The high chromium white cast iron (HCWCI) has been on the scene for decades, with expectations to remain there due to its exceptional wear resistance. HCWCI is mostly applied as-cast, but it can also be used as a coating material. The carbides in HCWCI microstructure, whose composition depends on alloying and heat treatment regime, give this special feature to …
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Explore the properties of high-chromium white iron, its applications in industries requiring exceptional wear and corrosion resistance, and the impact of heat treatment on its hardness and microstructure. Learn about the optimal heat …
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High chrome white cast iron with 90 mm diameter ball sample supplied by Çemaş A.Ş from Turkey has been used. ... in which various heat treatment conditions are established for the samples, is ...
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This article presents a discussion on the melting, pouring, and shakeout practices; composition control; molds, patterns, and casting design; heat treatment; and applications of different classes of nickel-chromium white irons and high-chromium white irons.
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Abstract: The chemical composition of Cr26 high chromium cast iron and the effects of heat treatment on its hardness, impact toughness were studied in this paper. And its microstructures of this kind of high chromium cast iron treated by different heat treatment technology were studied as well. Their results show that the hardness of the experimental high chromium cast iron is …
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High Chromium White Cast Iron is used widely in high abrasive application. it is used to produce casting parts such as Ball mill, ... By varting composition and heat treatment, these properties can be adjusted to meet the needs of most abrasive applicaitons. As a class of alloyed irons, the high chromium cast irons are distinguished by the ...
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High-chromium white irons are usually hypoeutectic ones, and they are often applied in wear environments, such as mineral processing, cement production and steel manufacturing industries, and so on [1], [2], [3], [4].The considerable M 7 C 3 chromium carbides in high-chromium white irons provide excellent wear resistance. The usual production route is …
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AI Yunlong, DING Jiayuan, HE Wen, et al. Effects of heat treatment on sliding wear of high chromium white cast iron[J]. Thermal Processing, 2010, 39(3): 46–48. (in Chinese) Google Scholar ZEYTIN H K, YILDIRIM H, BERME B, et al. Effect of boron and heat treatment on mechanical properties of white cast iron for mining application[J].
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High-chromium cast iron (HCCI) is widely used for manufacturing mill rolls due to its high wear resistance, hardness, low cost and good adaptability to manufacture [1,2,3,4].Despite the active application of rolls from high-speed steels, HCCI rolls still occupy a large share of the market [].The cast microstructure of the external layer of rolls from HCCI …
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Primary analyses of cast microstructure design of high chrome white cast iron grinding media (2) August 16, 2021 - 3:12 am; Primary analyses of cast microstructure design of high chrome white cast iron grinding media (1) August 13, 2021 - 6:44 am; Casting grinding balls making machine July 21, 2021 - 7:32 am; Related Products
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The influence of heat treatment on microstructure and mechanical properties of high chromium white cast iron alloyed with titanium was investigated. The austenitizing temperatures of 980°C and 1150°C for 1 hour each followed by tempering at 260°C for 2 hours have been performed and the effect of these treatments on wear resistance/impact ...
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The article describes the results of experimental studies for the effect of thermal treatment (TTM) of G-X300CrMo27-1 high-chromium cast iron samples in the solid-liquid and liquid state on the ...
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amount of austenite transforms to martensite a er heat treatment, still the iron contains some small amounts of retained austenite. X-ray di raction pro les of the investigated alloys a er heat treatment comparing with the as-cast condition are showninFigures (a) (c) . epeaksassociatedwith austenite phase and martensite phase are indicated by and
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The cutting tools also behaved differently according to the different levels of C-Si content and heat treatment of the work materials. In addition, the study reveals the mechanism of the interactions between CBN tools and high-chromium white cast iron under a range of machining parameters. ... Machinability investigations on high chrome white ...
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High chrome white cast iron with 90 mm diameter ball sample supplied by Çemaş A.Ş from Turkey has been used. ... The heat treatment process involves heating and cooling a metal or alloy to change its mechanical and physical properties, making them more desirable. The samples were processed according to the defined heat treatment conditions ...
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The aim of this research work was the heat treatment optimization of a high chrome white cast iron in order to obtain a final product with a high hardness (wear resistance). The effect of modifying the maintenance temperature during the different phases of the heat treatment (simple and double temperings and quenching followed by one or two temperings) …
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How to heat treat ASTM A532 correctly. Get chrome white iron microstructure notes and heat treating trouble shooting tips. Read our blog today.
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HCWCI is mostly applied as-cast, but it can also be used as a coating material. The carbides in HCWCI microstructure, whose composition depends on alloying and heat …
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High Chrome White Iron makes up ~10% of Leth Iron's production. Class/Type % Chrome Typical Hardness (HBW) Class lll Type A: ... ASTM A897 – 06 Austempering is an isothermal heat treatment that involves heating ductile iron castings to between 1550°F and 1750°F in a controlled atmosphere followed by a quench in a bath of molten salt. The ...
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Moreover, the network eutectic carbides are very stable so that they are not easily eliminated by heat treatment [Citation 3, Citation 8]. Therefore, the microstructure of high-chromium white irons is improved by various heat treatment methods, such as destabilization heat treatment and sub-critical heat treatment [Citation 5, Citation 9–12].
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Soft annealing of high chromium white cast iron. Materials Science Forum, 455–456 (2004), pp. 290-294. View in Scopus Google Scholar [9] R.L. Pattyn. ... Behavior of hardness and retained austenite in heat treatment of high chromium cast iron for abrasive wear resistance. Transactions AFS, 112 (2004), pp. 899-910. Google Scholar [13]
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In this blog post, we will explore the process of heat treatment for white cast iron and its impact on the material's properties. Understanding White Cast Iron. ... When the as-cast hardness of the white iron is not sufficient, a …
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Effect of Cu addition on hardness and microstructural features of low alloy white cast iron; XRD Investigation on Heat Treatment of High Chrome White Cast Irons; High-temperature abrasion resistance and wear mechanisms of chilled high-chromium cast irons; Corrosion behavior of newly developed heat treated 10Mn-2Ni-3.5Cr-1.5Cu alloy
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The influence of heat treatment on microstructure and mechanical properties of high chromium white cast iron alloyed with titanium was investigated. The austenitizing …
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The influence of heat treatment on microstructure and mechanical properties of high chromium white cast iron alloyed with titanium was investigated.
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30% chrome white iron is the most corrosion resistant of the ASTM A532 iron alloys. It has found a real niche in flue-gas desulfurization, as well as other oxidizing environments and some reducing environments. It is not as abrasion resistant as the other high chrome white iron alloys. Learn More: ASTM A532 Data Sheet 30% Cr
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For years it was the go-to alloy for most high wear applications. Now, with most foundries melting high chrome white iron in electric furnaces, and heat treating techniques being perfected, high chrome white iron has become much more popular than Ni-Hard. High chrome white iron alloys are more corrosion-resistant than Ni-Hard; Heat treatment ...
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In this study, high chrome-based white cast iron (HCWCI) balls were subjected to different heat treatments to yield various amounts of retained austenite, following which they were subjected to ...
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In this study, high chrome-based white cast iron (HCWCI) balls were subjected to different heat treatments to yield various amounts of retained austenite, following which they were subjected to ...
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High Chromium Iron is recommended for applications which involve both corrosion and abrasion. Townley's . HC28 alloy is particularly well suited for slurry pump parts and pipe fittings in coal prep operations and coal fired power stations. HC28's abrasion resistance is comparable to chrome-nickel irons (ASTM A-532 Class
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EB specializes in High Chrome White Iron Castings for 20 years. We adopt cast process,send cast processs and so on. ... Our foundry has complete melting, heat treatment and test equipments, such as mid-frequency induction electrical furnaces, quenching and tempering furnaces, blast shot, spectrometer, Rockwell and Brinell Hardness tester ...
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ABSTRACT: A heat treatment process of high chromium cast iron grinding media with trace alloying elements Mo, V, NB was studied. The heat treatment processes of quenching at 980 °C, tempering at 400 °C and 600 °C was adopted.
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A billet of hypoeutectic high-chromium white iron (2.5% C, 19% Cr) was spray formed using gas-to-metal ratios of ~0.9, ~1.0, and ~1.1. ... XRD Investigation on Heat Treatment of High Chrome White ...
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In this study, high chrome-based white cast iron (HCWCI) balls were subjected to different heat treatments to yield various amounts of retained austenite, following which they were subjected to ...
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Keywords: white cast irons, high chrome white cast irons, heat treatment, XRD investigation . ... (53.19%) in as-cast alloy are the highest compared to other iron specimens, i.e. heat-treated
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Because of castability and cost (much cheaper than stainless steels), high chromium (12-39% Cr) white iron castings of complex and intricate shapes are used for high temperature applications. …
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1 Introduction. Cast irons can generally be described as ferrous alloys containing carbon content of ≥2.11 wt.%. They are typically classified into five basic types based on by their graphite morphology [].This includes grey cast iron which has graphite in the form of flakes, ductile or nodular cast iron with graphite present in globular form, malleable cast iron which has …
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In the present work, a methodology was developed combining the practical knowledge on the production technology of high Cr cast iron castings with the use of CT to …
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