BR112019010870B1 - Placa de aço de alto mn e método de fabricação para a mesma - Google Patents
Placa de aço de alto mn e método de fabricação para a mesma Download PDFInfo
- Publication number
- BR112019010870B1 BR112019010870B1 BR112019010870-0A BR112019010870A BR112019010870B1 BR 112019010870 B1 BR112019010870 B1 BR 112019010870B1 BR 112019010870 A BR112019010870 A BR 112019010870A BR 112019010870 B1 BR112019010870 B1 BR 112019010870B1
- Authority
- BR
- Brazil
- Prior art keywords
- steel plate
- less
- steel
- temperature
- austenite
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 134
- 239000010959 steel Substances 0.000 claims abstract description 134
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 50
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 31
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 26
- 239000000203 mixture Substances 0.000 claims abstract description 18
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 26
- 229910052758 niobium Inorganic materials 0.000 claims description 26
- 150000004767 nitrides Chemical class 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000005098 hot rolling Methods 0.000 claims description 8
- 238000004364 calculation method Methods 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 description 55
- 238000005260 corrosion Methods 0.000 description 55
- 238000005336 cracking Methods 0.000 description 55
- 230000000694 effects Effects 0.000 description 40
- 229910052739 hydrogen Inorganic materials 0.000 description 26
- 239000001257 hydrogen Substances 0.000 description 25
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 24
- 239000010953 base metal Substances 0.000 description 22
- 238000005096 rolling process Methods 0.000 description 21
- 239000002244 precipitate Substances 0.000 description 18
- 230000009467 reduction Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 230000007423 decrease Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000001186 cumulative effect Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 230000003247 decreasing effect Effects 0.000 description 7
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 6
- 229910000734 martensite Inorganic materials 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000003860 storage Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 5
- 230000000087 stabilizing effect Effects 0.000 description 5
- 208000010392 Bone Fractures Diseases 0.000 description 4
- 206010017076 Fracture Diseases 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000001953 recrystallisation Methods 0.000 description 4
- 238000009864 tensile test Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- 238000010191 image analysis Methods 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 239000003949 liquefied natural gas Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 2
- 235000010262 sodium metabisulphite Nutrition 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910004879 Na2S2O5 Inorganic materials 0.000 description 1
- 208000013201 Stress fracture Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010349 cathodic reaction Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/005—Heat treatment of ferrous alloys containing Mn
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- 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
-
- 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
- C22C38/02—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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/001—Austenite
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials 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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPPCT/JP2016/005080 | 2016-12-08 | ||
PCT/JP2016/005080 WO2018104984A1 (ja) | 2016-12-08 | 2016-12-08 | 高Mn鋼板およびその製造方法 |
PCT/JP2017/043245 WO2018105510A1 (ja) | 2016-12-08 | 2017-12-01 | 高Mn鋼板およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112019010870A2 BR112019010870A2 (pt) | 2019-10-01 |
BR112019010870B1 true BR112019010870B1 (pt) | 2023-04-11 |
Family
ID=62490939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112019010870-0A BR112019010870B1 (pt) | 2016-12-08 | 2017-12-01 | Placa de aço de alto mn e método de fabricação para a mesma |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP3553195B1 (ja) |
JP (1) | JP6418358B1 (ja) |
KR (2) | KR102309644B1 (ja) |
CN (1) | CN110050082B (ja) |
BR (1) | BR112019010870B1 (ja) |
PH (1) | PH12019501270A1 (ja) |
TW (1) | TWI653343B (ja) |
WO (2) | WO2018104984A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101889185B1 (ko) * | 2016-12-21 | 2018-08-16 | 주식회사 포스코 | 성형성 및 피로특성이 우수한 열연강판 및 그 제조방법 |
MY192988A (en) * | 2018-08-03 | 2022-09-20 | Jfe Steel Corp | High-mn steel and method for producing same |
WO2020035917A1 (ja) * | 2018-08-15 | 2020-02-20 | Jfeスチール株式会社 | 鋼板およびその製造方法 |
MY196194A (en) * | 2018-08-28 | 2023-03-22 | Jfe Steel Corp | Steel Plate and Method of Producing Same |
KR102507276B1 (ko) * | 2018-09-12 | 2023-03-07 | 제이에프이 스틸 가부시키가이샤 | 강재 및 그의 제조 방법 |
MY194355A (en) * | 2019-02-12 | 2022-11-29 | Jfe Steel Corp | High-mn steel and manufacturing method therefor |
WO2020189762A1 (ja) * | 2019-03-19 | 2020-09-24 | Jfeスチール株式会社 | 高マンガン鋼鋳片の製造方法、高マンガン鋼鋼片および高マンガン鋼鋼板の製造方法 |
WO2021033694A1 (ja) | 2019-08-21 | 2021-02-25 | Jfeスチール株式会社 | 鋼およびその製造方法 |
US20230077573A1 (en) * | 2020-02-27 | 2023-03-16 | Nippon Steel Stainless Steel Corporation | Stainless steel for metal foils, stainless steel foil, and methods for producing them |
CN112853194B (zh) * | 2021-01-06 | 2022-05-13 | 鞍钢股份有限公司 | 一种可控氮的高锰钢钒合金化方法 |
JP7338792B2 (ja) * | 2021-02-08 | 2023-09-05 | Jfeスチール株式会社 | 鋼材およびその製造方法、タンクおよびその製造方法 |
CN116926443A (zh) * | 2022-04-07 | 2023-10-24 | 南京钢铁股份有限公司 | 超低温钢及其热处理工艺和应用 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5623259A (en) * | 1979-08-03 | 1981-03-05 | Sumitomo Metal Ind Ltd | Nickel-free high manganese cast steel for low temperature use |
JPS57164970A (en) * | 1981-04-03 | 1982-10-09 | Kobe Steel Ltd | Nonmagnetic high mn-cr steel |
JPS5896853A (ja) * | 1981-11-17 | 1983-06-09 | Sumitomo Metal Ind Ltd | 耐食性および機械加工性に優れた極低温用高Mn鋼 |
WO2013100614A1 (ko) | 2011-12-27 | 2013-07-04 | 주식회사 포스코 | 피삭성 및 용접 열영향부 극저온 인성이 우수한 오스테나이트계 강재 및 그의 제조방법 |
KR101543916B1 (ko) * | 2013-12-25 | 2015-08-11 | 주식회사 포스코 | 표면 가공 품질이 우수한 저온용강 및 그 제조 방법 |
WO2016052397A1 (ja) * | 2014-10-01 | 2016-04-07 | 新日鐵住金株式会社 | 高強度油井用鋼材および油井管 |
JP6645103B2 (ja) * | 2014-10-22 | 2020-02-12 | 日本製鉄株式会社 | 高Mn鋼材及びその製造方法 |
JP6693217B2 (ja) * | 2015-04-02 | 2020-05-13 | 日本製鉄株式会社 | 極低温用高Mn鋼材 |
-
2016
- 2016-12-08 WO PCT/JP2016/005080 patent/WO2018104984A1/ja active Application Filing
-
2017
- 2017-12-01 KR KR1020217017558A patent/KR102309644B1/ko active Active
- 2017-12-01 CN CN201780075814.3A patent/CN110050082B/zh active Active
- 2017-12-01 KR KR1020197015408A patent/KR20190077470A/ko not_active Ceased
- 2017-12-01 BR BR112019010870-0A patent/BR112019010870B1/pt active IP Right Grant
- 2017-12-01 EP EP17879107.5A patent/EP3553195B1/en active Active
- 2017-12-01 JP JP2018512637A patent/JP6418358B1/ja active Active
- 2017-12-01 WO PCT/JP2017/043245 patent/WO2018105510A1/ja unknown
- 2017-12-07 TW TW106142964A patent/TWI653343B/zh active
-
2019
- 2019-06-06 PH PH12019501270A patent/PH12019501270A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP3553195B1 (en) | 2021-05-19 |
KR102309644B1 (ko) | 2021-10-06 |
CN110050082A (zh) | 2019-07-23 |
CN110050082B (zh) | 2021-06-22 |
BR112019010870A2 (pt) | 2019-10-01 |
JP6418358B1 (ja) | 2018-11-07 |
PH12019501270A1 (en) | 2019-12-16 |
EP3553195A1 (en) | 2019-10-16 |
WO2018105510A1 (ja) | 2018-06-14 |
WO2018104984A1 (ja) | 2018-06-14 |
KR20190077470A (ko) | 2019-07-03 |
KR20210072140A (ko) | 2021-06-16 |
JPWO2018105510A1 (ja) | 2018-12-06 |
EP3553195A4 (en) | 2019-10-16 |
TWI653343B (zh) | 2019-03-11 |
TW201825694A (zh) | 2018-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR112019010870B1 (pt) | Placa de aço de alto mn e método de fabricação para a mesma | |
BR112019013803A2 (pt) | tubo de aço inoxidável sem costura de alta resistência e método de produção do mesmo | |
BR112019019598B1 (pt) | Chapa de aço austenítica resistente ao desgaste | |
BR112013000436B1 (pt) | Chapa de aço com ni adicionado e método de produção da mesma | |
BR112018070771B1 (pt) | Placa de aço resistente à abrasão e seu método de produção | |
BR112019004836B1 (pt) | Tubo de aço contínuo de alta resistibilidade para poço de petróleo, e método para produção do mesmo | |
BR112019022088A2 (pt) | aço alto mn e método de produção do mesmo | |
BR112017017291B1 (pt) | Chapa de aço laminada a quente | |
BR112017004534B1 (pt) | tubo de aço sem costura de alta resistência para produtos tubulares para a indústria petrolífera e método de fabricação do mesmo | |
BR112020014081A2 (pt) | aço resistente à abrasão e método para a sua produção | |
BRPI0923080B1 (pt) | Aço inoxidável ferrítico-austenítico | |
BR112017009632B1 (pt) | tubo de aço sem costura de alta resistência para produtos tubulares para indústria petrolífera e método para produzir o mesmo | |
BR122017004300B1 (pt) | Method of production of a high resistance steel sheet | |
BR112016000669B1 (pt) | Tubo de aço de alta resistência para poço de petróleo e tubos de poço de petróleo | |
BR112020011210B1 (pt) | Aço com alto teor de manganês (mn) e método para fabricação do mesmo | |
EP3006587A1 (en) | Thick steel sheet having excellent ctod properties in multi-layer welded joints and method for producing same | |
BR112012005005B1 (pt) | Aço inoxidável dúplex | |
CN115349024A (zh) | 不锈钢无缝钢管和不锈钢无缝钢管的制造方法 | |
BR112013022812B1 (pt) | aço inoxidável duplex | |
BR112016001817B1 (pt) | Placa espessa de aço e método para fabricar a mesma | |
KR20180125566A (ko) | Ni-Fe-Cr 합금 | |
BR112014014401B1 (pt) | Material de aço para soldagem com alta entrada de calor | |
BR112021001434A2 (pt) | aço com alto teor de manganês e método de produção do mesmo | |
CN117120653A (zh) | 不锈钢管及其制造方法 | |
JP3574903B2 (ja) | 熱間加工性に優れた高合金オーステナイト系ステンレス鋼 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
B06W | Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette] | ||
B350 | Update of information on the portal [chapter 15.35 patent gazette] | ||
B06A | Patent application procedure suspended [chapter 6.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 01/12/2017, OBSERVADAS AS CONDICOES LEGAIS |