JP7338792B2 - 鋼材およびその製造方法、タンクおよびその製造方法 - Google Patents

鋼材およびその製造方法、タンクおよびその製造方法 Download PDF

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Publication number: JP7338792B2
Authority: JP; Japan
Prior art keywords: less; steel material; temperature; steel; tank
Prior art date: 2021-02-08
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

JP2022527101A

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English (en)

Japanese (ja)

Other versions

JPWO2022168686A1 (ko

Inventor

大地泉

倫教石田

圭治植田

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.)

JFE Steel Corp

Original Assignee

JFE 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.)

2021-02-08

Filing date

2022-01-25

Publication date

2023-09-05

2022-01-25 Application filed by JFE Steel Corp filed Critical JFE Steel Corp

2022-08-11 Publication of JPWO2022168686A1 publication Critical patent/JPWO2022168686A1/ja

2023-09-05 Application granted granted Critical

2023-09-05 Publication of JP7338792B2 publication Critical patent/JP7338792B2/ja

Status Active legal-status Critical Current

2042-01-25 Anticipated expiration legal-status Critical

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229910000831 Steel Inorganic materials 0.000 title claims description 170
239000010959 steel Substances 0.000 title claims description 170
239000000463 material Substances 0.000 title claims description 122
238000004519 manufacturing process Methods 0.000 title claims description 34
238000010438 heat treatment Methods 0.000 claims description 68
239000013078 crystal Substances 0.000 claims description 32
238000000034 method Methods 0.000 claims description 27
238000005096 rolling process Methods 0.000 claims description 25
238000005098 hot rolling Methods 0.000 claims description 24
239000000203 mixture Substances 0.000 claims description 20
238000001816 cooling Methods 0.000 claims description 14
238000009863 impact test Methods 0.000 claims description 12
230000009467 reduction Effects 0.000 claims description 12
238000003466 welding Methods 0.000 claims description 11
239000000126 substance Substances 0.000 claims description 9
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
238000009826 distribution Methods 0.000 claims description 5
239000012535 impurity Substances 0.000 claims description 4
239000007787 solid Substances 0.000 claims description 4
229910002091 carbon monoxide Inorganic materials 0.000 claims description 3
239000002245 particle Substances 0.000 claims description 3
229910052742 iron Inorganic materials 0.000 claims description 2
238000005336 cracking Methods 0.000 description 13
150000001247 metal acetylides Chemical class 0.000 description 13
230000035882 stress Effects 0.000 description 13
229910001566 austenite Inorganic materials 0.000 description 12
230000007797 corrosion Effects 0.000 description 12
238000005260 corrosion Methods 0.000 description 12
230000000694 effects Effects 0.000 description 12
229910052758 niobium Inorganic materials 0.000 description 12
230000007423 decrease Effects 0.000 description 10
238000012360 testing method Methods 0.000 description 10
239000007789 gas Substances 0.000 description 8
229910052759 nickel Inorganic materials 0.000 description 8
229910052720 vanadium Inorganic materials 0.000 description 7
239000007788 liquid Substances 0.000 description 6
229910052750 molybdenum Inorganic materials 0.000 description 6
239000002994 raw material Substances 0.000 description 6
238000003860 storage Methods 0.000 description 6
230000015572 biosynthetic process Effects 0.000 description 5
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238000011156 evaluation Methods 0.000 description 5
238000007670 refining Methods 0.000 description 5
230000000087 stabilizing effect Effects 0.000 description 5
239000001307 helium Substances 0.000 description 4
229910052734 helium Inorganic materials 0.000 description 4
SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
238000002844 melting Methods 0.000 description 4
230000008018 melting Effects 0.000 description 4
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229910052739 hydrogen Inorganic materials 0.000 description 3
229910000746 Structural steel Inorganic materials 0.000 description 2
238000005275 alloying Methods 0.000 description 2
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
238000009835 boiling Methods 0.000 description 2
238000011109 contamination Methods 0.000 description 2
238000009749 continuous casting Methods 0.000 description 2
230000000593 degrading effect Effects 0.000 description 2
238000005530 etching Methods 0.000 description 2
239000001257 hydrogen Substances 0.000 description 2
125000004435 hydrogen atom Chemical class [H]* 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
238000011160 research Methods 0.000 description 2
239000002893 slag Substances 0.000 description 2
239000006104 solid solution Substances 0.000 description 2
239000000243 solution Substances 0.000 description 2
229910001220 stainless steel Inorganic materials 0.000 description 2
238000005728 strengthening Methods 0.000 description 2
230000008646 thermal stress Effects 0.000 description 2
229910052721 tungsten Inorganic materials 0.000 description 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
229910000838 Al alloy Inorganic materials 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
229910001257 Nb alloy Inorganic materials 0.000 description 1
229910001069 Ti alloy Inorganic materials 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
230000002411 adverse Effects 0.000 description 1
QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 description 1
238000005452 bending Methods 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000005540 biological transmission Effects 0.000 description 1
238000007664 blowing Methods 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
238000005266 casting Methods 0.000 description 1
230000008859 change Effects 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
229910052804 chromium Inorganic materials 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
-1 etc. Substances 0.000 description 1
230000035876 healing Effects 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000011835 investigation Methods 0.000 description 1
150000004767 nitrides Chemical class 0.000 description 1
230000003287 optical effect Effects 0.000 description 1
238000003672 processing method Methods 0.000 description 1
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238000010992 reflux Methods 0.000 description 1
230000000452 restraining effect Effects 0.000 description 1
239000010935 stainless steel Substances 0.000 description 1
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238000009864 tensile test Methods 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000009849 vacuum degassing Methods 0.000 description 1

Images

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
- C22C38/02—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
- C22C38/18—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
- 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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
- 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
- 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
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
- 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
- C21D6/002—Heat treatment of ferrous alloys containing Cr
- 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
- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
- 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
- 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
- C22C38/002—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
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
- 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
- C22C38/20—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium 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
- C22C38/44—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
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C3/00—Vessels not under pressure
- 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

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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)
General Engineering & Computer Science (AREA)
Heat Treatment Of Steel (AREA)

JP2022527101A 2021-02-08 2022-01-25 鋼材およびその製造方法、タンクおよびその製造方法 Active JP7338792B2 (ja)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
JP2021018056		2021-02-08
JP2021018056		2021-02-08
PCT/JP2022/002735 WO2022168686A1 (ja)	2021-02-08	2022-01-25	鋼材およびその製造方法、タンクおよびその製造方法

Publications (2)

Publication Number	Publication Date
JPWO2022168686A1 JPWO2022168686A1 (ko)	2022-08-11
JP7338792B2 true JP7338792B2 (ja)	2023-09-05

Family

ID=82741324

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP2022527101A Active JP7338792B2 (ja)	2021-02-08	2022-01-25	鋼材およびその製造方法、タンクおよびその製造方法

Country Status (6)

Country	Link
EP (1)	EP4249621A4 (ko)
JP (1)	JP7338792B2 (ko)
KR (1)	KR20230125288A (ko)
CN (1)	CN116888292A (ko)
TW (1)	TW202246537A (ko)
WO (1)	WO2022168686A1 (ko)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2017155300A (ja)	2016-03-03	2017-09-07	新日鐵住金株式会社	低温用厚鋼板及びその製造方法
WO2018105510A1 (ja)	2016-12-08	2018-06-14	Ｊｆｅスチール株式会社	高Ｍｎ鋼板およびその製造方法
WO2018199145A1 (ja)	2017-04-26	2018-11-01	Ｊｆｅスチール株式会社	高Ｍｎ鋼およびその製造方法
WO2019044928A1 (ja)	2017-09-01	2019-03-07	Ｊｆｅスチール株式会社	高Ｍｎ鋼およびその製造方法
JP2020537714A (ja)	2017-10-18	2020-12-24	ポスコＰｏｓｃｏ	表面品質に優れた低温用高マンガン鋼材及びその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH03161120A (ja) *	1989-11-16	1991-07-11	Kawasaki Steel Corp	鋼構造物の線状加熱矯正法
JP6693217B2 (ja)	2015-04-02	2020-05-13	日本製鉄株式会社	極低温用高Ｍｎ鋼材
KR101932496B1 (ko) *	2017-02-23	2018-12-26	기득산업 주식회사	판재의 열간 성형 시스템
KR102255826B1 (ko) *	2018-10-25	2021-05-26	주식회사 포스코	형상이 우수한 극저온용 오스테나이트계 고망간 강재 및 그 제조방법

2022
- 2022-01-25 EP EP22749560.3A patent/EP4249621A4/en active Pending
- 2022-01-25 WO PCT/JP2022/002735 patent/WO2022168686A1/ja active Application Filing
- 2022-01-25 CN CN202280011768.1A patent/CN116888292A/zh active Pending
- 2022-01-25 JP JP2022527101A patent/JP7338792B2/ja active Active
- 2022-01-25 KR KR1020237025671A patent/KR20230125288A/ko unknown
- 2022-02-07 TW TW111104320A patent/TW202246537A/zh unknown

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2017155300A (ja)	2016-03-03	2017-09-07	新日鐵住金株式会社	低温用厚鋼板及びその製造方法
WO2018105510A1 (ja)	2016-12-08	2018-06-14	Ｊｆｅスチール株式会社	高Ｍｎ鋼板およびその製造方法
WO2018199145A1 (ja)	2017-04-26	2018-11-01	Ｊｆｅスチール株式会社	高Ｍｎ鋼およびその製造方法
WO2019044928A1 (ja)	2017-09-01	2019-03-07	Ｊｆｅスチール株式会社	高Ｍｎ鋼およびその製造方法
JP2020537714A (ja)	2017-10-18	2020-12-24	ポスコＰｏｓｃｏ	表面品質に優れた低温用高マンガン鋼材及びその製造方法

Also Published As

Publication number	Publication date
CN116888292A (zh)	2023-10-13
JPWO2022168686A1 (ko)	2022-08-11
EP4249621A4 (en)	2024-06-05
EP4249621A1 (en)	2023-09-27
TW202246537A (zh)	2022-12-01
WO2022168686A1 (ja)	2022-08-11
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