Large-scale crushing & screening & milling plants.

Offer efficient, cost-effective services for you.

AS a leading global manufacturer of crushing and milling equipment, we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete stone crushing plant.

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Aggregate Crushing Plant

Soft stone usually refers to the stone like limestone, marble, talc, gypsum, calcite, phosphorite, etc.

The classic production line for the soft stone is JAW CRUSHER (primary crusher) + IMPACT CRUSHER (secondary crusher), and with the auxiliaries of vibrating feeder, vibrating screen & belt conveyors.

Sand Making Plant

Regarding of the detail condition, two kinds of techniques are usually adopted in producing manufactured sand, dry way and wet way. Both methods can produce high quality manufactured sand as concrete aggregate. Especially, the dry way can produce not only the manufactured sand used in SMA road surface, but also the powder used in asphalt concrete.

Grinding Plant

MC World is specialized in manufacturing Grinding Mills. Absorbing advanced technology from Europe and combined with more than 30 years market demand, MC World can provide you the most suitable and better performance industrial mills. Our grinding mills include VM Vertical grinding mill, MTW European grinding mill, T130X Super fine grinding mill, HGM Micro powder grinding mill, TGM Trapezium grinding mill, Hammer mill and Ball mill, which can be used for Processing Limestone, Quartz, Calcite, Gypsum, Dolomite, Barite, Talc, Coal, Calcium Carbonate, Slag, Iron Ore, Gold Ore, etc.

Ore Beneficiation

MC World has been engaged in designing and manufacturing ore dressing equipments for decades, and own a professional and experienced engineer team and two large-scale & modernized production bases. We supply suitable and practical equipments from crushing, grinding to beneficiation machines and other corollary equipments like vibrating feeder, belt conveyor, etc with best Performance & Price ratio. Hundreds of ore processing plants we designed have been in work at domestic and abroad and won good reputation. Come with your iron, gold, silver, copper, manganese, tin, etc ore processing project, and back with satisfied plant.

Construction Waste Recycling

How to process the construction wastes? If there is new machinery or new craft to utilize the construction wastes?

Using the special machinery, the construction wastes is crushed and screened, then is widely used in cement brick, pavement and construction. This new craft has truly reused the construction wastes, will benefit the state and the people. And it provides a brand new development ideas for the urban development got onto the track of sound development.

Get in Touch

Our engineers have years of experience and know our equipment like the back of their hands. McCloskey Equipment can service machines worldwide to make sure your operation runs smoothly.

+7(927)687 07 58

[email protected]

Piskunov street, Irkutsk

Russian Federation

Any of your enquiry will be highly appreciated.

heat treatment of white cast iron high chromium

Mobile Crushers

The crushing equipments for rocks and construction waste, and expands the conception of primary and secondary crushing operation.

Jaw Crushers

Adopts the most advanced crushing technology and manufacturing level so that it can efficiently crush the hard and strong abrasion materials.

Impact Crushers

Impact crusher is most suitable for crushing the materials whose crushing strength lower than 320MP, like mineral, rock and slag, etc.

Cone Crushers

Cone crusher introduced the Germany technology, is an ideal crusher for large stone crushing factory and mining industry.

VSI Crushers

To improve and develop equipment sand making rate, own fully core intellectual property rights and multiple national patent.

Grinding Mills

Besides high quality equipment, the company will provide sincere service such as Engineering Procurement Construction project.

Analysis of the High Chromium Cast Iron Microstructure after the

The heat treatment of chromium cast iron is special precautions . Chromium cast iron belong white cast iron, therefore is sensitive to the cooling rate may result in formation of cracks in castings [1-11 Currently, in the literature there is a lot of informa treatment of chromium cast iron, but it appears that they conflict with each other.

Heat Treatment in High Chromium White Cast Iron Ti Alloy

2014-02-03  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 ...

Cited by: 5

Heat Treating of High-Alloy White Irons :: Total Materia

Heat Treatment or Nickel-Chromium White Irons. Nickel-chromium white iron castings are given a stress-relief heat treatment because, properly made, they have a martensitic matrix structure, as-cast. Tempering is performed between 205 to 260°C (400 to 450°F) for at least 4 h.

Heat Treatment of Cast Irons 2018-12-12 Industrial

Common Heat Treatment for the Specific Cast-Iron Types. High-alloy (e.g., high chromium, high nickel-chromium) white irons can be heat treated. For example, nickel-chromium white-iron castings are given a stress-relief heat treatment because, properly made, they have an as-cast

Heat Treating ASTM A532 Chrome White Iron Penticton

Case Study: Read this case study for a specific example of chrome white iron outperforming AR plate. Microstructure Notes No article on heat treating ASTM A532 would be complete without taking a look at its microstructure. The high level of chromium in high chrome white iron

(PDF) Heat Treatment in High Chromium White Cast Iron Ti

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 ...

Heat Treatment of Cast Irons

2011-05-16  by alloying and heat treatment. The vari-ous grades of regular, unalloyed ductile iron are designated by their tensile properties (Table 3). Heat treatment of ductile cast iron includes stress relief and annealing, as well as heat treatments used for steels including normalize and temper (for higher strength and wear-resistance), quench and temper

Microstructural Modifications of As-Cast High-Chromium

2008-09-04  The initial as-cast microstructure of a high-chromium (2.35% C, 18.23% Cr) white cast iron consisting of primary austenitic dendrites and a eutectic mixture of

Cited by: 64

Effect of Heat Treatment on Microstructure and Mechanical

2013-12-24  wear performance of high chromium white cast iron. Quenching, seeding and micro-alloying can, to a limited extent, increase the wear resistance, but this is best achieved by heat treatment in the solid state. The methods for producing high chrome iron casting include double pour, continuous pour and centrifugal castings [1, 3].

Metallurgical Aspects of HIGH- CHROMIUM WHITE IRONS

2019-08-08  Metallurgical Aspects of HIGH-CHROMIUM WHITE IRONS PROF. DR. ADEL NOFAL ... either while the casting is cooling in the mold or during subsequent heat treatment. i)Chromium. Typical effects of alloying elements on depth of chill. ... chromium white cast iron.

High Chromium White Cast Iron (High Cr White Iron) -

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. The high chromium content offers the corrosion resistance and the

Wear resistance of high chromium white cast iron for coal

2016-10-27  134 P. Ortega-Cubillos et. al; Revista Facultad de Ingeniería, No. 76, pp. 134-142, 2015 Wear resistance of high chromium white cast iron for coal grinding rolls Desgaste de fundiciones de hierros blancos de alto cromo usados en rodillos de molinos de carbón

Alloy data sheet high chrome white iron 25% Penticton

ASTM A532 Class III Type A. The 25% Cr alloy is the most common high chrome white iron poured at Penticton Foundry. This alloy has great abrasion resistant properties especially against gouging, grinding and scratching. 25% Cr material can be machined to meet tighter tolerances like those found in pump and piping type castings.

Optimizing hardenability of high chromium white cast iron

2009-04-01  In high-Cr white cast iron when the Si content is higher than 0.6%, formula (1) can not be used to calculate the t. The silicon element decreases the hardenability of the high-Cr white cast iron. The contents of alloying elements given in Figs. 3 and 4 were the same except for Si (the content of Si was 0.93% in Fig. 4).

Microstructural Characteristics and Mechanical Properties of Heat Treated High-Cr ...

Microstructural Characteristics and Mechanical Properties of Heat Treated High-Cr White Cast Iron Alloys Kh. Abdel-Aziz 1a, M. El Shennawy 1b* and Adel A. Omar c 1 Taif University, Engineering College, Mechanical Engineering Department, Taif, Post Code 888, KSA.

Cast irons - Harry Bhadeshia

2019-03-23  Austempered Ductile Cast Iron. The chemical composition of the cast iron is Fe-3.52C-2.51Si-0.49Mn-0.15Mo-0.31Cu wt%. All samples are etched using 2% nital. Colour micrographs are produced by first etching with 2% nital, followed by open air heat treatment of the metallographic sample at 270 o C for 3 h.

High-chromium (22-34 per cent) Cast Iron Alloys and Their Simulated Behaviour

2014-01-30  Journal of Scienti fic Industrial Research Vol. 62, June 2003, pp 583-588 High-chromium (22-34 per cent) Cast Iron Alloys and Their Simulated Behaviour at the Sugar Industry E Zumelzu*, 0 Opitz and C Cabezas Instituto de Materiales y Procesos Termomecanicos.

Improvement of abrasive wear resistance of the high chromium cast iron

2019-01-21  Improvement of abrasive wear resistance of the high chromium cast iron ASTM A-532 through thermal treatment cycles tablE I ChemiCal Composition of high Chromium Cast iron Element C Cr Si Mn Mo wt. % 3.02 24.93 0.47 0.74 1.02 According to the obtained values of the main alloying elements (C, Cr), it is assumed that the material meets

Heat treatment in high Cr white cast iron Nb alloy

Abstract. Wear resistance of high Cr white cast irons can be improved by means of heat treatment. This type of cast iron alloy may present a microstructure with retained austenite. The amount of retained austenite changes with the applied heat treatment, which will have an influence on wear properties.

MICROSTRUCTURE AND EROSION-CORROSION BEHAVIOUR OF AS-CAST HIGH CHROMIUM WHITE

2015-07-15  slurry and the 19Cr iron with a higher chromium content ex-hibitedthebestwearresistance.Lessinformationcanbefound for the wear behaviour of high chromium cast irons in wet conditions with corrosive media. Relative erosion-corrosion wear rate of Fe-(15 to 30)Cr-3C has been reported [14,15] and the as-cast irons with 25-30 wt.%Cr showed promising

Effect of heat treatment on microstructure and

The effect of different tempering temperatures on the microstructure and mechanical properties of high boron white cast iron after air quenching was studied. The experimental results indicate that the high boron white cast iron comprises a dendritic matrix and interdendritic boride M 2 B that distributed in the form of continuous ...

Cast iron - Wikipedia

2019-10-30  Cast iron's properties are changed by adding various alloying elements, or alloyants. Next to carbon, silicon is the most important alloyant because it forces carbon out of solution. A low percentage of silicon allows carbon to remain in solution forming iron carbide and the production of white cast iron.

Products Alloys High Alloy Cast Irons

2018-07-07  matrix of as-cast 0.8% Cr heat-resistant cast irons is transformed to ferrite and its cementite is spheroidized in structure. Higher chromium additions of 15% to 35% provide excellent oxidation and growth resistance for temperatures up to 980°C. However, these high -chromium irons have a white -iron structure. Even though they have good ...

CN104195420A - High-chrome wear-resistant cast iron

The invention discloses a high-chrome wear-resistant cast iron material and a heat treatment method. The high-chrome wear-resistant cast iron material is prepared from iron as a main raw material, and carbon, silicon, manganese, sulphur, phosphorus, chrome, molybdenum, nickel and copper as auxiliary materials in manners of melting and ...

Effect of heat treatment on wear and corrosion behavior

2019-07-08  The abrasive wear and corrosion behavior of as-cast, heat-treated and tempered high chromium white cast iron was studied, and the results were evaluated by means of microstructure, hardness, surface roughness and corrosion resistance. The samples were subjected to wear on the ball-on-flat tribometer test machine under different loads.

Microstructure and wear resistance of high chromium cast iron containing niobium

2014-08-27  a hypereutectic high chromium white iron containing >30wt.% Cr and >4wt.% C was investigated in detail in both as-cast and heat-treated states. The properties related to the service performance of the HCCIs containing niobium, namely the abrasion resistance in wet application and impact toughness were also examined.

White Cast Iron – IspatGuru

White cast iron does not have the easy castability of other cast irons because its solidification temperature is generally higher, and it solidifies with C in its combined form as iron carbide. White cast iron has a high compressive strength and excellent wear resistance, and it retains its hardness for limited periods even up to a red heat.

MECH 423 Casting, Welding, Heat Treating and NDT

2013-09-03  MECH 423 Casting, Welding, Heat Treating and NDT Credits: ... High Cr White Cast Iron . Lecture 5 21 ... (heat treatment) ductile iron offers a combination of strength, fatigue properties, and wear resistance that makes it of great interest for heavy engineering and

Classification and B!asic Metallurgy of Cast Irons

2017-11-29  white nor gray iron exhibits significant ductility in a standard tensile test. Malleable iron is cast as white iron, then "malleabilized" (i.e., heat treated to impart ductility to an otherwise brittle mate-rial). Besides the four basic types, there are other specific forms of cast iron to which special names have been applied.

FOUNDRY ENGINEERING 41/1 - Politechnika Śląska

ARCHIVES of FOUNDRY ENGINEERING Published quarterly as the organ of the Foundry Commission of the Polish Academy of Sciences ISSN (1897-3310) Volume 9 Issue 1/2009 191-194 41/1 Inoculation of chromium white cast iron D. Kopyci ski* AGH-University of Science and Technology, Faculty of Foundry Engineering, Kraków, Poland