Microstructural Characteristics and Mechanical Properties of Heat

a) Impact toughness of the high chromium iron alloys with different contents of RE; (b) Weight loss curves for the high Cr iron alloys with different contents of RE in heat-treated conditions [44].

WhatsApp: +86 18221755073

Optimizing heat treatment and wear resistance of high chromium …

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]

WhatsApp: +86 18221755073

Heat treatment effect on microstructure, hardness and wear resistance

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].

WhatsApp: +86 18221755073

High Chromium White Cast Iron | SAHAVIT FOUNDRY

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 ...

WhatsApp: +86 18221755073

Study on the heat treatment process of high chrome cast iron (2)

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

WhatsApp: +86 18221755073

High hardness and toughness of white cast iron: The

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 …

WhatsApp: +86 18221755073

Heat Treatment Featuring the Key-Parameters of High Chromium White …

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 …

WhatsApp: +86 18221755073

Heat treatment process of the high chrome cast iron …

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.

WhatsApp: +86 18221755073

Heat Treatment of White Cast Irons | Metallurgy

The amount of alloying elements should be enough to assure substantial pearlite in mould-cooled structure, but provides enough hardenability to prevent pearlite formation during air-quenching after austenitisation in the heat-treatment cycle. Heat Treatment of Cr-Mo and High-Cr White Irons: The main heat treatment is hardening (austenitising ...

WhatsApp: +86 18221755073

Microstructural Modifications of As-Cast High-Chromium White Iron …

High-chromium white irons are extensively used in applications where good resistance to abrasion wear is required, for example mineral processing, cement manufacturing, and slurry pumping (Ref 1-3).This attractive wear behavior is clearly attributed to the microstructure and the participating phases, both in the as-cast and after heat treatment …

WhatsApp: +86 18221755073

Microstructures and Properties of Cr26 High Chromium Cast iron …

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 …

WhatsApp: +86 18221755073

Influences of Cr on the microstructural, wear and mechanical

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 ...

WhatsApp: +86 18221755073

XRD Investigation on Heat Treatment of High Chrome White …

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

WhatsApp: +86 18221755073

Heat-treatment method of high-chromium wear-resistant white cast iron …

The invention discloses a heat-treatment method of high-chromium wear-resistant white cast iron Cr28. According to the invention, high-chromium wear-resistant white cast iron Cr28 is heated to 1000-1050 DEG C; the white cast iron Cr28 is heated and the temperature is maintained for 1.5-3h; the white cast iron Cr28 is air-cooled to room temperature; the white cast iron Cr28 is …

WhatsApp: +86 18221755073

Heat Treatment of White Cast Iron

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 …

WhatsApp: +86 18221755073

Performance assessment of pCBN and bCBN tools in machining of high

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 ...

WhatsApp: +86 18221755073

Influence of different heat treatments on the microstructure of a high

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) …

WhatsApp: +86 18221755073

High Chrome White Iron – Abrasion Resistant Cast Irons

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

WhatsApp: +86 18221755073

On the influence of compositional variations in high chrome cast iron

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 …

WhatsApp: +86 18221755073

Microstructural Investigation on Heat Treatment of Hypoeutectic High

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 ...

WhatsApp: +86 18221755073

Heat Treatment in High Chromium White Cast Iron Ti Alloy

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 ...

WhatsApp: +86 18221755073

Optimizing heat treatment and wear resistance of high chromium …

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 …

WhatsApp: +86 18221755073

HC28 HIGH CHROME WHITE IRON

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

WhatsApp: +86 18221755073

Heat treatment process of the high chrome cast iron …

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 …

WhatsApp: +86 18221755073

High Chromium White Cast Iron (High Cr White Iron)

High Chromium White Cast Iron, or High Cr White Iron grades are used in wear applications that require some corrosion resistance. One common application using High Chrome White Iron alloys is in Pump and Valve parts for the Mining industry. The high chromium content offers the corrosion resistance and the fine carbides dispersed throughout ...

WhatsApp: +86 18221755073

What is Chrome White Iron – ASTM A532? | Penticton …

The heat treatment is the final step in the manufacturing process and it ensures that the microstructure is correct for your application. The heat treatment should be designed based on the chemistry of the part, its section …

WhatsApp: +86 18221755073

Microstructure and properties of high chromium cast …

Different combinations of critical and subcritical heat treatments variously modify the initial as cast microstructure of high chromium white cast …

WhatsApp: +86 18221755073

White Iron and High-Alloyed Iron Castings

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.

WhatsApp: +86 18221755073

Optimizing Wear Resistance and Impact Toughness in High Chromium Iron

An alloy with carbon and chromium in the range of 2.0 to 2.5% and 20 to 25%, respectively, with the addition of Mo and Ni in the range of 1.0 to 1.5% each when heat-treated at a quenching temperature of 1010 °C and tempering temperature of 550 °C produces a hardness in the range of 54 to 56 HRC and a microstructure that consists of discontinuous bands of high …

WhatsApp: +86 18221755073

Changing from Ni-Hard to High Chrome White Iron

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 ...

WhatsApp: +86 18221755073