nickel chromium white iron grinding balls

nickel chromium white iron crusher grinding balls

Nickel Chromium White Iron Grinding Balls. NickelChromium White Irons The oldest group of highalloy irons of industrial importance the nickelchromium white irons or NiHard irons have been produced for more than 50 years and are very costeffective materials for crushing and grinding In these martensitic white irons nickel is the primary alloying element because at

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Metallurgical Aspects of HIGH- CHROMIUM WHITE IRONS

2019-8-8  NICKEL-CHROMIUM WHITE IRONS The oldest group of high-alloy ironsofindustrialimportance,the nickel-chromium white irons (Ni-Hard irons), have been produced for more than 50 years and are cost-effective materials for crushing and grinding. In these martensitic white irons, nickel is the primary alloying element, because3 to5%Niiseffectivein

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Effect of Heat Treatment on the Hardness and Wear of ...

2017-10-2  Quenching from 950°C with compressed air cooling and tempering at 250°C for grinding balls of chromium-nickel white cast iron makes it possible to improve wear resistance and hardness. The main structural components governing wear resistance are carbide phase and a martensitic matrix.

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High-Alloy White Irons - Foundry Gate

2018-7-10  Nickel-Chromium White Irons The oldest group of high-alloy irons of industrial importance, the nickel-chromium white irons, or Ni-Hard irons, have been produced for more than 50 years and are very cost-effective materials for crushing and grinding. In these martensitic white irons, nickel is the primary alloying element because at

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High Chromium White Irons for Mining, Grinding and ...

2020-9-3  High chromium white irons of hypoeutectic grade (Table 1) are largely used in mining, grinding and materials handling where their performance happens to be a function of not only the microstructure and properties, but also the abrasive wear resistance and ability to withstand impact.

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Low white cast iron grinding slug - Norcast Corporation

1990-1-8  Because of its outstanding wear resistance, a nickel-chromium white cast iron known as Ni-Hard has been successfully used for over forty years to make grinding media. The microstructure of Ni-Hard consists essentially or carbide and martensite, and its hardness is 600 Brinell in the chill cast and stress relieved condition.

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Introduction and application of high chromium

2019-12-20  Ball mill is cement, power, mining and other industries grinding process of the main equipment, ball mill is one of the main vulnerable parts of the ball mill.The grinding ball should have high wear resistance and toughness.Its wear resistance to the production of a very important role.Therefore, it is very important to improve its hardness, impact resistance and wear resistance.In order to improve the densification and reduce hot cracking of cast iron balls, Changzhi iron

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High-Alloy White Irons :: Total Materia Article

High-Chromium White Irons The high-chromium white irons have excellent abrasion resistance and are used effectively in slurry pumps, brick molds, coal-grinding mills, shot-blasting equipment, and components for quarrying, hard-rock mining, and milling. In some applications they must also be able to withstand heavy impact loading.

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Ni-Hard - Nickel Institute

name for a family of white cast irons alloyed with nickel and chromium to give high hardness and outstanding resistance to abrasion. There are two distinct groups of Ni-Hard compositions: • the medium alloyed Ni-Hard 1 and Ni-Hard 2 with, nominally, 3.3% (resp 2.6%) C, 4% Ni, 2% Cr • Ni-Hard 4 with, nominally, 3% C, 9% Cr, 5% Ni, 2% Si.

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Analysis and Improvement of out of Round Grinding

Two- and three-body abrasive wear behaviour of different heat-treated boron alloyed high chromium cast iron grinding balls[J]. Journal of Materials Processing Tech.,2000,105(3). DOI: 10.1016/s0924-0136(00)00550-1

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High-Alloy White Irons - Foundry Gate

2018-7-10  The high-alloy white cast irons fall into two major groups: Nickel-chromium white irons, which are low-chromium alloys containing 3 to 5% Ni and 1 to 4% Cr, with one alloy modification that contains 7 to 11% Cr, Chromium-molybdenum irons containing 11 to 23% Cr, up to 3% Mo and often additionally alloyed with nickel or copper. A third group comprises the 25% or 28% Cr white irons, which may ...

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Low white cast iron grinding slug - Norcast Corporation

1990-1-8  Compositional ranges suggested for the manufacture of Ni-Hard grinding balls and slugs are about 3% carbon, 0.5% silicon, 0.5% manganese, 1.5-4% nickel and 1.0-2% chromium, the rest being iron. A low alloy white cast iron having a hardness and a microstructure similar to those of Ni-hard was disclosed in Canadian Patent No. 1,125,056 owned by ...

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Heat Treating of High-Alloy White Irons :: Total

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.

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Ni-Hard - Nickel Institute

name for a family of white cast irons alloyed with nickel and chromium to give high hardness and outstanding resistance to abrasion. There are two distinct groups of Ni-Hard compositions: • the medium alloyed Ni-Hard 1 and Ni-Hard 2 with, nominally, 3.3% (resp 2.6%) C, 4% Ni, 2% Cr • Ni-Hard 4 with, nominally, 3% C, 9% Cr, 5% Ni, 2% Si.

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80mm high Chromium ball , High Chrome cast iron

High chromium Cast Iron Balls. High chromium ball also known as wear-resistant steel ball ,are widely used in the ball mill grinding process. Production technology : Iron mould coated sand production line, constant temperature pouring casting, the bottom leakage type pouring,pouring the inlet filter. Application :

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White cast iron and wear/abrasion resistant castings_沈阳 ...

2019-6-19  Ni-Hard is a white cast iron, alloyed with nickel and chromium suitable for low impact, sliding abrasion for both wet and dry applications. Ni-Hard is an extremely wear resistant material, cast in forms and shapes which are ideal for use in abrasive and wear environments and applications.

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Base Metals - MINTEK MINTEK

This has resulted in the identification of a number of potential ball types, such as martensitic ductile iron balls or Austempered Ductile Iron (ADI) balls that could be developed into cost effective alternatives to the heat treated high chromium white cast iron (HCWCI) grinding balls used in the platinum industry.

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Alloy data sheet high chrome white iron 25%

2016-1-13  Alloy Data Sheet – 25% High Chromium Alloy Posted by Penticton Foundry on January 13, 2016 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

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Analysis and Improvement of out of Round Grinding

Two- and three-body abrasive wear behaviour of different heat-treated boron alloyed high chromium cast iron grinding balls[J]. Journal of Materials Processing Tech.,2000,105(3). DOI: 10.1016/s0924-0136(00)00550-1

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Machining nickel alloys - Nickel Institute

Mainly nickel-chromium and nickel-iron-chromium Alloy DS 37.0 41.0 18.0 Si 2.3 alloys for acid and high temperature corrosion Alloy 330 N08330 35.5 44.0 18.5 Si 1.1 C applications. Similar in mechanical properties to austentic Allo y 20 N08020 35.0 3.5 37.0 20.0 2.5 0.6

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China Chromium White Cast Iron Grinding Balls -

China Chromium White Cast Iron Grinding Balls, Find details about China Grinding Ball, Grinding Steel Ball from Chromium White Cast Iron Grinding Balls - Xuzhou HG Wear-Resistant Material Co., Ltd

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high chrome and low chrome cast grinding ball

nickel chromium white iron wet ball mill balls. high chrome white cast iron as ball mill. Wear resistance of high chromium white cast iron for coal grinding rolls High chromium white cast iron alloy used in coal grinding components is a .. matrix microstructure on the wear of cast iron balls tested in

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High Chromium White Irons for Mining, Grinding and ...

2020-9-3  High Chromium White Irons for Mining, Grinding and Materials Handling Dipak Kumar Mondal* National Institute of Technology, Durgapur, India Opinion Table 1: Chemical composition of some common white irons [1]. Elements, wt.% Type C Mn Si Ni Cr Mo P S Cu 12Cr 2.0 - 3.3 2.0 1.5 2.5 11.0 - 14.0 3.0 0.1 0.06 1.2

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The Selection Design and Application of Mill Liners for ...

2016-6-6  applications as ball mill liners and grinding balls Typical microstructure of class 1 type D nickel-chromium white cast iron. Source: Perez and Stameroff (2003)

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Wear Mechanism of High Chromium White Cast Iron

2020-7-16  The detailed deformation mechanism and its microstructural modifications of white cast iron grinding balls used in comminution have been investigated using transmission electron microscopy (TEM) and XRD. De-shaping is the primary mode of ball consumption, and fracture of balls is a relatively uncommon failure mode. Deshaping is the manifestation of abrasive wear caused during the operation ...

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High-Alloy White Irons - Foundry Gate

2018-7-10  The high-alloy white cast irons fall into two major groups: Nickel-chromium white irons, which are low-chromium alloys containing 3 to 5% Ni and 1 to 4% Cr, with one alloy modification that contains 7 to 11% Cr, Chromium-molybdenum irons containing 11 to 23% Cr, up to 3% Mo and often additionally alloyed with nickel or copper. A third group comprises the 25% or 28% Cr white irons, which may ...

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Casting Production of Chromium Series Cast Iron

2021-6-16  3.1 Matrix structure (1) Carbide and Martensite. The microstructure of the chromium grinding balls are mainly carbide, and the carbide of high hardness in white cast iron is Fe3C, Cr3C, (Fe, CR)3C, Cr7C3, Cr22C6, WC, TiC, etc. , therefore, the size, number, distribution, shape of the grinding ball has a direct impact on the performance.

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Ni-Hard - Nickel Institute

name for a family of white cast irons alloyed with nickel and chromium to give high hardness and outstanding resistance to abrasion. There are two distinct groups of Ni-Hard compositions: • the medium alloyed Ni-Hard 1 and Ni-Hard 2 with, nominally, 3.3% (resp 2.6%) C, 4% Ni, 2% Cr • Ni-Hard 4 with, nominally, 3% C, 9% Cr, 5% Ni, 2% Si.

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Alloy data sheet high chrome white iron 25%

2016-1-13  Alloy Data Sheet – 25% High Chromium Alloy Posted by Penticton Foundry on January 13, 2016 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

Read More
Analysis and Improvement of out of Round Grinding

Two- and three-body abrasive wear behaviour of different heat-treated boron alloyed high chromium cast iron grinding balls[J]. Journal of Materials Processing Tech.,2000,105(3). DOI: 10.1016/s0924-0136(00)00550-1

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