BR112023012742A2 - Chapa de aço elétrico não orientado, e, método para fabricar chapa de aço elétrico não orientado - Google Patents

Chapa de aço elétrico não orientado, e, método para fabricar chapa de aço elétrico não orientado

Info

Publication number
BR112023012742A2
BR112023012742A2 BR112023012742A BR112023012742A BR112023012742A2 BR 112023012742 A2 BR112023012742 A2 BR 112023012742A2 BR 112023012742 A BR112023012742 A BR 112023012742A BR 112023012742 A BR112023012742 A BR 112023012742A BR 112023012742 A2 BR112023012742 A2 BR 112023012742A2
Authority
BR
Brazil
Prior art keywords
steel sheet
electric steel
oriented electric
base material
electrical steel
Prior art date
Application number
BR112023012742A
Other languages
English (en)
Inventor
Atsushi Shibayama
Daichi Hamada
Daisuke Itabashi
Fuminobu Murakami
Kazumi Mizukami
Masahide Urago
Masato Yasuda
Nobusato Morishige
Takeru Ichie
Original Assignee
Nippon 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 Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of BR112023012742A2 publication Critical patent/BR112023012742A2/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/06Ferrous alloys, e.g. steel alloys containing aluminium
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1222Hot rolling
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/02Ferrous alloys, e.g. steel alloys containing silicon
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/005Heat treatment of ferrous alloys containing Mn
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D6/00Heat treatment of ferrous alloys
    • C21D6/008Heat treatment of ferrous alloys containing Si
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1216Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the working step(s) being of interest
    • C21D8/1233Cold rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1261Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest following hot rolling
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1244Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties the heat treatment(s) being of interest
    • C21D8/1272Final recrystallisation annealing
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D8/00Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/12Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties
    • C21D8/1277Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of articles with special electromagnetic properties involving a particular surface treatment
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21DMODIFYING 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
    • C21D9/00Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/46Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/001Ferrous alloys, e.g. steel alloys containing N
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/002Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/004Very low carbon steels, i.e. having a carbon content of less than 0,01%
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/005Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/008Ferrous alloys, e.g. steel alloys containing tin
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/04Ferrous alloys, e.g. steel alloys containing manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/08Ferrous alloys, e.g. steel alloys containing nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/12Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/14Ferrous alloys, e.g. steel alloys containing titanium or zirconium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/16Ferrous alloys, e.g. steel alloys containing copper
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/18Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/58Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C38/00Ferrous alloys, e.g. steel alloys
    • C22C38/60Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/02Cleaning or pickling metallic material with solutions or molten salts with acid solutions
    • C23G1/08Iron or steel
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/14Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
    • H01F1/147Alloys characterised by their composition
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Power Engineering (AREA)
  • Manufacturing Of Steel Electrode Plates (AREA)
  • Soft Magnetic Materials (AREA)

Abstract

chapa de aço elétrico não orientado, e, método para fabricar chapa de aço elétrico não orientado. uma chapa de aço elétrico não orientado distinguida pelo fato de que, em uma seção transversal na direção da espessura da placa de um material de base, a densidade numérica n2-5 de precipitados com um diâmetro de círculo equivalente de 50-500 nm presente em uma faixa de 2,0-5,0 µm na direção da espessura da placa a partir da superfície do material de base é 0,30/µm2 ou menos, e a relação entre a densidade numérica n2-5 e a densidade numérica n0-2 de precipitados com um diâmetro de círculo equivalente de 50-500 nm presente em uma faixa de 2,0 µm da superfície do material de base satisfaz a fórmula (1). (n2-5)/(n0-2) = 0,5 ··· fórmula (1).
BR112023012742A 2021-03-31 2022-03-31 Chapa de aço elétrico não orientado, e, método para fabricar chapa de aço elétrico não orientado BR112023012742A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021060959 2021-03-31
PCT/JP2022/016651 WO2022211053A1 (ja) 2021-03-31 2022-03-31 無方向性電磁鋼板および無方向性電磁鋼板の製造方法

Publications (1)

Publication Number Publication Date
BR112023012742A2 true BR112023012742A2 (pt) 2024-01-02

Family

ID=83456607

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023012742A BR112023012742A2 (pt) 2021-03-31 2022-03-31 Chapa de aço elétrico não orientado, e, método para fabricar chapa de aço elétrico não orientado

Country Status (8)

Country Link
US (1) US11970750B2 (pt)
EP (1) EP4317478A1 (pt)
JP (1) JP7222445B1 (pt)
KR (1) KR102653156B1 (pt)
CN (1) CN116685704B (pt)
BR (1) BR112023012742A2 (pt)
TW (1) TWI814327B (pt)
WO (1) WO2022211053A1 (pt)

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS621819A (ja) * 1985-06-28 1987-01-07 Kawasaki Steel Corp 一方向性けい素鋼板の製造方法
JP2709172B2 (ja) * 1990-02-20 1998-02-04 川崎製鉄株式会社 被膜外観にすぐれた珪素鋼板の製造方法
JP4239456B2 (ja) 2001-12-26 2009-03-18 Jfeスチール株式会社 方向性電磁鋼板の製造方法
CN103534376B (zh) * 2011-08-18 2016-08-17 新日铁住金株式会社 无方向性电磁钢板、其制造方法、马达铁芯用层叠体及其制造方法
JP5954347B2 (ja) 2013-03-07 2016-07-20 Jfeスチール株式会社 方向性電磁鋼板およびその製造方法
RU2712795C1 (ru) 2016-11-25 2020-01-31 ДжФЕ СТИЛ КОРПОРЕЙШН Листовая электротехническая сталь с неориентированной структурой и способ ее производства
KR101918720B1 (ko) * 2016-12-19 2018-11-14 주식회사 포스코 무방향성 전기강판 및 그 제조방법
JP6738047B2 (ja) 2017-05-31 2020-08-12 Jfeスチール株式会社 無方向性電磁鋼板とその製造方法
JP6798474B2 (ja) 2017-11-28 2020-12-09 Jfeスチール株式会社 方向性電磁鋼板の製造方法
KR102457575B1 (ko) * 2018-05-21 2022-10-20 제이에프이 스틸 가부시키가이샤 무방향성 전자 강판 및 그의 제조 방법
KR102178341B1 (ko) * 2018-11-30 2020-11-12 주식회사 포스코 자성이 우수한 무방향성 전기강판 및 그 제조방법
JP6825758B1 (ja) * 2019-07-11 2021-02-03 Jfeスチール株式会社 無方向性電磁鋼板とその製造方法およびモータコア
JP7494562B2 (ja) 2019-10-09 2024-06-04 富士電機株式会社 要因分析装置及び要因分析方法
BR112022025434A2 (pt) * 2020-06-24 2023-01-24 Nippon Steel Corp Método para produzir chapa de aço elétrico

Also Published As

Publication number Publication date
KR20230107900A (ko) 2023-07-18
US20230392225A1 (en) 2023-12-07
KR102653156B1 (ko) 2024-04-02
CN116685704A (zh) 2023-09-01
JP7222445B1 (ja) 2023-02-15
TW202239976A (zh) 2022-10-16
WO2022211053A1 (ja) 2022-10-06
JPWO2022211053A1 (pt) 2022-10-06
CN116685704B (zh) 2024-04-02
EP4317478A1 (en) 2024-02-07
TWI814327B (zh) 2023-09-01
US11970750B2 (en) 2024-04-30

Similar Documents

Publication Publication Date Title
BR112013002008A2 (pt) folha de aço elétrica orientada por grão e método para fabricação da mesma
BR112012020219A2 (pt) "chapas de aço elétrico não orientado e um método de fabricação das mesmas"
BR112022021237A2 (pt) Chapa de aço elétrico de grão orientado, e, método para fabricar uma chapa de aço elétrico de grão orientado
BRPI0507209A (pt) processo e dispositivo que permitem medir a viscosidade de uma cultura de microorganismos
BR112013001358A2 (pt) chapa de aço elétrica de grãos orientados e método para a fabricação da mesma
BR112023012742A2 (pt) Chapa de aço elétrico não orientado, e, método para fabricar chapa de aço elétrico não orientado
BR112016025466A2 (pt) chapa de aço elétrico com grão orientado que causa baixa perda de núcleo e baixa magnetostricção
BRPI0508654A (pt) laminado de pelìcula de carbono e método para produção do mesmo e dispositivo de remoção de voc
BRPI0822498B8 (pt) trocador de calor de placas
BRPI0704244A (pt) aparelho para acetinar e estampar em relevo folhas metálicas de embalagem e método de sua realização
BR112018014807A2 (pt) método para fabricar artigo moldado por prensa e aparelho de prensa
BR112018075616A2 (pt) material de acondicionamento, embalagem, e, método para produzir um material de acondicionamento.
BR112019025146A2 (pt) Chapa de aço para membro formado por prensagem a quente com excelente adesão da pintura e resistência à corrosão pós-pintura, e método de fabricação da mesma
BR112018010595A2 (pt) estampagem para folha texturizada por descarga elétrica
BR112014011385A2 (pt) forro de liberação, e, método para formar um revestimento de liberação de silicone
BR112017023527A2 (pt) placa de impressão de almofada engravável a laser, e, métodos para produzir uma placa de impressão de almofada, para produzir um modelo de impressão de almofada e para imprimir um substrato
BR112023025498A2 (pt) Placa de aço pré-revestida para conformação a quente e método de preparação para a mesma, e membro de aço formado a quente e aplicação do mesmo
BR112016008533A2 (pt) folhas de resina termoplástica e artigos formados
BR112017022937A2 (pt) revestimento isolante para chapa de aço elétrico
BR112018072354A2 (pt) válvula de solenoide
BR112019000562A2 (pt) vidraça laminada com vidro interior muito fino em recuo
BR112022026857A2 (pt) Filme laminado
BR0106001A (pt) Método para produção de chapas de ligas de alumìnio para mancais
BR112022026329A2 (pt) Chapa de aço para prensagem a quente e método de fabricação de uma chapa de aço para prensagem a quente
BR112022009388A2 (pt) Elemento de substrato gerador de aerosol com papel espesso