BR112017025389A2 - chapa de aço galvanizada e método para fabricar a mesma - Google Patents
chapa de aço galvanizada e método para fabricar a mesmaInfo
- Publication number
- BR112017025389A2 BR112017025389A2 BR112017025389-5A BR112017025389A BR112017025389A2 BR 112017025389 A2 BR112017025389 A2 BR 112017025389A2 BR 112017025389 A BR112017025389 A BR 112017025389A BR 112017025389 A2 BR112017025389 A2 BR 112017025389A2
- Authority
- BR
- Brazil
- Prior art keywords
- steel sheet
- mpa
- manufacturing
- same
- carbon steel
- Prior art date
Links
- 229910000975 Carbon steel Inorganic materials 0.000 title 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title 1
- 238000005275 alloying Methods 0.000 title 1
- 239000010962 carbon steel Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000011701 zinc Substances 0.000 title 1
- 229910052725 zinc Inorganic materials 0.000 title 1
- 229910000734 martensite Inorganic materials 0.000 abstract 4
- 229910000831 Steel Inorganic materials 0.000 abstract 3
- 239000010959 steel Substances 0.000 abstract 3
- 229910001563 bainite Inorganic materials 0.000 abstract 2
- 229910001335 Galvanized steel Inorganic materials 0.000 abstract 1
- 239000008397 galvanized steel Substances 0.000 abstract 1
- 238000005246 galvanizing Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/043—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
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- C—CHEMISTRY; METALLURGY
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- C21D6/005—Heat treatment of ferrous alloys containing Mn
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- C21D8/0226—Hot rolling
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- C21D8/0247—Modifying the physical properties 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 by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment following hot rolling
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- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- C21D8/0278—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a particular surface treatment
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Abstract
a invenção refere-se a uma chapa de aço galvanizada na qual uma camada de galvanização é fornecida em uma superfície de uma chapa de aço, em que a composição química da chapa de aço, em termos de % de massa, é de 0,25 a 0,70% de c, 0,25 a 2,50% de si, 1,00 a 5,00% de mn, 0,005 a 3,50% de al, 0,15% ou menos de p, 0,03% ou menos de s, = 0,02% de n, e = 0,01% de o, e inclui uma ou mais das espécies selecionadas dentre ti, nb, v, cr, mo, cu, ni, b, ca, rem, mg, w, zr, sb, sn, as, te, y, hf e co, conforme necessário, em que o restante é fe e impurezas inevitáveis, a estrutura metalográfica da chapa de aço, em termos de % em volume, é de 10,0 a 60,0% de ¿ residual, = 5,0% de martensita revenida à alta temperatura, = 5,0% de martensita revenida à baixa temperatura, = 10,0% de martensita fresca, 0 a 15,0% de a, e 0 a 10,0% de p, em que o restante é bainita, e a fração de volume total de martensita revenida e bainita é de 30,0% ou maior, em que a resistibilidade à tração é de 1.470 mpa ou maior, em que o produto da resistibilidade à tração e do alongamento médio é de 13.000 % em mpa ou maior, e o produto da resistibilidade à tração e do alongamento local é de 5.000 % em mpa ou maior.
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JP2015118648 | 2015-06-11 | ||
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JP2015137052 | 2015-07-08 | ||
JP2015137192 | 2015-07-08 | ||
PCT/JP2016/067448 WO2016199922A1 (ja) | 2015-06-11 | 2016-06-10 | 合金化溶融亜鉛めっき鋼板およびその製造方法 |
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US (1) | US10745775B2 (pt) |
EP (1) | EP3309273B1 (pt) |
JP (1) | JP6187710B2 (pt) |
KR (1) | KR102081361B1 (pt) |
CN (2) | CN107636184A (pt) |
BR (1) | BR112017025389A2 (pt) |
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CN112585290A (zh) * | 2018-08-22 | 2021-03-30 | 杰富意钢铁株式会社 | 高强度钢板及其制造方法 |
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JP5327410B1 (ja) * | 2011-09-30 | 2013-10-30 | 新日鐵住金株式会社 | 耐衝撃特性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法、並びに、高強度合金化溶融亜鉛めっき鋼板およびその製造方法 |
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JP6007881B2 (ja) | 2013-10-15 | 2016-10-12 | 新日鐵住金株式会社 | 引張最大強度780MPa以上を有する衝突特性に優れた高強度鋼板、高強度溶融亜鉛めっき鋼板及び高強度合金化溶融亜鉛めっき鋼板 |
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CN112585290A (zh) * | 2018-08-22 | 2021-03-30 | 杰富意钢铁株式会社 | 高强度钢板及其制造方法 |
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TWI602927B (zh) | 2017-10-21 |
KR102081361B1 (ko) | 2020-02-25 |
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US10745775B2 (en) | 2020-08-18 |
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