CA3108758C - Duplex stainless steel seamless pipe and method for manufacturing same - Google Patents

Duplex stainless steel seamless pipe and method for manufacturing same Download PDF

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Publication number
CA3108758C
CA3108758C CA3108758A CA3108758A CA3108758C CA 3108758 C CA3108758 C CA 3108758C CA 3108758 A CA3108758 A CA 3108758A CA 3108758 A CA3108758 A CA 3108758A CA 3108758 C CA3108758 C CA 3108758C
Authority
CA
Canada
Prior art keywords
pipe
yield strength
stainless steel
duplex stainless
temperature
Prior art date
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
CA3108758A
Other languages
English (en)
French (fr)
Other versions
CA3108758A1 (en
Inventor
Shunsuke Sasaki
Seigo GOTO
Hiroki Ota
Tatsuro Katsumura
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=69644185&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA3108758(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of CA3108758A1 publication Critical patent/CA3108758A1/en
Application granted granted Critical
Publication of CA3108758C publication Critical patent/CA3108758C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • C21D8/10—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of tubular bodies
    • 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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
CA3108758A 2018-08-31 2019-08-07 Duplex stainless steel seamless pipe and method for manufacturing same Active CA3108758C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018-163143 2018-08-31
JP2018163143 2018-08-31
PCT/JP2019/031020 WO2020044988A1 (ja) 2018-08-31 2019-08-07 二相ステンレス継目無鋼管およびその製造方法

Publications (2)

Publication Number Publication Date
CA3108758A1 CA3108758A1 (en) 2020-03-05
CA3108758C true CA3108758C (en) 2022-07-19

Family

ID=69644185

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3108758A Active CA3108758C (en) 2018-08-31 2019-08-07 Duplex stainless steel seamless pipe and method for manufacturing same

Country Status (6)

Country Link
JP (1) JP6849104B2 (ja)
AR (1) AR116042A1 (ja)
AU (1) AU2019329105B2 (ja)
BR (1) BR112021003350B8 (ja)
CA (1) CA3108758C (ja)
WO (1) WO2020044988A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR112022014826A2 (pt) * 2020-02-05 2022-09-27 Jfe Steel Corp Tubo sem costura de aço inoxidável e método para fabricar o mesmo
JP6981574B1 (ja) * 2020-02-27 2021-12-15 Ｊｆｅスチール株式会社 ステンレス鋼管およびその製造方法
CN115485406B (zh) * 2020-05-07 2023-12-19 日本制铁株式会社 双相不锈钢无缝钢管
JP7173411B1 (ja) * 2021-03-17 2022-11-16 Ｊｆｅスチール株式会社 二相ステンレス鋼管およびその製造方法
CN113106347B (zh) * 2021-04-13 2022-07-15 无锡恒丰祥钢管科技有限公司 一种耐高温无缝钢管及其制备方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103966525B (zh) * 2014-05-21 2016-05-11 攀钢集团江油长城特殊钢有限公司 一种高铬高钼铁素体不锈钢无缝管材及其制造方法
JP6197850B2 (ja) * 2014-12-18 2017-09-20 Ｊｆｅスチール株式会社 二相ステンレス継目無鋼管の製造方法
JP6358411B1 (ja) * 2016-09-02 2018-07-18 Ｊｆｅスチール株式会社 二相ステンレス鋼およびその製造方法
WO2018131412A1 (ja) * 2017-01-10 2018-07-19 Ｊｆｅスチール株式会社 二相ステンレス鋼およびその製造方法
JP6946737B2 (ja) * 2017-05-18 2021-10-06 日本製鉄株式会社 二相ステンレス鋼材及びその製造方法

Also Published As

Publication number Publication date
BR112021003350A2 (pt) 2021-05-11
AR116042A1 (es) 2021-03-25
JPWO2020044988A1 (ja) 2020-09-03
BR112021003350B1 (pt) 2023-11-28
JP6849104B2 (ja) 2021-03-24
AU2019329105B2 (en) 2021-12-23
BR112021003350B8 (pt) 2023-12-19
WO2020044988A1 (ja) 2020-03-05
AU2019329105A1 (en) 2021-02-11
CA3108758A1 (en) 2020-03-05

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Effective date: 20210204

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