Heat Treatment Of High Chrome White Iron

  • heat treatment of cast iron a532 class

    Heat Treatment in High Chromium White Cast . 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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  • Effect of tungsten on microstructure and properties …

    01/08/2012· Highlights Effect of tungsten on high chromium cast iron has been investigated. Microstructure and properties of the high chromium cast iron were analyzed. Tungsten element distributed uniformly in the matrix and carbides. W carbides are composed with WC 1− x, W 6 C 2.54, CW 3 and W 2 C. Mechanical property and wear resistance are significantly improved by addition of W.

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  • Wear resistance of high chromium white cast iron …

    Heat treatment. The annealing of high-chromium white cast iron alloys is conducted when it is necessary to machine the pieces before destabilization. This treatment is applied to obtain a soft matrix with the maximum amount of ferrite after solidification, creating excellent conditions for machining. The decomposition of austenite into ferrite and carbides is a phenomenon that occurs at ...

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  • Research Article Heat Treatment in High Chromium White ...

    e ects of both Ti-additions and heat treatment conditions on microstructure as well as abrasion resistance and impact toughness. 2. Experimental Work e chemical composition of the studied high Cr-Mo white iron is given in Table . Sulphur and phosphorous contents werebelow. %. ealloysweremeltedinamedium frequency induction furnace. Titanium was ...

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  • Microstructure and wear resistance of high chromium cast ...

    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. 180 V11 3 2014 CIA DRY Research Development Fig. 1: Microstructures of high ...

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  • Effects of Heat Treatment Process on …

    High Chromium wear-resistant cast iron is widely used because of its excellent wear resistance. High Chromium cast iron grinding balls are widely used in cement, mining, thermal power generation, etc. To improve the production and heat treatment process of grinding balls and actively explore the relevant laws in the production process has a good guiding role for the actual production.

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  • (PDF) Microstructural Modifications of AsCast High ...

    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 M7C3 carbides/austenite was extensively modified by four different heat treatments: H.T.A:

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  • Heat Treatment in High Chromium White Cast …

    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 toughness combination is reported.

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  • Cast Hi Chrome Heat Treatment Annealing

    Cast Hi Chrome Heat Treatment Annealing. High Carbon/High Chrome Tool Steel - Cincinnati Tool Steeloriginal size. D2 has the minimum distortion in heat-treatment as compared with other tool steels. Typical Analysis Carbon 1.55 Molybdenum 0.080 Chromium 12.00 Vanadium 0.090 Annealing Use a controlled-atmospheric furnace or pack in some inert material in a . Chat Online. Methods For Heat ...

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  • Soft Annealing of High Chromium White Cast Iron …

    The effects of chromium, nickel, manganese, molybdenum and silicon are discussed in relation to recently developed heat treatment procedures by which high-chromium white iron castings can be ...

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  • Microstructural Modifications of As-Cast High-Chromium ...

    05/06/2008· Microstructural Modifications of As-Cast High-Chromium White Iron by Heat Treatment A.E. Karantzalis, A. Lekatou, and H. Mavros (Submitted June 5, 2008) 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 M 7C 3 carbides/austenite was extensively modified by four different heat ...

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  • White Iron Foundry - Townley Engineering & …

    With five induction furnaces capable of pouring up to 16 tons of white iron, we consistently have some of the shortest lead times in the industry. Townley Foundry produces many alloys on a regular basis like High chrome HC-27, HC28, NIHARD4 and CM-22 (chrome-moly) for abrasion resistance and HC-34, CD-4 MCU, GR4 and other alloys for better corrosion resistance. High performance alloys require ...

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  • Microstructure and wear resistance of high chromium cast ...

    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. 180 V11 3 2014 CIA DRY Research Development Fig. 1: Microstructures of high ...

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  • Effect of Heat Treatment on Microstructure and Mechanical ...

    grinding roll from NF6357A-high chrome Iron alloy for crushing of solid mineral and grinding operations in a ball mill for cement production. The casting conditions, and the evolved microstructure after heat treatment greatly affect the wear performance of high chromium white cast iron. Quenching, seeding and micro-alloying can, to a limited ...

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  • Effect of heat treatment on wear and corrosion …

    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. Corrosion tests were carried out using the potentiodynamic ...

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  • specification for hi chrome iron castings astm a532 82

    heat treatment of high chrome white iron. HiChrome Iron Castings Pacific Alloy Casting Co., Inc. HiChrome Iron Castings – Pacific Alloy Casting, Los Angeles, California. Specifiion for HiChrome Iron Castings – ASTM A53282. This specifiion covers a group of white cast irons that have been alloyed to secure high resistance to abrasion. > Learn More . Get Price. High Chromium Irons CRP ...

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  • Wear resistance of chromium cast iron

    30% Cr in whole range it is white cast iron. Besides chromium it usually include other alloy additions from which the most important are: Mo to 3% and Ni to 5%. Moreover its cast iron may include not large amount: Cu, V, Ti, W, B and N. Taking into account different combination of chemical composition its initial microstructure is usually made up of matrix and carbides, which type mainly ...

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  • (PDF) Microstructural Modifications of AsCast High ...

    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 M7C3 carbides/austenite was extensively modified by four different heat treatments: H.T.A:

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  • Effect of Heat Treatment on Wear Resistance and …

    Martensitic chromium white cast irons find extensive industrial applications for resisting wear coupled with impact forces. Out of the several possible heat treatments for developing a martensitic chromium white cast iron, the arrested cooling heat treatment offers the best combination of wear resistance and impact strength, providing properties comparable to that of the standard Ni-Hard type ...

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  • Chrome white iron - farspa.com

    High Chrome alloy of high wear resistance, with a fine dispersion of Chrome-carbides (approx. 25%) in a martensitic matrix. 60 65 Blow Bars specially designed, Liners etc. FX25/A A White Cast Iron 25% chromium studied with the purpose of being a valid alternative in applications that displayed defect of typical materials. Improved impact strenght and hardness of 51-57 HRC make FX25/A as an ...

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  • Microstructural Characteristics and Mechanical Properties ...

    Changing in chemical composition and heat treatment carried out to this alloy from about 205 MPa for high-carbon grades to about 415 MPa related to microstructural characteristics and mechanical properties of high Cr white cast iron alloys are oresented. Keywords: High-Cr WCI alloys, microstructural characterization, abrasive wear resistance ...

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  • High chromium white iron cast alloy ASTM A532 …

    High chrome white iron cast alloy's superior wear resistance is due primarily to a high volume fraction of very hard, well-dispersed primary and secondary carbides in a matrix of martensite. The high chromium content provides good resistance in corrosive environments and good oxidation resistance. COMPOSITION. C % 2.0 - 3.5 . Mn % - 1.5 max. Si % - 1.0 max. Cr % 14-18, or 25-28 ...

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  • High chromium white iron cast alloy ASTM A532 …

    High chrome white iron cast alloy's superior wear resistance is due primarily to a high volume fraction of very hard, well-dispersed primary and secondary carbides in a matrix of martensite. The high chromium content provides good resistance in corrosive environments and good oxidation resistance. COMPOSITION. C % 2.0 - 3.5 . Mn % - 1.5 max. Si % - 1.0 max. Cr % 14-18, or 25-28 ...

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  • Microstructural Modifications of As-Cast High …

    04/09/2008· Microstructural Modifications of As-Cast High-Chromium White Iron by Heat Treatment. A.E. Karantzalis 1, A. Lekatou 1 & H. Mavros 1 Journal of Materials Engineering and Performance volume 18, pages 174 – 181 (2009)Cite this article. 938 Accesses. 46 Citations. Metrics details. The initial as-cast microstructure of a high-chromium (2.35% C, 18.23% Cr) white cast iron consisting of …

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