PH12020550108A1 - Steel plate and method for manufacturing same - Google Patents

Steel plate and method for manufacturing same

Info

Publication number
PH12020550108A1
PH12020550108A1 PH12020550108A PH12020550108A PH12020550108A1 PH 12020550108 A1 PH12020550108 A1 PH 12020550108A1 PH 12020550108 A PH12020550108 A PH 12020550108A PH 12020550108 A PH12020550108 A PH 12020550108A PH 12020550108 A1 PH12020550108 A1 PH 12020550108A1
Authority
PH
Philippines
Prior art keywords
pcnt
steel plate
manufacturing same
less
corrosion resistance
Prior art date
Application number
PH12020550108A
Inventor
Shigeki Kitsuya
Hiroshi Ikeda
Keiji Ueda
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.)
Filing date
Publication date
Application filed by Jfe Steel Corp filed Critical Jfe Steel Corp
Publication of PH12020550108A1 publication Critical patent/PH12020550108A1/en

Links

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
    • 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys 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 of ferrous metals or ferrous alloys 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
    • C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • 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
    • C22C38/04—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
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with 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
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • 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

Landscapes

  • 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)
  • Chemical Treatment Of Metals (AREA)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

Provided is a high Mn steel that has excellent corrosion resistance, in particular corrosion resistance in a salt corrosive environment. The present invention has composition components of C: 0.20 to 0.70 pcnt , Si: 0.05 to 1.00 pcnt , Mn: 15.0 to 35.0 pcnt , P: 0.030 pcnt or less, S: 0.0200 pcnt or less, Al: 0.010 to 0.100 pcnt , Cr: 0.5 to 8.0 pcnt , and N: 0.0010 to 0.0300 pcnt . The balance is Fe and unavoidable impurities. At least 60 pcnt of the Cr contained is solid solution Cr.
PH12020550108A 2017-09-20 2020-03-19 Steel plate and method for manufacturing same PH12020550108A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017180589 2017-09-20
PCT/JP2018/034011 WO2019059095A1 (en) 2017-09-20 2018-09-13 Steel plate and method for manufacturing same

Publications (1)

Publication Number Publication Date
PH12020550108A1 true PH12020550108A1 (en) 2020-12-07

Family

ID=65809928

Family Applications (1)

Application Number Title Priority Date Filing Date
PH12020550108A PH12020550108A1 (en) 2017-09-20 2020-03-19 Steel plate and method for manufacturing same

Country Status (8)

Country Link
EP (1) EP3686306B1 (en)
JP (1) JP6760476B2 (en)
KR (1) KR102363482B1 (en)
CN (1) CN111108225B (en)
MY (1) MY193070A (en)
PH (1) PH12020550108A1 (en)
SG (1) SG11202002379QA (en)
WO (1) WO2019059095A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020035917A1 (en) * 2018-08-15 2020-02-20 Ｊｆｅスチール株式会社 Steel sheet and method for manufacturing same
JP7177924B2 (en) * 2018-10-25 2022-11-24 ポスコ Austenitic high-manganese steel material for cryogenic use with excellent corrosion resistance and its manufacturing method
MY207809A (en) * 2021-03-01 2025-03-20 Jfe Steel Corp Submerged arc welded joint
JP7188647B1 (en) * 2021-03-01 2022-12-13 Ｊｆｅスチール株式会社 TIG welded joint
CN120006183B (en) * 2025-03-03 2025-12-16 华北理工大学 A high-manganese austenitic low-temperature steel plate for liquid hydrogen storage tanks and its preparation method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4529872B2 (en) * 2005-11-04 2010-08-25 住友金属工業株式会社 High Mn steel material and manufacturing method thereof
JP5041029B2 (en) * 2010-04-30 2012-10-03 住友金属工業株式会社 Method for producing high manganese steel
JP6078554B2 (en) 2011-12-27 2017-02-08 ポスコＰｏｓｃｏ Austenitic steel material excellent in cryogenic toughness in machinability and weld heat affected zone and method for producing the same
US20140261918A1 (en) * 2013-03-15 2014-09-18 Exxonmobil Research And Engineering Company Enhanced wear resistant steel and methods of making the same
JP6645103B2 (en) 2014-10-22 2020-02-12 日本製鉄株式会社 High Mn steel material and method for producing the same
JP6693217B2 (en) * 2015-04-02 2020-05-13 日本製鉄株式会社 High Mn steel for cryogenic temperatures
JP6589535B2 (en) * 2015-10-06 2019-10-16 日本製鉄株式会社 Low temperature thick steel plate and method for producing the same
KR101758525B1 (en) * 2015-12-23 2017-07-27 주식회사 포스코 HEAT TREATMENT METHOD OF HIGH STRENGH AND HIGH ELONGATION HIGH-Mn STEEL
JP6728779B2 (en) * 2016-03-03 2020-07-22 日本製鉄株式会社 Low temperature thick steel plate and method of manufacturing the same

Also Published As

Publication number Publication date
JP6760476B2 (en) 2020-09-23
EP3686306A1 (en) 2020-07-29
EP3686306A4 (en) 2020-07-29
SG11202002379QA (en) 2020-04-29
MY193070A (en) 2022-09-26
WO2019059095A1 (en) 2019-03-28
KR102363482B1 (en) 2022-02-15
EP3686306B1 (en) 2024-02-28
CN111108225A (en) 2020-05-05
CN111108225B (en) 2021-09-24
KR20200041938A (en) 2020-04-22
JPWO2019059095A1 (en) 2019-11-14

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