FI20110200L - Menetelmä pelkistymisasteen parantamiseksi ferroseosta sulatettaessa - Google Patents
Menetelmä pelkistymisasteen parantamiseksi ferroseosta sulatettaessa Download PDFInfo
- Publication number
- FI20110200L FI20110200L FI20110200A FI20110200A FI20110200L FI 20110200 L FI20110200 L FI 20110200L FI 20110200 A FI20110200 A FI 20110200A FI 20110200 A FI20110200 A FI 20110200A FI 20110200 L FI20110200 L FI 20110200L
- Authority
- FI
- Finland
- Prior art keywords
- reduction
- ferroalloy
- degree
- improving
- melting
- Prior art date
Links
Classifications
-
- 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
- C21C5/005—Manufacture of stainless steel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
-
- 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
- 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
-
- 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
-
- 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
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/16—Sintering; Agglomerating
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/243—Binding; Briquetting ; Granulating with binders inorganic
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/06—Alloys based on chromium
-
- 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
- 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
-
- 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)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
Abstract
Keksintö kohdistuu menetelmään kromiittirikasteessa olevien metallikomponenttien pelkistymisasteen parantamiseksi ruostumattoman teräksen valmistukseen soveltuvaa ferroseosta sulatettaessa. Kromiitti rikaste syötetään yhdessä nikkelipitoisen raaka-aineen kanssa sulatusuuniin niin, että nikkelipitoisen raaka-aineen määrän avulla aikaansaadaan haluttu pelkistymisaste ferroseoksessa oleville metallikomponenteille.
Priority Applications (21)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20110200A FI123241B (fi) | 2011-06-13 | 2011-06-13 | Menetelmä pelkistymisasteen parantamiseksi ferroseosta sulatettaessa |
CN201280029431.XA CN103732774A (zh) | 2011-06-13 | 2012-06-08 | 改善铁合金熔炼中还原度的方法 |
RU2013154744/02A RU2600788C2 (ru) | 2011-06-13 | 2012-06-08 | Способ повышения степени восстановления при выплавке ферросплава |
US14/125,657 US20140116202A1 (en) | 2011-06-13 | 2012-06-08 | Method for improving the reduction degree in the smelting of ferroalloy |
SE1351487A SE538994C2 (sv) | 2011-06-13 | 2012-06-08 | Förfarande för att reglera reduktionsgraden vid framställning av en ferrolegering |
AU2012270290A AU2012270290B2 (en) | 2011-06-13 | 2012-06-08 | Method for improving the reduction degree in the smelting of ferroalloy |
KR1020167018517A KR20160087397A (ko) | 2011-06-13 | 2012-06-08 | 합금철의 제련에서의 환원 정도를 향상시키는 방법 |
BR112013031991A BR112013031991A8 (pt) | 2011-06-13 | 2012-06-08 | Método para melhorar a grau de redução na fundição de ferro-ligas |
DE112012002439.7T DE112012002439T5 (de) | 2011-06-13 | 2012-06-08 | Verfahren zur Verbesserung des Reduktionsgrads beim Schmelzen von Ferrolegierungen |
NO20140016A NO347489B1 (no) | 2011-06-13 | 2012-06-08 | Fremgangsmåte for å forbedre reduksjonsgraden i smelting av ferrolegeringer |
JP2014515237A JP6148230B2 (ja) | 2011-06-13 | 2012-06-08 | 合金鉄の熔錬における還元度の改善方法 |
EP12799733.6A EP2718476A4 (en) | 2011-06-13 | 2012-06-08 | METHOD FOR IMPROVING THE REDUCTION DEGREE IN THE FUSION OF A FERRO-ALLOY |
AP2013007314A AP3866A (en) | 2011-06-13 | 2012-06-08 | Method for improving the reduction degree in the smelting of ferroalloy |
KR1020137033113A KR20140012754A (ko) | 2011-06-13 | 2012-06-08 | 합금철의 제련에서의 환원 정도를 향상시키는 방법 |
CA2843210A CA2843210A1 (en) | 2011-06-13 | 2012-06-08 | Method for improving the reduction degree in the smelting of ferroalloy |
UAA201400170A UA115863C2 (uk) | 2011-06-13 | 2012-06-08 | Спосіб одержання феросплавів |
PCT/FI2012/050580 WO2012172168A1 (en) | 2011-06-13 | 2012-06-08 | Method for improving the reduction degree in the smelting of ferroalloy |
ATA9268/2012A AT513441B1 (de) | 2011-06-13 | 2012-06-08 | Verfahren zur Verbesserung des Reduktionsgrades beim Schmelzen von Ferrolegierung |
MX2013014524A MX2013014524A (es) | 2011-06-13 | 2012-06-08 | Metodo para mejorar el grado de reduccion en la fundicion de ferroaleaciones. |
TW101121078A TWI612147B (zh) | 2011-06-13 | 2012-06-13 | 熔煉鐵合金時提高還原度之方法 |
ZA2013/09401A ZA201309401B (en) | 2011-06-13 | 2013-12-12 | Method for improving the reduction degree in the smelting of ferroalloy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20110200 | 2011-06-13 | ||
FI20110200A FI123241B (fi) | 2011-06-13 | 2011-06-13 | Menetelmä pelkistymisasteen parantamiseksi ferroseosta sulatettaessa |
Publications (3)
Publication Number | Publication Date |
---|---|
FI20110200A0 FI20110200A0 (fi) | 2011-06-13 |
FI20110200L true FI20110200L (fi) | 2012-12-14 |
FI123241B FI123241B (fi) | 2013-01-15 |
Family
ID=44206736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20110200A FI123241B (fi) | 2011-06-13 | 2011-06-13 | Menetelmä pelkistymisasteen parantamiseksi ferroseosta sulatettaessa |
Country Status (20)
Country | Link |
---|---|
US (1) | US20140116202A1 (fi) |
EP (1) | EP2718476A4 (fi) |
JP (1) | JP6148230B2 (fi) |
KR (2) | KR20160087397A (fi) |
CN (1) | CN103732774A (fi) |
AP (1) | AP3866A (fi) |
AT (1) | AT513441B1 (fi) |
AU (1) | AU2012270290B2 (fi) |
BR (1) | BR112013031991A8 (fi) |
CA (1) | CA2843210A1 (fi) |
DE (1) | DE112012002439T5 (fi) |
FI (1) | FI123241B (fi) |
MX (1) | MX2013014524A (fi) |
NO (1) | NO347489B1 (fi) |
RU (1) | RU2600788C2 (fi) |
SE (1) | SE538994C2 (fi) |
TW (1) | TWI612147B (fi) |
UA (1) | UA115863C2 (fi) |
WO (1) | WO2012172168A1 (fi) |
ZA (1) | ZA201309401B (fi) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3319395B1 (en) | 2010-12-03 | 2023-05-03 | InterDigital Patent Holdings, Inc. | Method and apparatus for performing multi-radio access technology carrier aggregation |
CN110519847B (zh) | 2011-07-29 | 2023-11-24 | 交互数字专利控股公司 | 用于多无线电接入技术无线系统中的无线电资源管理的方法和设备 |
FI126718B (fi) * | 2013-12-17 | 2017-04-28 | Outotec Finland Oy | Menetelmä ferronikkeliprosessista tulevien pölyjen hyödyntämiseksi ja menetelmällä valmistetut sintratut pelletit |
CN105506271B (zh) * | 2014-09-24 | 2018-05-08 | 宝钢不锈钢有限公司 | 一种氩氧精炼炉还原用铬矿复合球团及其生产方法和应用 |
CN109477158A (zh) * | 2016-07-11 | 2019-03-15 | 奥图泰(芬兰)公司 | 制造具有不同的含锰、镍和钼的材料添加的含铬和铁的团块的方法 |
CN109477155A (zh) * | 2016-07-11 | 2019-03-15 | 奥图泰(芬兰)公司 | 制造具有所需的含量的锰、镍、钼的铁铬合金的方法 |
FI128814B (fi) * | 2016-12-30 | 2020-12-31 | Outotec Finland Oy | Menetelmä nikkeliä sisältävien kovetettujen kromiittipellettien tuottamiseksi, menetelmä ferrokrominikkeliseoksen tuottamiseksi ja kovetettu kromiittipelletti |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB759085A (en) * | 1953-06-05 | 1956-10-10 | Chromium Mining & Smelting Cor | Improvements in or relating to ferroalloying materials and process of preparing the same |
US3525604A (en) * | 1966-10-21 | 1970-08-25 | Edward M Van Dornick | Process for refining pelletized metalliferous materials |
JPS5335892B2 (fi) * | 1972-05-29 | 1978-09-29 | ||
ZA935789B (en) * | 1992-08-11 | 1994-03-03 | Mintek | The production of stainless steel. |
WO1997020954A1 (en) * | 1995-12-06 | 1997-06-12 | Wmc Resources Ltd. | Simplified duplex processing of nickel ores and/or concentrates for the production of ferronickels, nickel irons and stainless steels |
US5749939A (en) * | 1996-12-04 | 1998-05-12 | Armco Inc. | Melting of NI laterite in making NI alloyed iron or steel |
RU2190034C2 (ru) * | 2000-06-26 | 2002-09-27 | Региональное Уральское отделение Академии инженерных наук Российской Федерации | Способ выплавки сплавов из оксидосодержащих материалов |
CN1306049C (zh) * | 2005-09-16 | 2007-03-21 | 刘沈杰 | 不含结晶水的氧化镍矿经高炉冶炼镍铁工艺 |
CN1847440A (zh) * | 2006-04-25 | 2006-10-18 | 吴江市东大铸造有限公司 | 镍铬铁合金及生产方法 |
FI127721B (fi) * | 2009-02-11 | 2019-01-15 | Outokumpu Oy | Menetelmä nikkeliä sisältävän ferroseoksen valmistamiseksi |
RU2406767C1 (ru) * | 2009-04-08 | 2010-12-20 | Александр Валерьевич Кольба | Способ металлотермической плавки металлов и сплавов |
-
2011
- 2011-06-13 FI FI20110200A patent/FI123241B/fi active IP Right Grant
-
2012
- 2012-06-08 RU RU2013154744/02A patent/RU2600788C2/ru active
- 2012-06-08 UA UAA201400170A patent/UA115863C2/uk unknown
- 2012-06-08 AP AP2013007314A patent/AP3866A/en active
- 2012-06-08 JP JP2014515237A patent/JP6148230B2/ja active Active
- 2012-06-08 MX MX2013014524A patent/MX2013014524A/es unknown
- 2012-06-08 KR KR1020167018517A patent/KR20160087397A/ko active Search and Examination
- 2012-06-08 EP EP12799733.6A patent/EP2718476A4/en not_active Withdrawn
- 2012-06-08 WO PCT/FI2012/050580 patent/WO2012172168A1/en active Application Filing
- 2012-06-08 BR BR112013031991A patent/BR112013031991A8/pt not_active Application Discontinuation
- 2012-06-08 KR KR1020137033113A patent/KR20140012754A/ko active Application Filing
- 2012-06-08 CA CA2843210A patent/CA2843210A1/en not_active Abandoned
- 2012-06-08 SE SE1351487A patent/SE538994C2/sv unknown
- 2012-06-08 AU AU2012270290A patent/AU2012270290B2/en active Active
- 2012-06-08 DE DE112012002439.7T patent/DE112012002439T5/de active Pending
- 2012-06-08 CN CN201280029431.XA patent/CN103732774A/zh active Pending
- 2012-06-08 US US14/125,657 patent/US20140116202A1/en not_active Abandoned
- 2012-06-08 NO NO20140016A patent/NO347489B1/no unknown
- 2012-06-08 AT ATA9268/2012A patent/AT513441B1/de active
- 2012-06-13 TW TW101121078A patent/TWI612147B/zh active
-
2013
- 2013-12-12 ZA ZA2013/09401A patent/ZA201309401B/en unknown
Also Published As
Publication number | Publication date |
---|---|
TWI612147B (zh) | 2018-01-21 |
RU2600788C2 (ru) | 2016-10-27 |
AP3866A (en) | 2016-10-31 |
AU2012270290B2 (en) | 2017-02-02 |
US20140116202A1 (en) | 2014-05-01 |
EP2718476A4 (en) | 2014-11-05 |
CN103732774A (zh) | 2014-04-16 |
AT513441A2 (de) | 2014-04-15 |
AT513441A3 (de) | 2020-03-15 |
TW201303037A (zh) | 2013-01-16 |
AP2013007314A0 (en) | 2013-12-31 |
SE538994C2 (sv) | 2017-03-14 |
FI123241B (fi) | 2013-01-15 |
MX2013014524A (es) | 2014-02-19 |
DE112012002439T5 (de) | 2014-04-03 |
WO2012172168A1 (en) | 2012-12-20 |
AT513441B1 (de) | 2020-03-15 |
NO20140016A1 (no) | 2014-01-08 |
RU2013154744A (ru) | 2015-07-20 |
UA115863C2 (uk) | 2018-01-10 |
JP6148230B2 (ja) | 2017-06-14 |
CA2843210A1 (en) | 2012-12-20 |
SE1351487A1 (sv) | 2014-03-04 |
AU2012270290A1 (en) | 2014-01-09 |
EP2718476A1 (en) | 2014-04-16 |
ZA201309401B (en) | 2015-04-29 |
NO347489B1 (no) | 2023-11-20 |
FI20110200A0 (fi) | 2011-06-13 |
KR20160087397A (ko) | 2016-07-21 |
KR20140012754A (ko) | 2014-02-03 |
BR112013031991A8 (pt) | 2018-04-03 |
BR112013031991A2 (pt) | 2016-12-20 |
JP2014523966A (ja) | 2014-09-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI20110200L (fi) | Menetelmä pelkistymisasteen parantamiseksi ferroseosta sulatettaessa | |
MX343756B (es) | Microorganismo que produce o-fosfoserina y metodo para producir l-cisteina o derivados de la misma a partir de o-fosfoserina usando los mismos. | |
EP2578336A4 (en) | TITANIUM ALLOY COMPOSITE POWDER COMBINED WITH COPPER POWDER, CHROME POWDER OR IRON POWDER, TITANIUM ALLOY MATERIAL USING THE SAME AS RAW MATERIAL AND METHOD OF MAKING THE SAME | |
EP2796568A4 (en) | METHOD FOR PRODUCING BALLGRAPHITE CAST IRON, AND ITEM OBTAINED FROM THIS BALLGRAPHITE CAST IRON | |
EP2937429A4 (en) | FIXED-TYPE ELECTRIC FURNACE AND PROCESS FOR PRODUCING LIQUID STEEL | |
EP2679321A4 (en) | MELTING OVEN FOR MELTING METALS | |
FI20110180A0 (fi) | Menetelmä puuhiilen valmistamiseksi | |
EP2725109A4 (en) | ALLOY MATERIAL WITH DISTRIBUTED OXYGEN ATOMICS AND METAL ELEMENT FROM OXIDE PARTICLES AND PRODUCTION METHOD THEREFOR | |
ZA201307845B (en) | Method for the production of martensitic steel having a very high yield point and sheet or part thus obtained | |
BR112016030017A2 (pt) | pó fundente, escória fundente e processo para a fundição de aço | |
EP2930249A4 (en) | METHOD FOR OPERATING A HIGH YARD AND METHOD FOR PRODUCING MELTED RAW IRON | |
ZA201309058B (en) | Device for the closed-loop control of process gases in a plant for producing directly reduced metals ores | |
MX2013012585A (es) | Elemento refractario, ensamble y artesa refractaria para transferir metal fundido. | |
FI20125140A (fi) | Menetelmä sulakourun valmistamiseksi ja menetelmällä valmistettu sulakouru | |
EP2775003A4 (en) | PROCESS FOR PREPARING ANGRY AND METAL REFINING METHOD | |
EP2799163A4 (en) | MEL-Si-B-BASED ALLOY POWDER, METAL RAW POWDER AND METHOD FOR PRODUCING MEL-Si-B-BASED ALLOY POWDER | |
PL2573199T3 (pl) | Żeliwo austenityczne, produkt odlewniczy z żeliwa austenitycznego i sposób wytwarzania produktu odlewniczego | |
HUE046170T2 (hu) | Forraszanyag, eljárás elõállítására, és alkalmazása fém munkadarabok nyomás nélküli összeillesztésére | |
ZA201309363B (en) | Air hardenable shock-resistant steel alloys,method of making the alloys,and articles including the alloys. | |
WO2013092672A3 (en) | Method for recombinant production of labyrinthopeptins and functional derivatives thereof | |
EP2796567A4 (en) | TUBE ASSEMBLY AND MELT IRON MANUFACTURING APPARATUS USING THE SAME | |
EP2799558A4 (en) | IRON ORE POWDER REDUCTION DEVICE, DEVICE FOR PRODUCING MOLTEN IRON AND REDUCED IRON AND CORRESPONDING METHOD | |
PH12015501794A1 (en) | Ladle bottom and ladle | |
EP3015558A4 (en) | Production method for low-sulfur iron ore | |
IN2014DN11218A (fi) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Ref document number: 123241 Country of ref document: FI Kind code of ref document: B |