BR112017004711A2 - chapa de aço laminada a quente - Google Patents

chapa de aço laminada a quente

Info

Publication number
BR112017004711A2
BR112017004711A2 BR112017004711A BR112017004711A BR112017004711A2 BR 112017004711 A2 BR112017004711 A2 BR 112017004711A2 BR 112017004711 A BR112017004711 A BR 112017004711A BR 112017004711 A BR112017004711 A BR 112017004711A BR 112017004711 A2 BR112017004711 A2 BR 112017004711A2
Authority
BR
Brazil
Prior art keywords
less
equivalent diameter
circle equivalent
rolled steel
volume fraction
Prior art date
Application number
BR112017004711A
Other languages
English (en)
Inventor
Sakakibara Akifumi
Maeda Daisuke
Ootsuka Kazuya
Hoshino Takehiro
Hayashida Teruki
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 BR112017004711A2 publication Critical patent/BR112017004711A2/pt

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    • 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
    • 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
    • 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
    • C22C38/06—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
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • 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
    • 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
    • C22C38/58—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
    • 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
    • C21D2211/002—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
    • C21D2211/005—Ferrite
    • 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
    • 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
    • C21D2211/009—Pearlite

Abstract

a presente invenção refere-se a uma chapa de aço laminada a quente que contém componentes prescritos, que satisfaz a fórmula (1) em relação à quantidade adicionada de cr e al, e que tem uma estrutura metalográfica que tem uma fração de volume de ferrita maior que 90%, porém, 98% ou menos, uma fração de volume de martensita de 2% ou menos, porém, menor que 10%, e uma fração de volume menor que 1% de uma estrutura restante que compreende uma ou mais substâncias dentre perlita, bainita e austenita retida, sendo que a ferrita tem um diâmetro equivalente a círculo médio de 4 µm ou mais e um diâmetro equivalente a círculo máximo de 30 µm ou menos, e a martensita tem um diâmetro equivalente a círculo médio de 10 µm ou menos e um diâmetro equivalente círculo de 20 µm ou menos. fórmula (1): [cr] x 5 [al] > 0,50. na fórmula (1), [cr] é teor de cr (% em massa) e [al] é teor de al (% em massa).
BR112017004711A 2014-09-17 2015-09-17 chapa de aço laminada a quente BR112017004711A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014188845 2014-09-17
PCT/JP2015/076491 WO2016043273A1 (ja) 2014-09-17 2015-09-17 熱延鋼板

Publications (1)

Publication Number Publication Date
BR112017004711A2 true BR112017004711A2 (pt) 2017-12-05

Family

ID=55533309

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017004711A BR112017004711A2 (pt) 2014-09-17 2015-09-17 chapa de aço laminada a quente

Country Status (11)

Country Link
US (1) US10655192B2 (pt)
EP (1) EP3196326B1 (pt)
JP (1) JP6311793B2 (pt)
KR (1) KR101935184B1 (pt)
CN (1) CN106715742B (pt)
BR (1) BR112017004711A2 (pt)
ES (1) ES2802203T3 (pt)
MX (1) MX2017003396A (pt)
PL (1) PL3196326T3 (pt)
TW (1) TWI585217B (pt)
WO (1) WO2016043273A1 (pt)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115943224A (zh) * 2020-08-27 2023-04-07 日本制铁株式会社 热轧钢板

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Publication number Priority date Publication date Assignee Title
KR102165051B1 (ko) * 2016-03-31 2020-10-13 제이에프이 스틸 가부시키가이샤 박강판 및 도금 강판, 그리고, 박강판의 제조 방법 및 도금 강판의 제조 방법
KR102195685B1 (ko) 2016-08-18 2020-12-28 닛폰세이테츠 가부시키가이샤 열연 강판
JP6930296B2 (ja) * 2017-08-31 2021-09-01 日本製鉄株式会社 熱延鋼板およびスプライン軸受ならびにそれらの製造方法
US11512359B2 (en) * 2017-11-24 2022-11-29 Nippon Steel Corporation Hot rolled steel sheet and method for producing same
CN108411207B (zh) * 2018-04-11 2020-01-07 东北大学 一种抗拉强度600MPa级薄规格热轧双相钢及其制造方法
CN108411206B (zh) * 2018-04-11 2020-01-21 东北大学 一种抗拉强度540MPa级薄规格热轧双相钢及其制造方法
CN115702256B (zh) * 2020-10-28 2023-10-17 日本制铁株式会社 热轧钢板

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EP0969112B2 (en) 1997-03-17 2017-03-08 Nippon Steel & Sumitomo Metal Corporation A method of producing dual-phase high-strength steel sheets having high impact energy absorption properties
JP2001303187A (ja) 2000-04-21 2001-10-31 Nippon Steel Corp バーリング加工性に優れる複合組織鋼板およびその製造方法
JP3968011B2 (ja) 2002-05-27 2007-08-29 新日本製鐵株式会社 低温靱性および溶接熱影響部靱性に優れた高強度鋼とその製造方法および高強度鋼管の製造方法
TWI290586B (en) * 2003-09-24 2007-12-01 Nippon Steel Corp Hot rolled steel sheet and method of producing the same
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KR101658744B1 (ko) * 2012-09-26 2016-09-21 신닛테츠스미킨 카부시키카이샤 복합 조직 강판 및 그 제조 방법
WO2014051119A1 (ja) * 2012-09-27 2014-04-03 新日鐵住金株式会社 電縫溶接鋼管
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115943224A (zh) * 2020-08-27 2023-04-07 日本制铁株式会社 热轧钢板

Also Published As

Publication number Publication date
WO2016043273A1 (ja) 2016-03-24
CN106715742A (zh) 2017-05-24
JPWO2016043273A1 (ja) 2017-07-13
US20170253944A1 (en) 2017-09-07
MX2017003396A (es) 2017-06-19
KR101935184B1 (ko) 2019-01-03
JP6311793B2 (ja) 2018-04-18
EP3196326A1 (en) 2017-07-26
US10655192B2 (en) 2020-05-19
EP3196326A4 (en) 2018-02-21
ES2802203T3 (es) 2021-01-15
EP3196326B1 (en) 2020-05-13
PL3196326T3 (pl) 2020-09-21
TW201619410A (zh) 2016-06-01
KR20170043631A (ko) 2017-04-21
CN106715742B (zh) 2019-07-23
TWI585217B (zh) 2017-06-01

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Owner name: NIPPON STEEL CORPORATION (JP)

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B09A Decision: intention to grant [chapter 9.1 patent gazette]
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A ANUIDADE.

B11D Dismissal acc. art. 38, par 2 of ipl - failure to pay fee after grant in time