BR112013022812A2 - folha de aço inoxidável duplex - Google Patents

folha de aço inoxidável duplex

Info

Publication number
BR112013022812A2
BR112013022812A2 BR112013022812A BR112013022812A BR112013022812A2 BR 112013022812 A2 BR112013022812 A2 BR 112013022812A2 BR 112013022812 A BR112013022812 A BR 112013022812A BR 112013022812 A BR112013022812 A BR 112013022812A BR 112013022812 A2 BR112013022812 A2 BR 112013022812A2
Authority
BR
Brazil
Prior art keywords
stainless steel
steel sheet
duplex stainless
less
resistance
Prior art date
Application number
BR112013022812A
Other languages
English (en)
Other versions
BR112013022812B1 (pt
Inventor
Kurihara Shinnosuke
Original Assignee
Nippon Steel & Sumitomo Metal 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 Nippon Steel & Sumitomo Metal Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of BR112013022812A2 publication Critical patent/BR112013022812A2/pt
Publication of BR112013022812B1 publication Critical patent/BR112013022812B1/pt

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
    • C22C38/18—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
    • 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
    • C21D6/004—Heat treatment of ferrous alloys containing Cr and 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
    • 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
    • C22C38/02—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
    • C22C38/16—Ferrous alloys, e.g. steel alloys containing 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
    • 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
    • C22C38/40—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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
    • C22C38/40—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
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • 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
    • C21D2211/001—Austenite
    • 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
    • C21D2211/005—Ferrite

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)
  • Heat Treatment Of Sheet Steel (AREA)

Abstract

resumo “folha de aço inoxidável duplex” trata-se de uma folha de aço inoxidável duplex que contém, em % em massa: 0,03% ou menos de c, 0,3% ou menos de si, 3,0% ou menos de mn, 0,040% ou menos de p, 0,008% ou menos de s, 0,2 a 2,0% de cu, 5,0 a 6,5% de ni, 23,0 a 27,0% de cr, 2,5 a 3,5% de mo, 1,5 a 4,0% de w e 0,24 a 0,40% de n, sendo que o saldo é fe e impurezas. essa folha de aço inoxidável duplex um índice de sensibilidade de fase ? x (= 2,2si + 0,5cu + 2,0ni + cr + 4,2mo + 0,2w) de 52,0 ou menos, um índice de força y (= cr + 1,5mo + 10n + 3,5w) de 40,5 ou mais e um equivalente de resistência a pite prew (= cr + 3,3(mo + 0,5w) + 16n) de 40 ou mais. essa folha de aço inoxidável duplex tem excelente resistência à corrosão e excelente resistência ao fissuramento por fragilização. 1/1
BR112013022812-1A 2011-03-10 2012-03-06 aço inoxidável duplex BR112013022812B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011052502 2011-03-10
JP2011-052502 2011-03-10
PCT/JP2012/055619 WO2012121232A1 (ja) 2011-03-10 2012-03-06 二相ステンレス鋼

Publications (2)

Publication Number Publication Date
BR112013022812A2 true BR112013022812A2 (pt) 2017-11-14
BR112013022812B1 BR112013022812B1 (pt) 2019-01-22

Family

ID=46798190

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013022812-1A BR112013022812B1 (pt) 2011-03-10 2012-03-06 aço inoxidável duplex

Country Status (10)

Country Link
US (1) US9512509B2 (pt)
EP (1) EP2684974B1 (pt)
JP (1) JP5088455B2 (pt)
KR (1) KR101539520B1 (pt)
CN (1) CN103429776B (pt)
BR (1) BR112013022812B1 (pt)
CA (1) CA2828195C (pt)
ES (1) ES2632008T3 (pt)
SG (1) SG193359A1 (pt)
WO (1) WO2012121232A1 (pt)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5842769B2 (ja) * 2012-08-27 2016-01-13 新日鐵住金株式会社 二相ステンレス鋼およびその製造方法
JP6222806B2 (ja) * 2013-03-27 2017-11-01 日本冶金工業株式会社 耐脆化性に優れる高耐食二相ステンレス鋼
JP6327633B2 (ja) * 2013-09-19 2018-05-23 セイコーインスツル株式会社 二相ステンレス鋼からなるダイヤフラム
JP6303851B2 (ja) * 2014-06-18 2018-04-04 新日鐵住金株式会社 二相ステンレス鋼管
JP5962878B1 (ja) * 2014-10-24 2016-08-03 新日鐵住金株式会社 二相ステンレス鋼およびその製造方法
CN108367396B (zh) * 2015-12-18 2020-04-17 日本制铁株式会社 铁素体系耐热钢用焊接材料、铁素体系耐热钢用焊接接头以及铁素体系耐热钢用焊接接头的制造方法
CN114769481B (zh) * 2022-05-05 2023-12-26 无锡派克新材料科技股份有限公司 一种提高不锈钢冲击的锻造工艺

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0774416B2 (ja) 1986-04-28 1995-08-09 日本鋼管株式会社 耐孔食性に優れた２相ステンレス鋼
JP2500162B2 (ja) * 1991-11-11 1996-05-29 住友金属工業株式会社 耐食性に優れた高強度二相ステンレス鋼
FI100422B (fi) * 1994-07-11 1997-11-28 Metso Paper Inc Telan valmistus
JP3241263B2 (ja) 1996-03-07 2001-12-25 住友金属工業株式会社 高強度二相ステンレス鋼管の製造方法
JP3127822B2 (ja) * 1996-04-10 2001-01-29 住友金属工業株式会社 二相ステンレス鋼製継目無鋼管の製造方法
JPH1060598A (ja) * 1996-08-19 1998-03-03 Nkk Corp 耐海水性用析出強化型二相ステンレス鋼
SE514044C2 (sv) 1998-10-23 2000-12-18 Sandvik Ab Stål för havsvattentillämpningar
SE513247C2 (sv) 1999-06-29 2000-08-07 Sandvik Ab Ferrit-austenitisk stållegering
JP3534032B2 (ja) * 2000-02-03 2004-06-07 住友金属工業株式会社 ２相ステンレス鋼製鋼管の製造方法
JP3758508B2 (ja) 2001-02-13 2006-03-22 住友金属工業株式会社 二相ステンレス鋼管の製造方法
SE524952C2 (sv) 2001-09-02 2004-10-26 Sandvik Ab Duplex rostfri stållegering
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Also Published As

Publication number Publication date
EP2684974B1 (en) 2017-05-10
EP2684974A4 (en) 2014-11-05
WO2012121232A1 (ja) 2012-09-13
JP5088455B2 (ja) 2012-12-05
US20140003989A1 (en) 2014-01-02
JPWO2012121232A1 (ja) 2014-07-17
CN103429776A (zh) 2013-12-04
CA2828195A1 (en) 2012-09-13
US9512509B2 (en) 2016-12-06
EP2684974A1 (en) 2014-01-15
KR101539520B1 (ko) 2015-07-24
KR20130133030A (ko) 2013-12-05
CA2828195C (en) 2016-10-11
CN103429776B (zh) 2016-08-10
ES2632008T3 (es) 2017-09-07
BR112013022812B1 (pt) 2019-01-22
SG193359A1 (en) 2013-10-30

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Legal Events

Date Code Title Description
B07A Technical examination (opinion): publication of technical examination (opinion)
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/03/2012, OBSERVADAS AS CONDICOES LEGAIS.

B25D Requested change of name of applicant approved

Owner name: NIPPON STEEL CORPORATION (JP)