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Ferrochromium, alloy of chromium with 30 to 50 percent iron, used to incorporate chromium into steel. It is produced in an electric furnace using
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2008.8.5 英文标准名称： Ferrochromium 发布期 IssuanceDate： 2008-8-5 实施期 ExecuteDate： 2009-4-1 首次发布期 FirstIssuance Date： 1985-12-4 标准状态 StandardState： 现行 复审确认期
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Learn about ferrochromium, a ferroalloy containing chromium and iron, and its applications, properties, and production methods. Find chapters from books and articles from journals
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2023.1.15 Ferrochromium is an iron-chromium based alloy, metallic chromium percentage is around 60–65% in high carbon ferrochromium, with variable quantities of
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1 天前 Ferrochromium is made using metallurgical grade chrome ore and can be divided into three categories, depending on the level of carbon in the alloy. The three types of ferrochrome alloys are: High-carbon (HC)
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2020.9.24 The possibility of obtaining nitrided ferrochromium using plasma technology is shown. In all cases, ferrochromium is obtained with 1–2% dissolved
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2018.10.19 Explore all metrics. The structure, chemical and phase compositions, and process properties of the high-carbon ferrochromium powder produced by grinding the
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Chromite is main raw material for smelting ferrochromium. 铬铁矿是生产铬铁合金的重要原料。. This may be the reference for the processing of decarbonization of low-carbon ferrochromium melt in vacuum. 对微碳铬铁熔体真空脱碳处理有一定参考意义。. The process flowsheet, equipment parameter of jigging separation ...
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Ferrochrome –silicon is another chromium ferroalloy directly produced from chromite ores by carbothermic reduction in submerged arc furnace. The chromium content ranges from 34 to 42%, that of silicon from 38 to 45%, and that of carbon from 0.05 to 0.06%. The mix order is similar to that of smelting high-carbon ferrochromium except that it ...
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1996.4.1 In ferrochromium upgraded by carbon content reduction, the eutectic M 7 C 3 hexagonal carbides are partly replaced by M 23 C 6 dendritic carbides. The presence of dendritic carbides in the ferrochromium eutectic microstructure can be interpreted as a proof of a lower carbon content, raising the commercial value of the ferroalloy.
Read More2023.3.5 Ferrochromium slag (FCS) is the primary by-product from ferrochromium alloy smelting, and the output of FCS is approximately 1.1–1.6 tons per ton of ferrochrome alloy. Meanwhile, slag production is relatively higher for low-carbon ferrochrome, which is 2.4–2.5 tons per ton of metal [27].
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2020.9.24 The possibility of obtaining nitrided ferrochromium using plasma technology is shown. In all cases, ferrochromium is obtained with 1–2% dissolved nitrogen, evenly distributed over the height of the ingot. Nitrided sintered ferrochromium (Table 7.18) is a nitrogen-saturated powder (4–10% N) of high-carbon ferrochromium decarburized in
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2020.7.23 Green glazes were successfully prepared using ferrochromium slag waste as chromium and iron precursors by introducing Co2O3 as coloring agent. The performance of the glazes was investigated by XRD, EDS, FT-IR, and UV-vis. A chromatic mechanism was proposed to explain the variation of glaze colors with the increase of Co2O3 content.
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2005.12.1 This paper presents the results of investigation related to both the properties of the ferrochromium slag and the standard physical and mechanical properties of Portland cement concrete pavements (PCCP) made with this slag as aggregate, according to the relevant Croatian standards. Slag is formed as a liquid at 1700 °C in the
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2016.3.23 ABSTRACT The ferrochromium slag is an important by-product of ferrochromium industries. Recycling and efficient utilization of the large volumes of slag generated by ferrochrome production process is a huge challenge for ferrochrome producers. This ...
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2023.7.1 Sjökvist et al. [7] studied the effect of high-carbon ferrochromium (HCFeCr) alloys on the inclusion characteristics in Al-deoxidized steel, they reported that the majority of inclusions changed from FeS and Al 2 O 3 before alloying to Al 2 O 3 and complex sulfide (Cr,Fe,Mn,Ti)S after alloying and (Cr,Ti) (C,N) inclusions from HCFeCr alloys ...
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4 天之前 Ferrochrome, or Ferrochromium (FeCr) is a type of ferroalloy, that is, an alloy between chromium and iron, generally containing 50% - 70% chromium. Start Trading. Frequently traded on Metalshub. Chrome is mainly used in the production of stainless steel, special steel, refractories, and chemicals. Name
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2020.1.24 The content of chromium and iron in the high-carbon ferrochromium are between 47.00% to 52.00%, and 35.00 to 60.00%, respectively. The contents of impurity elements in the high-carbon ferrochromium meet the expected requirements except the content of Si in nos. 7 and 8. The content of chromium reached 52.01% in the high
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2013.4.1 Radiation shielding effects of ferrochromium slag loading hardened epoxy resin samples were investigated. Five different samples including different percentages of epoxy resin and ferrochromium slag were produced. X-ray, gamma ray, and neutron particle transmission experiments were performed for epoxy-ferrochromium slag composites.
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Ferrochromium definition: . See examples of FERROCHROMIUM used in a sentence.
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Published Nov 9, 2022. + Follow. Ferrochromium is an iron alloy with chromium and iron as the main components and is one of the main alloying agents used in the iron and steel industry. Adding ...
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2009.2.22 Chromium ore fines containing coal (COFCC) can be rapidly heated by microwave to conduct the voluminal reduction, which lays a foundation of getting sponge ferrochromium powders with a lower content of C. Under the conditions of COFCC with n(O):n(C) (molar ratio) as 1.00:0.84 and n(SiO2):n(CaO) as 1.00:0.39, the samples were
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You will find the available purchasing options set by the seller for the domain name ferrochromium on the right side of this page. Step 2: We facilitate the transfer from the seller to you. Our transfer specialists will send you tailored transfer instructions and assist you with the process to obtain the domain name. On average, within 24 ...
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2013.12.10 Ferrochromium Smelting Technology. One effective method of reducing the cost of making refined grades of ferrochromium is the use of inexpensive silicon-aluminum reducing agents obtained from wastes formed in the coal-mining industry. A silicon-aluminum alloy is used to reduce chromium ore.
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2005.11.11 Ferrochromium is a master alloy of iron and chromium, containing 45–80% Cr and various amounts of Fe, C and other elements. Ferrochromium is produced pyrometallurgically by carbothermic reduction of chromite ore (FeOCr 2 O 3). The main slag additives used are quartzite and aluminium oxide containing materials to compensate for
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Ferrochrome by the reduction of chromite with coke in an electric arc furnace. A low-carbon ferrochrome can be produced by using ferrosilicon (p. 330) instead of coke as the reductant. This iron/chromium alloy is used directly as an additive to produce chromium-steels which are “stainless” and hard.
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2018.10.19 The structure, chemical and phase compositions, and process properties of the high-carbon ferrochromium powder produced by grinding the lump pig FKh800 ferroalloy have been examined. The pycnometric and bulk densities of the powder and its compressibility at 600–800 MPa have been determined. It is shown that the content of
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영어 사전에서 ferrochromium 의 정의. 사전에있는 페로 크롬의 정의는 매우 단단한 강철의 생산에 사용되는 철과 크롬의 합금입니다. The definition of ferrochromium in the dictionary is an alloy of iron and chromium, used in the production of very hard steel. 영어 사전에서 «ferrochromium» 의 ...
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2018.9.1 In this study, ferrochromium (FeCr) slag, which is available as an industrial waste, is proposed as a protective surface coating material particularly for protection of continuous casting rolls against oxidation. FeCr slag was successfully deposited with atmospheric plasma spray (APS) method. Before the coating process, FeCr slag powder
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PRODUCTION, CHARACTERISTICS AND USE OF FERROCHROMIUM SLAGS. World HCFeCr production is 6.0 million tonnes. Correspondingly 1.1-1.6 t slag / t FeCr is produced depending on the raw material basis. Essentially all FeCr is produced in submerged arc furnaces, while the role of competitive technologies like DC is limited.
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2016.5.24 Glass-ceramics have been successfully prepared from high-carbon ferrochromium slag (HCFS) and waste glass (WG), and the microstructural characterization and mechanical properties of the glass-ceramics were subsequently investigated. The development of HCFS-based glass-ceramics involves the nucleation and crystalliz
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definición de ferrochromium en el diccionario inglés. La definición de ferrocromo en el diccionario es una aleación de hierro y cromo, utilizada en la producción de acero muy duro. The definition of ferrochromium in the dictionary is an alloy of iron and chromium, used in the production of very hard steel. Pulsa para ver la definición ...
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World HCFeCr production is 6.0 million tonnes. Correspondingly 1.1-1.6 t slag / t FeCr is produced depending on the raw material basis. Essentially all FeCr is produced in submerged arc furnaces, while the role of competitive technologies like DC is limited. In all furnaces fluxes are used to optimize the slag composition. Vital characteristics are
Read More2018.5.3 Abstract In order to understand the effect of alloying process on steel cleanliness, alloying experiments are carried out by using a kind of ferrochromium alloy. The types of the inclusions in the alloy and the steel are detected, and the evolution of inclusions is investigated. More than nine types of inclusions are found before and after ...
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2024.3.29 Ferrochrome. Ferrochrome (cách viết cũ: ferô crôm) hay ferrochromium (FeCr) là một trong các hợp kim ferô của sắt với chromi, mà hàm lượng chromi có từ 50-60% theo khối lượng hợp kim. Thông thường chúng được tinh luyện đạt đến hàm lượng 50-70% Cr trong sắt . Chiếm đến 80% lượng ...
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2023.10.1 1. Introduction. The international market for chromite ore (synthetic formula – FeO.Cr 2 O 3), the only commercially viable source of new chromium (Cr) units, is predominantly driven by the global demand for ferrochrome (FeCr).Secondary FeCr markets comprise of the Cr chemicals-, abrasives-, refractories-, and foundry sand industries and
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الصين -تشنغ تشو -المنطقة الوطنية للتنمية الصناعية للتكنولوجيا المتطورة، جادة العلوم رقم 169.
الاتصال: 0371-86549132.