BR112018073094A2 - trilho - Google Patents
trilhoInfo
- Publication number
- BR112018073094A2 BR112018073094A2 BR112018073094A BR112018073094A BR112018073094A2 BR 112018073094 A2 BR112018073094 A2 BR 112018073094A2 BR 112018073094 A BR112018073094 A BR 112018073094A BR 112018073094 A BR112018073094 A BR 112018073094A BR 112018073094 A2 BR112018073094 A2 BR 112018073094A2
- Authority
- BR
- Brazil
- Prior art keywords
- rail
- depth
- peripheral surface
- present
- portion ranging
- Prior art date
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
- C22C38/60—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
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] electric arc furnace
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/52—Manufacture of steel in electric furnaces
- C21C5/5264—Manufacture of alloyed steels including ferro-alloys
-
- 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
- C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
-
- 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
- C22C38/10—Ferrous alloys, e.g. steel alloys containing cobalt
-
- 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
- C22C38/14—Ferrous alloys, e.g. steel alloys containing 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
- C22C38/16—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
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0006—Adding metallic additives
- C21C2007/0012—Lead
-
- 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
- C21D2211/004—Dispersions; Precipitations
-
- 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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
a presente invenção refere-se ao trilho de acordo com um aspecto da presente invenção que é produzido através de fabricação de aço pela fusão usando um forno elétrico, e contém componentes químicos nas respectivas quantidades dentro de determinadas faixas, em particular, contém 0,0003% a 0,0020% de pb. na cabeça do trilho, 95 % de área ou mais de uma porção que varia a partir da superfície periférica até uma profundidade de 20 mm é representada por uma estrutura de perlita, e a porção que varia a partir da superfície periférica até uma profundidade de 20 mm tem uma dureza na faixa de 300 a 500 hv.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016100119 | 2016-05-19 | ||
PCT/JP2017/018873 WO2017200096A1 (ja) | 2016-05-19 | 2017-05-19 | レール |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112018073094A2 true BR112018073094A2 (pt) | 2019-03-06 |
Family
ID=60325375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112018073094A BR112018073094A2 (pt) | 2016-05-19 | 2017-05-19 | trilho |
Country Status (3)
Country | Link |
---|---|
US (1) | US10995396B2 (pt) |
BR (1) | BR112018073094A2 (pt) |
WO (1) | WO2017200096A1 (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6631403B2 (ja) * | 2016-05-19 | 2020-01-15 | 日本製鉄株式会社 | 耐摩耗性および靭性に優れたレール |
AT521405B1 (de) * | 2018-07-10 | 2021-09-15 | Voestalpine Schienen Gmbh | Gleisteil aus einem hypereutektoiden Stahl |
CN114855082B (zh) * | 2022-04-26 | 2023-06-20 | 包头钢铁(集团)有限责任公司 | 一种稀土元素提高热轧u75v钢轨低温韧性制造方法 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57198216A (en) | 1981-05-27 | 1982-12-04 | Nippon Kokan Kk <Nkk> | Manufacture of high-strength rail |
JP2809677B2 (ja) * | 1989-03-22 | 1998-10-15 | 日立金属株式会社 | 転造ダイス用鋼 |
JPH05263121A (ja) | 1992-03-19 | 1993-10-12 | Nippon Steel Corp | 高炭素高清浄溶鋼の製造方法 |
JP3113137B2 (ja) | 1993-12-20 | 2000-11-27 | 新日本製鐵株式会社 | パーライト金属組織を呈した高靭性レールの製造法 |
JP3078461B2 (ja) | 1994-11-15 | 2000-08-21 | 新日本製鐵株式会社 | 高耐摩耗パーライト系レール |
JP2001040453A (ja) | 1999-07-27 | 2001-02-13 | Nippon Steel Corp | 靭性に優れた高強度パーライト系レールおよびその製造方法 |
JP3487234B2 (ja) * | 1999-08-23 | 2004-01-13 | 住友金属工業株式会社 | 継目無鋼管用高炭素鋼片の製造方法 |
JP2001220651A (ja) | 2000-02-08 | 2001-08-14 | Nkk Corp | 耐ヘビーシェリング損傷性に優れたレール |
JP2001234238A (ja) | 2000-02-18 | 2001-08-28 | Nippon Steel Corp | 高耐摩耗・高靭性レールの製造方法 |
JP2002226915A (ja) | 2001-02-01 | 2002-08-14 | Nippon Steel Corp | 高耐摩耗・高靭性レールの製造方法 |
KR101314338B1 (ko) | 2009-08-18 | 2013-10-04 | 신닛테츠스미킨 카부시키카이샤 | 펄라이트계 레일 |
PL2578716T3 (pl) * | 2010-06-07 | 2020-04-30 | Nippon Steel Corporation | Szyna stalowa |
AU2013275213B2 (en) * | 2012-06-14 | 2015-09-17 | Nippon Steel Corporation | Rail |
-
2017
- 2017-05-19 US US16/098,987 patent/US10995396B2/en active Active
- 2017-05-19 BR BR112018073094A patent/BR112018073094A2/pt not_active Application Discontinuation
- 2017-05-19 WO PCT/JP2017/018873 patent/WO2017200096A1/ja active Application Filing
Also Published As
Publication number | Publication date |
---|---|
US10995396B2 (en) | 2021-05-04 |
WO2017200096A1 (ja) | 2017-11-23 |
US20190161839A1 (en) | 2019-05-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B25D | Requested change of name of applicant approved |
Owner name: NIPPON STEEL CORPORATION (JP) |
|
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] | ||
B11B | Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements |