WO2017111290A8 - Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법 - Google Patents

Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법 Download PDF

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Publication number
WO2017111290A8
WO2017111290A8 PCT/KR2016/012566 KR2016012566W WO2017111290A8 WO 2017111290 A8 WO2017111290 A8 WO 2017111290A8 KR 2016012566 W KR2016012566 W KR 2016012566W WO 2017111290 A8 WO2017111290 A8 WO 2017111290A8
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WO
WIPO (PCT)
Prior art keywords
steel plate
low
pressure vessel
temperature pressure
manufacturing same
Prior art date
Application number
PCT/KR2016/012566
Other languages
English (en)
French (fr)
Other versions
WO2017111290A1 (ko
Inventor
홍순택
Original Assignee
주식회사 포스코
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 주식회사 포스코 filed Critical 주식회사 포스코
Priority to US16/063,990 priority Critical patent/US20180371568A1/en
Priority to CN201680075744.7A priority patent/CN108431272B/zh
Priority to JP2018532673A priority patent/JP6700400B2/ja
Priority to EP16879157.2A priority patent/EP3395984B1/en
Publication of WO2017111290A1 publication Critical patent/WO2017111290A1/ko
Publication of WO2017111290A8 publication Critical patent/WO2017111290A8/ko

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    • 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
    • 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
    • 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
    • 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/50—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for welded joints
    • 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
    • C22C38/08—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
    • C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • 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
    • C21D2211/008—Martensite

Abstract

본 발명은, 중량%로, C: 0.07 ~ 0.17%, Si: 0.15 ~ 0.40%, Mn: 0.3 ~ 0.7%, P: 0.012% 이하, S: 0.015%이하, Ni: 3.0 ~ 4.0%, W : 0.03~0.25%, 잔부 Fe 및 불가피한 불순물로 이루어지며, 미세조직이 25~80 면적%의 템퍼드 베이나이트와 잔부 템퍼드 마르텐사이트로 이루어지고 인장강도 600MPa 이상인 저온인성과 PWHT 저항성이 우수한 저온용 압력용기 강판 및 그 제조 방법에 관한 것이다.
PCT/KR2016/012566 2015-12-22 2016-11-03 Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법 WO2017111290A1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US16/063,990 US20180371568A1 (en) 2015-12-22 2016-11-03 Steel plate having excellent pwht resistance for low-temperature pressure vessel and method for manufacturing same
CN201680075744.7A CN108431272B (zh) 2015-12-22 2016-11-03 对pwht具有优异抗性的低温压力容器用钢板及其制造方法
JP2018532673A JP6700400B2 (ja) 2015-12-22 2016-11-03 Ｐｗｈｔ抵抗性に優れた低温圧力容器用鋼板及びその製造方法
EP16879157.2A EP3395984B1 (en) 2015-12-22 2016-11-03 Steel sheet having excellent pwht resistance for low-temperature pressure vessel and method for manufacturing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150183528A KR101758497B1 (ko) 2015-12-22 2015-12-22 Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법
KR10-2015-0183528 2015-12-22

Publications (2)

Publication Number Publication Date
WO2017111290A1 WO2017111290A1 (ko) 2017-06-29
WO2017111290A8 true WO2017111290A8 (ko) 2017-12-21

Family

ID=59090737

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2016/012566 WO2017111290A1 (ko) 2015-12-22 2016-11-03 Pwht 저항성이 우수한 저온 압력용기용 강판 및 그 제조 방법

Country Status (6)

Country Link
US (1) US20180371568A1 (ko)
EP (1) EP3395984B1 (ko)
JP (1) JP6700400B2 (ko)
KR (1) KR101758497B1 (ko)
CN (1) CN108431272B (ko)
WO (1) WO2017111290A1 (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101998991B1 (ko) * 2017-12-15 2019-07-10 주식회사 포스코 인장강도 및 저온충격인성이 우수한 압력용기용 강판 및 그 제조방법
KR102031499B1 (ko) * 2018-08-07 2019-10-11 주식회사 포스코 표면품질 및 충격인성이 우수한 압력용기용 강재 및 이의 제조방법
KR102065276B1 (ko) * 2018-10-26 2020-02-17 주식회사 포스코 극저온 인성 및 연성이 우수한 압력용기용 강판 및 그 제조 방법
KR102200225B1 (ko) * 2019-09-03 2021-01-07 주식회사 포스코 극저온 횡팽창이 우수한 압력용기용 강판 및 그 제조 방법
KR102280641B1 (ko) * 2019-10-22 2021-07-22 주식회사 포스코 고온 용접후열처리 저항성이 우수한 압력용기용 강판 및 그 제조방법
CN112626417A (zh) * 2020-12-14 2021-04-09 南阳汉冶特钢有限公司 一种低成本690MPa级低温抗震钢的生产方法
CN113088807A (zh) * 2021-02-25 2021-07-09 舞阳钢铁有限责任公司 一种高韧性低温压力容器用钢板及其生产方法
CN113549815B (zh) * 2021-06-25 2022-09-16 鞍钢股份有限公司 一种低温用低合金压力容器用钢板及生产方法
CN115341152A (zh) * 2022-08-31 2022-11-15 鞍钢股份有限公司 一种节镍型-100℃低温钢及其制造方法

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JP4267367B2 (ja) * 2002-06-19 2009-05-27 新日本製鐵株式会社 原油油槽用鋼およびその製造方法、原油油槽およびその防食方法
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Also Published As

Publication number Publication date
JP2019505672A (ja) 2019-02-28
KR101758497B1 (ko) 2017-07-27
US20180371568A1 (en) 2018-12-27
EP3395984A4 (en) 2018-12-26
WO2017111290A1 (ko) 2017-06-29
EP3395984B1 (en) 2020-01-29
EP3395984A1 (en) 2018-10-31
CN108431272B (zh) 2020-07-28
CN108431272A (zh) 2018-08-21
KR20170075050A (ko) 2017-07-03
JP6700400B2 (ja) 2020-05-27

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