670 refining Methods 0.000 description 2
230000009466 transformation Effects 0.000 description 2
RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
230000002159 abnormal effect Effects 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000009749 continuous casting Methods 0.000 description 1
229910052802 copper Inorganic materials 0.000 description 1
238000005336 cracking Methods 0.000 description 1
230000002542 deteriorative effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000009826 distribution Methods 0.000 description 1
238000010894 electron beam technology Methods 0.000 description 1
229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
239000004615 ingredient Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
238000005498 polishing Methods 0.000 description 1
230000001902 propagating effect Effects 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
238000001878 scanning electron micrograph Methods 0.000 description 1
239000006104 solid solution Substances 0.000 description 1
230000001629 suppression Effects 0.000 description 1

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Classifications

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- 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
- 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
- C21D8/0221—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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- 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
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- C22C—ALLOYS
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- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- 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
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- C22C—ALLOYS
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- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
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- C22C—ALLOYS
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- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
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- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C22C—ALLOYS
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- 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
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- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
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- C22C—ALLOYS
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- C22C—ALLOYS
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- C22C—ALLOYS
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- C22C—ALLOYS
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
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- 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
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- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with 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
- C22C38/40—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
- C22C38/18—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
- C21D2211/002—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
- C21D2211/009—Pearlite

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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)

KR1020217022156A 2019-01-23 2019-12-24 후강판 및 그 제조 방법 KR102557520B1 (ko)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2019009243		2019-01-23
JPJP-P-2019-009243		2019-01-23
PCT/JP2019/050700 WO2020153085A1 (ja)	2019-01-23	2019-12-24	厚鋼板およびその製造方法

Publications (2)

Publication Number	Publication Date
KR20210102409A KR20210102409A (ko)	2021-08-19
KR102557520B1 true KR102557520B1 (ko)	2023-07-20

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KR1020217022156A KR102557520B1 (ko)	2019-01-23	2019-12-24	후강판 및 그 제조 방법

Country Status (4)

Country	Link
JP (1)	JP6981546B2 (zh)
KR (1)	KR102557520B1 (zh)
CN (2)	CN113330125A (zh)
WO (1)	WO2020153085A1 (zh)

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Publication number	Priority date	Publication date	Assignee	Title
CN113528957A (zh) *	2021-06-30	2021-10-22	武汉钢铁有限公司	具有优良疲劳性能和耐腐蚀性能的高强度集装箱钢及其制造方法
JP7396512B2 (ja) *	2021-07-16	2023-12-12	Ｊｆｅスチール株式会社	厚鋼板および厚鋼板の製造方法

Citations (3)

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Publication number	Priority date	Publication date	Assignee	Title
JP2006002211A (ja) *	2004-06-17	2006-01-05	Nippon Steel Corp	溶接歪の少ない鋼板及びその製造方法
JP2015083712A (ja)	2013-09-20	2015-04-30	株式会社神戸製鋼所	疲労特性に優れた厚鋼板およびその製造方法
JP2015127444A (ja)	2013-12-27	2015-07-09	Ｊｆｅスチール株式会社	耐疲労き裂伝ぱ特性に優れた鋼材およびその製造方法並びに耐疲労き裂伝ぱ特性に優れた鋼材の判定方法

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JPS5680377A (en) *	1979-12-06	1981-07-01	Mitsubishi Electric Corp	Welding method of thin sheet
JP2785643B2 (ja)	1993-05-11	1998-08-13	住友金属工業株式会社	湿潤硫化水素環境で耐疲労亀裂進展特性に優れるタンカー用鋼板
JP2962134B2 (ja)	1994-03-09	1999-10-12	住友金属工業株式会社	疲労亀裂進展抑制効果を有する鋼板
JP3489243B2 (ja)	1995-02-16	2004-01-19	住友金属工業株式会社	フェライト・ベイナイト二相鋼
JPH11229077A (ja) *	1998-02-12	1999-08-24	Nippon Steel Corp	多層盛溶接部のｃｔｏｄ特性に優れた鋼板およびその製造方法
CN101289728B (zh) *	2007-04-20	2010-05-19	宝山钢铁股份有限公司	低屈强比可大线能量焊接高强高韧性钢板及其制造方法
CN102666884B (zh) *	2010-02-08	2013-07-31	新日铁住金株式会社	厚钢板的制造方法
CN108315653A (zh) *	2018-05-09	2018-07-24	舞阳钢铁有限责任公司	一种超厚超宽钢板及其正火热处理方法

2019
- 2019-12-24 KR KR1020217022156A patent/KR102557520B1/ko active IP Right Grant
- 2019-12-24 JP JP2020518831A patent/JP6981546B2/ja active Active
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