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    Founded in 1987, STK has attained 124 patents during the production of crushers & mills over the past 30 years. 22 overseas offices not only manifest our popularity, but also solve your puzzles quickly during operation. So if you are looking for crushers or mills, STK deserves your attention!

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    By 2016, STK has built 6 world-class manufacture bases, which cover a total area of over 600,000m2, and accomplished an annual production value of RMB 5 billion.

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Effect of Heat Treatment on Microstructure and…

Keywords: semi-solid processing, high chromium cast iron, hardness, abrasion, wear resistance, ... characteristics of heat treatment on the microstructure, wear.

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5. Effect of Heat Treatment on the Abrasive Wear Behavior…

mm x 15 mm x 10 mm and heat treated by annealing, hardening and tempering. Abrasive wear ... specimen of high Chromium cast iron NF253AHT; aside from...

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Effects of Heat-Treatment on the Microstructure…

High-chromium cast iron (HCCI), as excellent wear-resistant material, has been ... Heat treatments are useful methods to change the matrix microstructure for the...

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Heat Treating of High-Alloy White Irons…

High-alloy cast irons are an important group of materials whose production should ... Nickel-chromium white iron castings are given a stress-relief heat treatment...

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Wear resistance of high chromium white cast iron…

High chromium white cast iron alloy used in coal grinding components is a ... carbides, martensite, austenite and in some cases ferrite, after heat treatment.

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Improvement of abrasive wear resistance of the high chromium…

the high chromium cast iron ASTM A-532 through thermal treatment cycles”, Fac. Ing., vol. ... by heat treatment allows precipitation of chromium carbides [12, 13].

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Wear and Abrasion Resistant Cast Irons (White…

These irons can be used as cast, but heat treatment improves the hardness and ... High Chromium cast irons have typical compositions of 15%Cr-3%Mo and...

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Microstructural Characteristics and Mechanical Properties of…

mechanical properties of high Cr white cast iron alloys are oresented. Keywords: ..... High chromium white cast irons must be heat treated to develop the full...

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Optimizing hardenability of high chromium white cast…

High Cr white cast irons possess a combination of excel lent abrasion resistance and a ... Hardness testing of heat-treated castings showed that the designed...

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Patent EP0178894A2 - A method of heat treating high…

Apr 23, 1986 ... A method of heat treating high chromium cast ferrous-based alloys and a .... 1981) in which the high-chromium cast iron includes an addition of...

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Effect of Alloying Elements on Heat Treatment Behavior of…

Jan 15, 2006 ... Keywords: high chromium cast iron, alloying element, heat treatment, hardness, volume fraction of retained austenite. 1. Introduction.

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Wear resistance of chromium cast iron – research and ... -…

Purpose: A short characteristic of wear resistance chromium cast iron has been presented as well as ... these cast irons in group of materials with very high abrasive wear resistance. ..... behavior what decide about selection right heat treatment.

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Effect of Heat Treatment on the Impact Toughness of…

Effect of Heat Treatment on the Impact Toughness of `High-Chromium Cast Iron - Low Alloy Steel' Bimetal Components. Authors: Özdemir, Z. Affiliation:

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Effect of Heat Treatment on Microstructure and…

Keywords: Heat treatment, quenching, composition, microstructure and ... High chromium white cast irons are multi component alloys that contain iron, carbon and ... grinding roll from NF6357A-high chrome Iron alloy for crushing of solid...

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Effect of heat treatment on microstructure and…

hypereutectic high chromium white cast iron was investigated. The response of the alloy to heat treatment and, therefore, the microstructures developed, differed...

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Patent EP0178894A2 - A method of heat treating high…

Apr 23, 1986 ... A method of heat treating high chromium cast ferrous-based alloys and a .... 1981) in which the high-chromium cast iron includes an addition of .... 1954, Dec 11, 1956, Calumet Steel Castings Corp, Ferrous chrome alloy.

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Heat Treatment in High Chromium White Cast…

Apr 7, 2014 ... The influence of heat treatment on microstructure and mechanical properties of high chromium white cast iron alloyed with titanium was...

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development of a low melting point white cast iron for ... -…

the heat treat treatment cycle, the white iron is heated ... High. Chromium White Cast. Iron. 1440. The iron-chromium-carbon alloy system used for this study.

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Patent US4325758 - Heat treatment for high…

Apr 20, 1982 ... Heat treatment for high chromium high carbon stainless steel ... A process for softening hard, as cast, high chromium, (>12% Cr), high ... 1.75% molybdenum, 1% silicon, the balance essentially being iron. 4. ..... US2773761 *, Jan 8, 1954, Dec 11, 1956, Calumet Steel Castings Corp, Ferrous chrome alloy.

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high chrome cast iron heat treatment - YouTube

Feb 15, 2016 ... Contact Us For Help: http://wwa.stonecrushersolution.org/solutions/solutions.html T07, Behavior of Hardness and Retained Austenite during...

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Analysis of the High Chromium Cast Iron…

The article presents results of heat treatment on the high chromium cast iron. ... At each stage of the heat treatment the hardness was measured by Vickers and...

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Analysis of the High Chromium Cast Iron…

The article presents results of heat treatment on the high chromium cast iron. The study was carrying out on samples cut from the casting made from chromium...

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Investigation of the Wear Resistance of High Chromium White…

Key Words. Erosion-corrosion, slurry pot, high chromium white iron, sodium aluminate solution .... chromium white iron casting that has been heat treated, 200x,.

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Effect of Heat Treatment on Fracture Properties of…

ABSTRACT: High-chromium white cast iron contains chromium carbides that provide excellent wear resistance, but also cause poor fracture properties. Heat...

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Cast iron - Wikipedia

Cast iron is a group of iron-carbon alloys with a carbon content greater than 2%. Its usefulness .... High-chromium white iron alloys allow massive castings (for example, ... Malleable iron starts as a white iron casting that is then heat treated for a day or two at about 950 °C (1,740 °F) and then cooled over a day or two.

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This article appeared in a journal published by Elsevier. The…

Two heat- treated high-chromium white cast irons with different carbon contents were studied in this research work using compression at 500 °C, and wear and...

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Effect of heat treatment on the microstructure, hardness…

resistance of high chromium hardfacing was investigated. ... bilization of heat treatment of low carbon white cast iron ..... utectic high chromium white iron.

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Heat Treating of High-Alloy White Irons…

The high-alloy white irons are primarily used for abrasion-resistant applications and are readily cast in the shapes needed in machinery used for crushing,...

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Effect of Heat Treatment on Microstructure and…

The effect of heat treatment on the microstructure and mechanical properties of Ti-alloyed hypereutectic High Chromium Cast Iron (HCCI) containing Fe–17...

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