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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
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The ferrochromium slag and ferronickel slag are two typical chromium-bearing SAF slags generated during the stainless-steel production. The main components of ferrochromium
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2023.7.1 Lab-scale alloying experiments were carried out by first adding commercial low-carbon ferrochrome (LCFeCr) alloys and then adding ferroniobium (FeNb) alloys in
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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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ferrochromium，英语单词，主要用作名词，作名词时译为“[材] 铁铬合金”。
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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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2020.1.24 Policies and ethics. A novel method to smelt high-carbon ferrochromiumHigh-carbon ferrochromium by synergistic reductionReduction with
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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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2020.5.6 ABSTRACT. The conventional process for producing high carbon ferrochromium by smelting chromite ore in a submerged arc furnace is reviewed and its
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2019.10.24 1.团队介绍光电陶瓷材料研究团队，主要从事新型陶瓷材料的设计、制备、功能化开发及产业化研究，包括氧化铝陶瓷材料、低膨胀陶瓷材料、石油压裂支撑剂材料、LED用发光材料、长余辉发光材料及
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2022.3.2 Ferrochromium GOST 4757-91 (ISO 5448-81) Ferrochromium is supplied as lumps having mass not more than 20 kg or as crushed and screened particles. The high-carbon ferrochromium is permitted to be produced as pigs with mass not more than 30 kg. When ferrochromium is manufactured as lumps or pigs, the amount of small material,
Read More2013.1.1 High carbon ferrochrome is one of the most common ferroalloys produced and is almost exclusively used in the production of stainless steel and high chromium steels. Production takes place primarily in countries with substantial chromite ore supply. Relatively cheap electricity and reductants also contribute to the viability of high carbon ...
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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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2022.5.25 [1] Zhou H, Yao P, Xiao Y, et al. Influence of ferrochromium type on micro and macro tribology behavior of copper metal matrix composites[J]. Tribology International, 2023. [2] Zhou H , Yao P , Xiao Y , et al. High energy braking behaviors and tribo-map constructions of Cu metal matrix composites with different Cr volume contents[J].
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2021.8.20 标准号：GB/T 5687.13-2021. 中文标准名称： 铬铁 铬、硅、锰、钛、钒和铁含量的测定 波长色散X射线荧光光谱法 (熔铸玻璃片法) 英文标准名称：Ferrochromium—Determination of chromium, silicon, manganese, titanium, vanadium, iron contents—Wavelength dispersive X-ray fluorescence spectrometry (fused ...
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2020.1.24 The content of chromium and iron in the high-carbon ferrochromium is 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 nos. 7 and 8. The content of chromium reached 52.01% in the high-carbon ferrochromium.
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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 chromium ore, iron or iron ore, and carbon, usually anthracite coal. In the intense heat the carbon reduces the metal oxides to the molten alloy, which
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2022.5.1 1. Introduction. Ferrochromium slag is a typical byproduct of high-carbon ferrochrome production. It was estimated that the production of one ton of high-carbon ferrochrome produces about 1.1–1.6 tons of ferrochromium slag [1].According to international chromium development association (ICDA), the annual global production of
Read More2019.1.16 全文: PDF (1422 KB) HTML. 摘要: 综述了核电站防辐射涂料的辐射环境、相关标准及部分耐核辐射的树脂和功能填料，如：碳纳米管-环氧杂化树脂、纳米二氧化铈-石墨烯-环氧杂化涂层、碳化硼、钛酸盐、钼粉、钒盐及铬铁等，这些新材料在实验研究过程中
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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 iron and carbon. By carbothermic reduction of chromite ore (FeO∙Cr 2 O 3), ferrochromium is generated pyrometallurgically in submerged electric arc furnaces.
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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
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2023.3.5 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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2022.8.1 ferrochromium is produced at or near chromite mines. Prices are cyclical and generally follow steel demand. Chromium is not traded in open markets like the LME so price data is less available. According to USGS figures, in the last five years, chromite has varied between $180 and $279 per ton, ferrochromium
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The EC Number is the numerical identifier for substances in the EC Inventory. The EC Inventory is a combination of three independent European lists of substances from the previous EU chemicals regulatory frameworks (EINECS, ELINCS and the NLP-list). More information about the EC Inventory can be found here.
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2022.7.15 Ferrochrome slag (FCS) and ferrochrome ash (FCA) are by-products generated during the production of ferrochrome alloy in the ferrochrome industry. The use of these by-products as construction materials appears to be an innovative strategy that could provide numerous environmental and socio-economic benefits. However, the residual
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2022.1.31 ferrochromium. Stainless steels and superalloys require the addition of chromium via ferrochromium or chromium-containing scrap. The value of chromium material consumption was expected to be about $850 million in 2021, as measured by the value of net imports, excluding stainless steel, and was a fourfold increase from $201 million in
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2 天之前 China is the leading chromium consumer and the main manufacturer of ferrochromium. in general, world chromium market is expected to grow at 3% annually. to meet the demand, chromite ore production will be increased in the leading mining areas of India, Kazakhstan, South Africa, Turkey, etc. Chromium Market Review is a source for
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The ferrochromium segment accounted for the largest revenue share of 82.2% in 2022. Ferrochromium is an alloy composed primarily of iron (Fe) and chromium (Cr). It is commonly used in the production of stainless
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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 article reviews ferrochromium slag utilization with reference to refractory,
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2020.2.7 South Africa was the second-leading country in ferrochromium production. Ferrochromium production is electrical-energy intensive, so constrained electrical power supply and rising costs for electricity in South Africa could also impact ferrochromium production. From September 2018 to September 2019, high-carbon ferrochromium
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2018.10.19 The ferrochromium powder turned out to have good compressibility at pressures in the range 200–800 MPa (Fig. 4) and good moldability at 600–800 MPa. The density of samples produced from the powdered ferrochromium nonmonotonically increases from 4.55 to 5.4 g/cm 3 when compacting pressure changes from 200 to 800 MPa (Fig.
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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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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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2021.8.2 Dicalcium ferrite (C 2 F) is a key component in metallurgical slag, particularly steel slag. Nevertheless, its influence on cement hydration is unclear. This study investigated the composition and surface properties of synthesized C 2 F and its effects on the compressive strength, hydration heat, hydration degree, and microstructure of
Read More2020.4.1 内容提示： ICS 77.100H 42OB中华人民共和国国家标准GB/T 4010 — 2015代替 GB/T 4010 — 1994铁 合金 化学分析用 试 样的 采 取和制备Ferroallys sampling and preparation of samples for chemical analysis(ISO 4552-1 ： 1987 , Ferroalloys — Sampling and sample preparation for chemical analysis — Part 1 : Ferrochromium,
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2020.8.2 Large amount of slag is obtained during the production of ferrochromium. This by-product has properties comparable to natural aggregates. However, almost all of the ferrochromium slag is landfilled. The main objective of this study was to investigate the effects of ferrochromium slag aggregate on the mechanical properties and permeability
Read MoreFerrochrome –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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