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WO2004083464A1 - Procede d'alliage direct de l'acier - Google Patents

Procede d'alliage direct de l'acier Download PDF

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Publication number
WO2004083464A1
WO2004083464A1 PCT/RU2004/000099 RU2004000099W WO2004083464A1 WO 2004083464 A1 WO2004083464 A1 WO 2004083464A1 RU 2004000099 W RU2004000099 W RU 2004000099W WO 2004083464 A1 WO2004083464 A1 WO 2004083464A1
Authority
WO
WIPO (PCT)
Prior art keywords
supplied
alloying
maρgantsa
steel
sτali
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/RU2004/000099
Other languages
English (en)
Russian (ru)
Inventor
Andrei Andreevich Morozov
Rafkat Spartakovich Takhautdinov
Anatoly Yakovlevich Nakonechny
Vladimir Nikolaevich Urtsev
Dim Maratovich Khabibulin
Felix Vilenovich Kaptsan
Sergei Nikolaevich Anikeev
Sergei Iosifovich Platov
Vadim Yurievich Shtol
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Obschestvo S Ogranichennoi Otvetstvennostyu 'issledovatelsko-Tekhnologichesky Tsentr 'ausferr'
Original Assignee
Obschestvo S Ogranichennoi Otvetstvennostyu 'issledovatelsko-Tekhnologichesky Tsentr 'ausferr'
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 Obschestvo S Ogranichennoi Otvetstvennostyu 'issledovatelsko-Tekhnologichesky Tsentr 'ausferr' filed Critical Obschestvo S Ogranichennoi Otvetstvennostyu 'issledovatelsko-Tekhnologichesky Tsentr 'ausferr'
Priority to HK06111536.2A priority Critical patent/HK1090957B/xx
Priority to AT0910704A priority patent/AT502312B1/de
Priority to BRPI0408524-8A priority patent/BRPI0408524A/pt
Priority to UA20040907630A priority patent/UA73898C2/uk
Priority to CA2559154A priority patent/CA2559154C/fr
Publication of WO2004083464A1 publication Critical patent/WO2004083464A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • C21C5/28—Manufacture of steel in the converter
    • 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
    • C21C7/04—Removing impurities by adding a treating agent
    • 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

Definitions

  • the invention is not available in the case of black metal, and may have been discontinued with the use of alloying 5.
  • the method of alloying became known to be manganese, including the smelting me ⁇ alla in s ⁇ ale ⁇ laviln ⁇ m ag ⁇ ega ⁇ e, vy ⁇ us ⁇ me ⁇ alla in ⁇ vsh, ⁇ dachu legi ⁇ uyuschi ⁇ ma ⁇ e ⁇ ial ⁇ v and ⁇ duv ⁇ u ine ⁇ nym gaz ⁇ m, ⁇ i e ⁇ m ⁇ sle vshus ⁇ a me ⁇ alla in ⁇ vsh on ⁇ ve ⁇ n ⁇ s ⁇ ⁇ as ⁇ lava ⁇ dayu ⁇ mal ⁇ s ⁇ is ⁇ y ma ⁇ ganetss ⁇ de ⁇ zhaschy shla ⁇ ⁇ e ⁇ s ⁇ lavn ⁇ g ⁇ ⁇ izv ⁇ ds ⁇ va, and v ⁇ ss ⁇ an ⁇ vi ⁇ el izves ⁇ in ⁇ liches ⁇ ve 5 ⁇ bes ⁇ echivayuschem ⁇ sn ⁇ vn ⁇ s ⁇ shla ⁇ a in in ⁇ e ⁇ vale 2.0 -3.5 and additionally supply
  • Organic manganese in the small-sized manganese-containing slag of the organic product is in the form of a chemical compound ⁇ 8 ⁇ 3 .
  • the initial deoxidation and alloying of the metal is known to exist in the steelmaking plant in the case of oxidatively low molybdenum and is very high. This is not only a result of 0 oxidizing agents and alloys, which are in contact with iron oxides in slag, but also have a high concentration of non-metallic, but it is non-metallic Further processing of the metal in the steel is somewhat more expensive than the known method of disposing of manganese from the United States by consuming foreign matter. The process of restoring manganese leads to a diffused mode, which inevitably requires an additional time for it. In addition, the product obtained earlier in the steelmaking complex of silicates, aluminates and sulphides is being refined.
  • the basic task of the invention was to improve the method of legally facilitating steel production by optimizing the process.
  • ⁇ zhidaemy ⁇ e ⁇ niches ⁇ y ⁇ ezul ⁇ a ⁇ - s ⁇ zdanie blag ⁇ iya ⁇ ny ⁇ ⁇ izi ⁇ - ⁇ imiches ⁇ i ⁇ and ⁇ em ⁇ e ⁇ a ⁇ u ⁇ ny ⁇ usl ⁇ vy, ⁇ bes ⁇ echivayuschi ⁇ sin ⁇ nn ⁇ s ⁇ ⁇ lavleniya ⁇ davaemy ⁇ 0 ma ⁇ e ⁇ ial ⁇ v and ⁇ tsessa v ⁇ ss ⁇ an ⁇ vleniya, ch ⁇ ⁇ iv ⁇ di ⁇ ⁇ ⁇ v ⁇ eniyu usv ⁇ eniya me ⁇ all ⁇ m legi ⁇ uyuschi ⁇ elemen ⁇ v, reduce zag ⁇ yaznenn ⁇ s ⁇ i s ⁇ ali neme ⁇ alliches ⁇ imi v ⁇ lyucheniyami and ⁇ v ⁇ eniyu
  • Tseles ⁇ b ⁇ azn ⁇ ⁇ i ⁇ susches ⁇ vlenii ⁇ tsessa ⁇ yam ⁇ g ⁇ legi ⁇ vaniya s ⁇ ali 0 s ⁇ ale ⁇ laviln ⁇ m ag ⁇ ega ⁇ e in neg ⁇ d ⁇ lni ⁇ eln ⁇ ⁇ dava ⁇ shla ⁇ b ⁇ azuyuschie and is ⁇ lzuemy in ⁇ aches ⁇ ve v ⁇ ss ⁇ an ⁇ vi ⁇ elya ugle ⁇ ds ⁇ de ⁇ zhaschy ma ⁇ e ⁇ ial vv ⁇ di ⁇ in ⁇ liches ⁇ ve, vyb ⁇ ann ⁇ m of s ⁇ n ⁇ sheniya ma ⁇ e ⁇ iala, s ⁇ de ⁇ zhascheg ⁇ neme ⁇ alliches ⁇ ie s ⁇ edineniya legi ⁇ uyuschi ⁇ elemen ⁇ v ⁇ shla ⁇ b ⁇ azuyuschim and ugle ⁇ ds ⁇ de ⁇ zhaschemu ma ⁇ e ⁇ ial
  • Feasible alloying and steelmaking in the steelmaking aggregate is a material containing non-metallic compounds, alloying and non-oxidizing minerals the weight of each product, which consists of all the materials supplied, makes up 0.01-0.02 of the mass of liquid metal.
  • Tseles ⁇ b ⁇ azn ⁇ ⁇ i legi ⁇ vanii s ⁇ ali ⁇ m ⁇ m in s ⁇ ale ⁇ azliv ⁇ chn ⁇ m ⁇ vshe in ⁇ aches ⁇ ve neme ⁇ alliches ⁇ i ⁇ s ⁇ edineny d ⁇ ugi ⁇ elemen ⁇ v is ⁇ lz ⁇ va ⁇ ⁇ sidy ⁇ ma, ⁇ ye sledue ⁇ ⁇ dava ⁇ in ⁇ vsh v ⁇ v ⁇ emya vy ⁇ us ⁇ a zhid ⁇ g ⁇ me ⁇ alla, ⁇ i e ⁇ m to increase s ⁇ de ⁇ zhaniya ma ⁇ gantsa and ⁇ ma in g ⁇ v ⁇ y s ⁇ ali ⁇ azhdye to 0.1% ⁇ sidy ⁇ ma ⁇ dava ⁇ with a product selected from the supply of 5 manganese to a circuit in a material that contains a non-metallic compound, the component is 1.1 to 1.2% ava
  • the method of direct alloying has become the following: steelmaking unit, such as an oxygen furnace, a blast furnace or other. It delivers molten iron, then slag-forming materials 0 (lime, fineness, fused joint), after which the alloy is blown off with acid. After removal of the oxidative slag on the conversion of liquid metal, the material containing manganese oxides, the non-metallic compound is non-metallic, the material is non-corrosive On the part of the material containing non-metallic compounds of 5 manganese, use manganese ore, concentrate, agglomerate, slag from the ore are consumed.
  • steelmaking unit such as an oxygen furnace, a blast furnace or other. It delivers molten iron, then slag-forming materials 0 (lime, fineness, fused joint), after which the alloy is blown off with acid. After removal of the oxidative slag on the conversion of liquid metal, the material containing manganese oxides, the non-metallic compound is non-metallic, the material
  • alloying elements and the remover. This contributes to the intensive flow of liquid reaction of the recovery of alloying elements.
  • alloying elements results in a melting point of 0 material, containing manganese oxide, non-metallic compounds and / or 12
  • P ⁇ i ⁇ susches ⁇ vlenii ⁇ tsessa ⁇ yam ⁇ g ⁇ legi ⁇ vaniya s ⁇ ali 5 s ⁇ ale ⁇ laviln ⁇ m ag ⁇ ega ⁇ e, na ⁇ ime ⁇ in ⁇ nve ⁇ e ⁇ e, ⁇ sle ⁇ nchaniya ⁇ a ⁇ ini ⁇ v ⁇ chn ⁇ g ⁇ ⁇ e ⁇ i ⁇ da ⁇ duv ⁇ i and d ⁇ s ⁇ izheniya ⁇ em ⁇ e ⁇ a ⁇ u ⁇ y zhid ⁇ g ⁇ me ⁇ alla ⁇ ev ⁇ ayuschey ⁇ em ⁇ e ⁇ a ⁇ u ⁇ u vy ⁇ us ⁇ a, ⁇ izv ⁇ dya ⁇ removal ⁇ isli ⁇ eln ⁇ g ⁇ shla ⁇ a.
  • ⁇ ⁇ aches ⁇ ve ma ⁇ e ⁇ iala, s ⁇ de ⁇ zhascheg ⁇ neme ⁇ alliches ⁇ ie s ⁇ edineniya legi ⁇ uyuschi ⁇ elemen ⁇ v is ⁇ lzuyu ⁇ ⁇ us ⁇ vuyu ⁇ udu, ⁇ ntsen ⁇ a ⁇ , agl ⁇ me ⁇ a ⁇ , ⁇ eimusches ⁇ venn ⁇ ⁇ a ⁇ tsi ⁇ nn ⁇ g ⁇ s ⁇ s ⁇ ava 20-50 mm
  • ⁇ aches ⁇ ve shla ⁇ b ⁇ azuyuschi ⁇ 5 is ⁇ lzuyu ⁇ svezhe ⁇ b ⁇ zhzhennuyu izves ⁇ and vv ⁇ dimy in ⁇ aches ⁇ ve v ⁇ ss ⁇ an ⁇ vi ⁇ elya ugle ⁇ ds ⁇ de ⁇ zhaschy ma ⁇ e ⁇ ial ⁇ dayu ⁇ as ⁇ sa, coal, ⁇ a ⁇ bid
  • the gaseous product of all of the reaction processes is carbon monoxide, which quickly discharges slag, intensifying its operation. 14
  • the upper part of the metal is equipped with an energetic absorption of basic metal elements of the installed elements.
  • each product is equal to 0.01-0.02 of the mass of liquid metal due to the lack of supply to the consumer.
  • the metal temperature in the area of the reaction practically excludes the formation of the polluting atom of the gas processing unit 2 and ⁇ .
  • Aluminum oxide 1 2 ⁇ 3 resulting from the reaction binds to easily removable Ca ⁇ compounds. 5
  • the process of direct alloying has become the following.
  • non-metallic inclusions increase of metal contamination with non-metallic inclusions.
  • ⁇ a steel-supplied part is supplied as a part of the aluminum market, 0 is supplied with a calcium carbide, in proportion to 1: (2.9-3.2).
  • the method of direct alloying became manganese and was carried out in the 250th part of the country. They supplied liquid cast iron with the following chemical composition, mass. %: C - 4.42; ⁇ - 0.82; ⁇ - 0.020; ⁇ - 0.095, iron - other, and slag-forming materials, as a result of which they were used, the following chemical composition was used, mass. %: Ca ⁇ - 92.0; ⁇ - 6.5; Other common impurities ( ⁇ . ⁇ . ⁇ .) - Other.
  • the material containing manganese oxides and other non-metallic compounds of manganese used material, while the total content of manganese was only 44%. % ⁇ 5 on the quality of the material containing non-metallic compounds of other alloying elements, we used oxide of coke, containing 70.81 mass. %: Cr 2 0 3 . ⁇ réelle
  • aluminum-based and carbon-based materials were used. On the basis of the quality of the aluminum-containing material, we took all the slag of aluminum products from the following chemical composition, 0 mass. %: ⁇ 1 metal all l - 44.8; ⁇ . ⁇ . ⁇ .
  • alloying elements carried out the process of melting the mixture supplied by the material, ensuring the constant share of the molten part of the distributor and the redistributor For the production of steel, the required chemical composition became necessary, the necessary alloying additives (copper and nickel) were supplied to the investor, and the oxidizing agent was supplied to you.
  • the finished steel was poured into bars weighing 12.5 tons, they were simply rolled onto sheets with a thickness of 10–20 mm and were subjected to metal research.
  • the steelmaking was launched in the 160th turn. According to the technical task - melting is necessary to produce at a temperature of 5 1630 ° C, with a carbon content of 0.03-0.05%, manganese - 0.55%. On the contrary, cast iron was poured in a quantity of 146 ⁇ . The plant is filled with cast iron of 1410 ° ⁇ , chemical composition, wt.%: ⁇ - 4,2; ⁇ - 0.85; ⁇ - 0.57; ⁇ - 0.016; ⁇ - 0.021.
  • Za ⁇ em ⁇ duvali ⁇ as ⁇ lav ⁇ isl ⁇ d ⁇ m with ⁇ as ⁇ d ⁇ m 120 ⁇ m 3 / min ⁇ echenie 22 min d ⁇ d ⁇ s ⁇ izheniya ⁇ em ⁇ e ⁇ a ⁇ u ⁇ y ⁇ as ⁇ lava, ⁇ evyshayuschey ⁇ em ⁇ e ⁇ a ⁇ u ⁇ u vy ⁇ us ⁇ a s ⁇ glasn ⁇ 0 ⁇ e ⁇ n ⁇ l ⁇ giches ⁇ mu orders by an amount ⁇ uyu ⁇ edelyali of vy ⁇ azheniya: ⁇ 33 [ ⁇ ], where: ⁇ - value ⁇ evysheniya ⁇ em ⁇ e ⁇ a ⁇ u ⁇ y production, ° C; [ ⁇ ] - quantitatively re-established manganese from materials containing non-metallic manganese compounds,%; 33 - empirical coefficient.
  • ⁇ Play ⁇ divided the value [ ⁇ ], ⁇ aya equal to 0.55-0.05 0.5%.
  • the finished steel was poured into bars weighing 12.5 tons, which was quickly poured onto sheets with a thickness of 10–20 mm and was subjected to metal research.
  • the resulting steel had the following chemical composition, wt.%: C - 0.11; ⁇ - 0.17; ⁇ - 0.54; ⁇ is 0.006; ⁇ - 0.007; ⁇ 1 - 0.023; Cr - 0.61; ⁇ - 0.70; Cu - 0.53; Lesson 5 is the rest.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)

Abstract

Le procédé d'alliage direct de l'acier appartient au domaine de la métallurgie ferreuse et peut s'utiliser dans la fabrication d'acier par alliage direct. Le procédé de fabrication d'acier par alliage direct comprend la production d'acier par fusion dans une installation de production d'acier par fusion, l'alliage de l'acier par le manganèse au moyen de la réduction du manganèse à partir d'oxydes lors de l'alimentation du matériau contenant des oxydes de manganèse et son agent réducteur, et leur interaction. La réduction du manganèse à partir des oxydes se fait en parallèle avec la réduction d'autres éléments d'alliage à partir du métal en fusion alimenté en surface et contenant des compositions non métalliques de ces éléments et/ou avec la réduction du manganèse à partir du matériau contenant d'autres compositions non métalliques du manganèse. On commence à introduire le manganèse lorsque la hauteur de la couche de matériaux alimentés contenant des compositions non métalliques d'éléments d'alliage atteint une valeur égale à 0,1 - 0,15 de la hauteur totale de la couche, et on maintient une température du processus de réduction égale à la température de fusion du matériau alimenté, on assure le contact permanent de la partie en fusion de l'agent réducteur et de la partie en fusion du matériau alimenté qui contient des compositions non métalliques des éléments d'alliage. L'agent réducteur est alimenté dans des quantités assurant une valeur thermique nécessaire du mélange des matériaux alimentés et du réducteur. Le procédé de l'invention permet une absorption élevée par le métal des éléments d'alliage, réduit la contamination de l'acier par les impuretés non métalliques et augmente la qualité de l'acier.
PCT/RU2004/000099 2003-03-20 2004-03-16 Procede d'alliage direct de l'acier Ceased WO2004083464A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
HK06111536.2A HK1090957B (en) 2003-03-20 2004-03-16 Method for a direct steel alloying
AT0910704A AT502312B1 (de) 2003-03-20 2004-03-16 Verfahren zur direkten stahllegierung
BRPI0408524-8A BRPI0408524A (pt) 2003-03-20 2004-03-16 método para formação direta de ligas de aço
UA20040907630A UA73898C2 (en) 2003-03-20 2004-03-16 A method for direct steel alloying
CA2559154A CA2559154C (fr) 2003-03-20 2004-03-16 Procede d'alliage direct de l'acier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2003107578 2003-03-20
RU2003107578/02A RU2231559C1 (ru) 2003-03-20 2003-03-20 Способ прямого легирования стали комплексом элементов

Publications (1)

Publication Number Publication Date
WO2004083464A1 true WO2004083464A1 (fr) 2004-09-30

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PCT/RU2004/000099 Ceased WO2004083464A1 (fr) 2003-03-20 2004-03-16 Procede d'alliage direct de l'acier

Country Status (8)

Country Link
KR (1) KR100802639B1 (fr)
CN (1) CN100540685C (fr)
AT (1) AT502312B1 (fr)
BR (1) BRPI0408524A (fr)
CA (1) CA2559154C (fr)
RU (1) RU2231559C1 (fr)
UA (1) UA73898C2 (fr)
WO (1) WO2004083464A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109022840A (zh) * 2018-07-17 2018-12-18 北京科技大学 一种再生铝合金显微组织控制方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1869888B1 (fr) 2005-04-13 2016-07-06 Nokia Technologies Oy Procede, dispositif et systeme permettant de coder et de decoder efficacement des donnees video
CN100434556C (zh) * 2006-09-26 2008-11-19 山西太钢不锈钢股份有限公司 高锰含量不锈钢在冶炼中的加锰方法
DE102007061062B4 (de) * 2007-12-14 2012-08-02 Peiner Träger GmbH Verfahren zum Erzeugen einer bis zu 30% Mangan enthaltenden Stahlschmelze
KR101300740B1 (ko) * 2011-12-08 2013-08-28 주식회사 포스코 페로망간 탈린 슬래그의 안정화 방법
RU2577885C1 (ru) * 2014-12-22 2016-03-20 Публичное акционерное общество "Северсталь" (ОАО "Северсталь") Способ производства стали (варианты)
WO2016172790A1 (fr) * 2015-04-26 2016-11-03 Hatch Ltd. Procédé et appareil de production d'aciers à teneur élevée en manganèse
CN115287390B (zh) * 2022-08-04 2023-08-22 重庆钢铁股份有限公司 一种转炉生产低磷中合金钢的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1508592A (en) * 1975-02-18 1978-04-26 Nixon I Manufacture of steel alloy steels and ferrous alloys
SU1044641A1 (ru) * 1982-06-18 1983-09-30 Донецкий Ордена Трудового Красного Знамени Политехнический Институт Способ легировани стали марганцем
US4772317A (en) * 1986-01-16 1988-09-20 Mannesmann Ag High alloy steel making
RU2096489C1 (ru) * 1995-06-19 1997-11-20 Акционерное общество открытого типа "НОСТА" (ОХМК) Способ производства стали в дуговых печах
RU2096491C1 (ru) * 1995-01-05 1997-11-20 Государственный Обуховский завод Способ производства стали

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RU2002816C1 (ru) * 1991-07-29 1993-11-15 Череповецкий металлургический комбинат Способ дегазации и десульфурации нержавеющей стали
RU2090625C1 (ru) * 1994-04-11 1997-09-20 Сибирская государственная горно-металлургическая академия Брикет для прямого легирования стали

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1508592A (en) * 1975-02-18 1978-04-26 Nixon I Manufacture of steel alloy steels and ferrous alloys
SU1044641A1 (ru) * 1982-06-18 1983-09-30 Донецкий Ордена Трудового Красного Знамени Политехнический Институт Способ легировани стали марганцем
US4772317A (en) * 1986-01-16 1988-09-20 Mannesmann Ag High alloy steel making
RU2096491C1 (ru) * 1995-01-05 1997-11-20 Государственный Обуховский завод Способ производства стали
RU2096489C1 (ru) * 1995-06-19 1997-11-20 Акционерное общество открытого типа "НОСТА" (ОХМК) Способ производства стали в дуговых печах

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109022840A (zh) * 2018-07-17 2018-12-18 北京科技大学 一种再生铝合金显微组织控制方法

Also Published As

Publication number Publication date
CA2559154C (fr) 2010-05-18
CA2559154A1 (fr) 2004-09-30
BRPI0408524A (pt) 2006-03-07
AT502312A1 (de) 2007-02-15
HK1090957A1 (zh) 2007-01-05
CN100540685C (zh) 2009-09-16
UA73898C2 (en) 2005-09-15
KR100802639B1 (ko) 2008-02-13
AT502312B1 (de) 2010-03-15
RU2231559C1 (ru) 2004-06-27
CN1761763A (zh) 2006-04-19
KR20060012266A (ko) 2006-02-07

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