JP4897126B2 - 厚鋼板の製造方法 - Google Patents

厚鋼板の製造方法 Download PDF

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Publication number: JP4897126B2
Authority: JP; Japan
Prior art keywords: less; toughness; temperature; slab; haz
Prior art date: 2010-05-27
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.): Active

Application number

JP2011543020A

Other languages

English (en)

Japanese (ja)

Other versions

JPWO2011148754A1 (ja

Inventor

浩幸白幡

龍治植森

明彦児島

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.)

Nippon Steel Corp

Original Assignee

Nippon Steel Corp

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.)

2010-05-27

Filing date

2011-04-21

Publication date

2012-03-14

2011-04-21 Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp

2011-04-21 Priority to JP2011543020A priority Critical patent/JP4897126B2/ja

2012-03-14 Application granted granted Critical

2012-03-14 Publication of JP4897126B2 publication Critical patent/JP4897126B2/ja

2013-07-25 Publication of JPWO2011148754A1 publication Critical patent/JPWO2011148754A1/ja

Status Active legal-status Critical Current

2031-04-21 Anticipated expiration legal-status Critical

Links

229910000831 Steel Inorganic materials 0.000 title claims description 53
239000010959 steel Substances 0.000 title claims description 53
238000004519 manufacturing process Methods 0.000 title claims description 18
238000001816 cooling Methods 0.000 claims description 43
238000005096 rolling process Methods 0.000 claims description 35
239000002344 surface layer Substances 0.000 claims description 30
238000010438 heat treatment Methods 0.000 claims description 28
150000004767 nitrides Chemical class 0.000 claims description 13
230000001186 cumulative effect Effects 0.000 claims description 12
230000009467 reduction Effects 0.000 claims description 12
239000012535 impurity Substances 0.000 claims description 3
239000000203 mixture Substances 0.000 claims description 3
238000003303 reheating Methods 0.000 claims 1
ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 48
239000000463 material Substances 0.000 description 31
238000000034 method Methods 0.000 description 23
238000003466 welding Methods 0.000 description 17
239000002245 particle Substances 0.000 description 15
229910052761 rare earth metal Inorganic materials 0.000 description 14
239000010953 base metal Substances 0.000 description 12
230000009466 transformation Effects 0.000 description 11
230000000694 effects Effects 0.000 description 10
238000005098 hot rolling Methods 0.000 description 10
238000009826 distribution Methods 0.000 description 9
238000005266 casting Methods 0.000 description 8
230000007423 decrease Effects 0.000 description 8
150000003568 thioethers Chemical class 0.000 description 7
229910045601 alloy Inorganic materials 0.000 description 6
239000000956 alloy Substances 0.000 description 6
230000000052 comparative effect Effects 0.000 description 6
238000001556 precipitation Methods 0.000 description 6
230000008569 process Effects 0.000 description 6
239000000126 substance Substances 0.000 description 6
UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 5
230000003247 decreasing effect Effects 0.000 description 5
238000001953 recrystallisation Methods 0.000 description 5
238000005728 strengthening Methods 0.000 description 5
230000015572 biosynthetic process Effects 0.000 description 4
229910052804 chromium Inorganic materials 0.000 description 4
229910052750 molybdenum Inorganic materials 0.000 description 4
229910052758 niobium Inorganic materials 0.000 description 4
230000007704 transition Effects 0.000 description 4
229910000859 α-Fe Inorganic materials 0.000 description 4
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
229910052791 calcium Inorganic materials 0.000 description 3
239000002131 composite material Substances 0.000 description 3
229910052802 copper Inorganic materials 0.000 description 3
238000005516 engineering process Methods 0.000 description 3
238000000605 extraction Methods 0.000 description 3
230000006872 improvement Effects 0.000 description 3
229910052748 manganese Inorganic materials 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
239000002244 precipitate Substances 0.000 description 3
238000005204 segregation Methods 0.000 description 3
239000006104 solid solution Substances 0.000 description 3
238000005496 tempering Methods 0.000 description 3
229910001566 austenite Inorganic materials 0.000 description 2
230000005540 biological transmission Effects 0.000 description 2
229910052796 boron Inorganic materials 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
229910001567 cementite Inorganic materials 0.000 description 2
239000013078 crystal Substances 0.000 description 2
230000007547 defect Effects 0.000 description 2
238000011156 evaluation Methods 0.000 description 2
238000009863 impact test Methods 0.000 description 2
KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 2
239000010410 layer Substances 0.000 description 2
229910052749 magnesium Inorganic materials 0.000 description 2
229910052698 phosphorus Inorganic materials 0.000 description 2
238000012545 processing Methods 0.000 description 2
238000007670 refining Methods 0.000 description 2
238000009864 tensile test Methods 0.000 description 2
229910052684 Cerium Inorganic materials 0.000 description 1
229910000746 Structural steel Inorganic materials 0.000 description 1
230000009471 action Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
230000033228 biological regulation Effects 0.000 description 1
230000015556 catabolic process Effects 0.000 description 1
239000011246 composite particle Substances 0.000 description 1
238000009749 continuous casting Methods 0.000 description 1
238000005336 cracking Methods 0.000 description 1
230000006378 damage Effects 0.000 description 1
238000006731 degradation reaction Methods 0.000 description 1
238000001739 density measurement Methods 0.000 description 1
230000001066 destructive effect Effects 0.000 description 1
238000011161 development Methods 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
230000001771 impaired effect Effects 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
229910052746 lanthanum Inorganic materials 0.000 description 1
239000000155 melt Substances 0.000 description 1
150000001247 metal acetylides Chemical class 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
-1 oxides Chemical class 0.000 description 1
230000002265 prevention Effects 0.000 description 1
150000002910 rare earth metals Chemical class 0.000 description 1
238000010583 slow cooling Methods 0.000 description 1
239000000243 solution Substances 0.000 description 1
230000001629 suppression Effects 0.000 description 1
238000012360 testing method Methods 0.000 description 1
230000000930 thermomechanical effect Effects 0.000 description 1
229910052720 vanadium Inorganic materials 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/059—Mould materials or platings
- 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
- 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
- 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
- C22C38/02—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
- C22C38/12—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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- 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
- C21D2211/004—Dispersions; Precipitations

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)
Metal Rolling (AREA)
Continuous Casting (AREA)

JP2011543020A 2010-05-27 2011-04-21 厚鋼板の製造方法 Active JP4897126B2 (ja)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
JP2011543020A JP4897126B2 (ja)	2010-05-27	2011-04-21	厚鋼板の製造方法

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
JP2010121871		2010-05-27
JP2010121871		2010-05-27
PCT/JP2011/060337 WO2011148754A1 (ja)	2010-05-27	2011-04-21	厚鋼板の製造方法
JP2011543020A JP4897126B2 (ja)	2010-05-27	2011-04-21	厚鋼板の製造方法

Publications (2)

Publication Number	Publication Date
JP4897126B2 true JP4897126B2 (ja)	2012-03-14
JPWO2011148754A1 JPWO2011148754A1 (ja)	2013-07-25

Family

ID=45003746

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2011543020A Active JP4897126B2 (ja)	2010-05-27	2011-04-21	厚鋼板の製造方法

Country Status (3)

Country	Link
JP (1)	JP4897126B2 (pt)
BR (1)	BR112012024297B1 (pt)
WO (1)	WO2011148754A1 (pt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR20200064510A (ko) *	2018-11-29	2020-06-08	주식회사 포스코	용접열영향부 인성이 우수한 강재 및 이의 제조방법
WO2023096398A1 (ko) *	2021-11-26	2023-06-01	주식회사 포스코	용접 열영향부 인성이 우수한 강재 및 그 제조방법

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JP5796379B2 (ja) *	2011-07-11	2015-10-21	Ｊｆｅスチール株式会社	大入熱溶接熱影響部のｃｔｏｄ特性に優れる溶接構造用鋼およびその製造方法
CN104024456B (zh) *	2011-12-27	2016-08-17	杰富意钢铁株式会社	脆性裂纹传播停止特性优良的结构用高强度厚钢板及其制造方法
JP6165088B2 (ja) *	2013-03-29	2017-07-19	株式会社神戸製鋼所	耐水素誘起割れ性と溶接熱影響部の靭性に優れた鋼板およびラインパイプ用鋼管
CN103627980B (zh) *	2013-11-25	2016-01-20	首钢总公司	低温大壁厚x80hd大变形管线钢及其生产方法
KR101758520B1 (ko) *	2015-12-23	2017-07-17	주식회사 포스코	열간 저항성이 우수한 고강도 구조용 강판 및 그 제조방법
KR102237486B1 (ko) *	2019-10-01	2021-04-08	주식회사 포스코	중심부 극저온 변형시효충격인성이 우수한 고강도 극후물 강재 및 그 제조방법
JP7099653B1 (ja) *	2020-11-05	2022-07-12	Ｊｆｅスチール株式会社	鋼板およびその製造方法
JP7243916B2 (ja) *	2020-11-05	2023-03-22	Ｊｆｅスチール株式会社	鋼板および鋼板の製造方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6220821A (ja) *	1985-07-17	1987-01-29	Nippon Steel Corp	高強度厚鋼板の製造法
JPH0853734A (ja) *	1994-08-10	1996-02-27	Nippon Steel Corp	大入熱溶接熱影響部靭性の優れた溶接用鋼材の製造方法
JP2001288512A (ja) *	2000-04-05	2001-10-19	Nippon Steel Corp	靱性と延性に優れた高張力鋼の製造方法
JP2008169468A (ja) *	2006-12-14	2008-07-24	Nippon Steel Corp	脆性き裂伝播停止性能に優れた高強度厚鋼板

2011
- 2011-04-21 JP JP2011543020A patent/JP4897126B2/ja active Active
- 2011-04-21 WO PCT/JP2011/060337 patent/WO2011148754A1/ja active Application Filing
- 2011-04-21 BR BR112012024297-0A patent/BR112012024297B1/pt active IP Right Grant

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6220821A (ja) *	1985-07-17	1987-01-29	Nippon Steel Corp	高強度厚鋼板の製造法
JPH0853734A (ja) *	1994-08-10	1996-02-27	Nippon Steel Corp	大入熱溶接熱影響部靭性の優れた溶接用鋼材の製造方法
JP2001288512A (ja) *	2000-04-05	2001-10-19	Nippon Steel Corp	靱性と延性に優れた高張力鋼の製造方法
JP2008169468A (ja) *	2006-12-14	2008-07-24	Nippon Steel Corp	脆性き裂伝播停止性能に優れた高強度厚鋼板

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR20200064510A (ko) *	2018-11-29	2020-06-08	주식회사 포스코	용접열영향부 인성이 우수한 강재 및 이의 제조방법
WO2020111874A3 (ko) *	2018-11-29	2020-08-06	주식회사 포스코	용접열영향부 인성이 우수한 강재 및 이의 제조방법
KR102209581B1 (ko) *	2018-11-29	2021-01-28	주식회사 포스코	용접열영향부 인성이 우수한 강재 및 이의 제조방법
CN113166884A (zh) *	2018-11-29	2021-07-23	株式会社Posco	焊接热影响区韧性优异的钢材及其制造方法
WO2023096398A1 (ko) *	2021-11-26	2023-06-01	주식회사 포스코	용접 열영향부 인성이 우수한 강재 및 그 제조방법

Also Published As

Publication number	Publication date
WO2011148754A1 (ja)	2011-12-01
BR112012024297A2 (pt)	2016-05-24
JPWO2011148754A1 (ja)	2013-07-25
BR112012024297B1 (pt)	2019-02-12

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