Investigation and Optimization of Cutting Performance of High Chrome …
High chrome white cast iron with 90 mm diameter ball sample supplied by Çemaş A.Ş from Turkey has been used. ... The heat treatment process involves heating and cooling a metal or alloy to change its mechanical and physical properties, making them more desirable. The samples were processed according to the defined heat treatment conditions ...
Heat Treatment of White Cast Irons | Metallurgy
Because of castability and cost (much cheaper than stainless steels), high chromium (12-39% Cr) white iron castings of complex and intricate shapes are used for high temperature applications. …
What is Chrome White Iron – ASTM A532?
The chromium in high chrome white iron reduces the cooling rate required to produce carbides throughout the material, allowing massive castings to be manufactured with carbides throughout their section-thickness …
Heat Treatment in High Cr White Cast Iron Nb Alloy
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. …
An Overview on Types of White Cast Irons and High …
The paper is aimed to give an overview on the white cast iron alloys, and particularly high chromium white cast iron alloys, including their classifications, their standard …
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 …
High Chromium Cast Iron: Part One
Explore the properties of high-chromium white iron, its applications in industries requiring exceptional wear and corrosion resistance, and the impact of heat treatment on its hardness and microstructure. Learn about the optimal heat …
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 ...
Optimizing heat treatment and wear resistance of high …
R.L. Pattyn, Heat treatment of high-Cr white irons, AFS Transactions 93 (1988) 161–167. [10] P.G. Winchell, M. Cohen, The effect of carbon on the hardness of martensite and austenite, Transactions of the Metallurgical Society of AIME 224 (1962) 639. [11] ... Inthidech, P. Sricharoenchai, N. Sasaguri, Y. Matsubara, Behavior of hardness and ...
Microstructural effect and wear performance of high chromium white …
The present work analyzes the effect of V, W, and different Cr contents on the microstructure and wear behavior of a high chromium white cast iron. The alloys were characterized by scanning electron microscopy and X-ray diffraction. Results show that the simultaneous addition of V and W promoted the formation of the W6C and VC carbides. This …
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 …
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 …
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 …
Microstructural Investigation on Heat Treatment of Hypoeutectic High
[1] Chen X., Li Y. and Zhang H. 2011 Microstructure and Mechanical Properties of High Boron White Cast Iron with about 4 wt. % chromium Journals of Materials Science 46 957-963 Google Scholar [2] Ngqase M. and Pan X. 2019 ICMM 19 (Hyderabad, India) An overview on high chromium white cast irons Google Scholar [3] Nyokong F. and Pan X. 2019 A Review on …
An Overview on Types of White Cast Irons and High Chromium White …
Effect of Cu addition on hardness and microstructural features of low alloy white cast iron; XRD Investigation on Heat Treatment of High Chrome White Cast Irons; High-temperature abrasion resistance and wear mechanisms of chilled high-chromium cast irons; Corrosion behavior of newly developed heat treated 10Mn-2Ni-3.5Cr-1.5Cu alloy
High-Chromium Cast Iron
The high-chromium cast irons respond to heat treatment when the carbon and chromium contents are appropriately adjusted. However, machining of these alloys is very difficult. ... (980°C). However, these high-chromium irons have a white iron structure. Even though they have good strength properties, they also have limited machinability.
(PDF) A Review on Heat Treatment of Cast Iron: …
A Review on Heat Treatment of Cast Iron: Phase Evolution and Mechanical Characterization. October 2022; Materials 15(7109) 15(7109) ... As a result, graphite cast iron's high wear resistance is.
Abrasion Resistance of as-Cast High-Chromium Cast Iron
XRD Investigation on Heat Treatment of High Chrome White Cast Irons. Article. Full-text available ... 23С6. Keywords: alloying elements, cast state, high-chromium cast iron, heat treatment, phase ...
Advantages of High Chrome White Iron
In addition, the heat treatment that is done to the casting ensures that the hardness of the martenite structure is of maximum benefit for the given application. ... For a specific example where high chrome white iron significantly reduced downtime and saved a company millions in reduced outages, read this story. Search. Search.
High Alloyed Cast Irons
Martensitic White Iron (Ni-Hard) Wear Resistant ASTM A 532 High-Chromium Iron (11-28%Cr) Wear, Corrosion, and Heat Resistant ASTM A 532 Graphite Bearing Ferritic 5% Si Iron (Silal) Heat Resistant High (15%) Silicon Iron Corrosion Resistant ASTM A 518, A 518M ... chromium cast irons respond to heat treatment when the carbon and chromium contents ...
Heat Treatment Effect on Microstructure, Hardness and …
The high chromium white iron, Cr26, was cast from 1500 ℃ as 80 mm diameter balls into a chilled mold. The chemical composition was given in Table 1. The specimens with dimensions of 12 mm´12 mm´19 mm were used for heat treatment and wear tests, and the specimens were cut from the cast bars, respectively. Cutting was done as slow
The Improvement of Wear and Impact Resistance of …
crusher with high chromium white cast iron can be improved by heat treatment (Long, S.Y et al., 2006). High chromium white cast iron is a material suitable for use in work environments with friction and impact. High chromium white cast iron has high hardness, high wear resistance, and relatively cheap manufacturing
Effect of Heat Treatment on Microstructure and Hardness of a High …
High-chromium cast iron (HCCI) is widely used for manufacturing mill rolls due to its high wear resistance, hardness, low cost and good adaptability to manufacture [1,2,3,4].Despite the active application of rolls from high-speed steels, HCCI rolls still occupy a large share of the market [].The cast microstructure of the external layer of rolls from HCCI …
Wear Mechanism of High Chromium White Cast Iron and Its …
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 …
Microstructure and mechanical properties of a Mo alloyed high …
Microstructural modifications of as-cast high-chromium white iron by heat treatment. J. Mater. Eng. Perform., 18 (2009), pp. 174-181. Crossref View in Scopus ... Solid-state phase transformation in metallic matrix of high-chrome cast iron in subcritical temperature range. Metallofiz. Noveishie Tekhnol., 37 (2015), pp. 1349-1367 (in Russian ...
Optimizing heat treatment and wear resistance of high …
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 …
Alloy Data Sheet – Pliant25 High Chrome White Iron
Pliant25 is a unique high chrome white iron that has been perfected by Penticton Foundry. Our engineered chemistry together with our proprietary heat treatment allows us to …
SF&E Flexes with High Chrome White Iron …
High chrome white iron grades are commonly used in pump and valve parts for the mining, agricultural, and paper industries with applications that work with stones, rocks, slurry, and cement. ... 25% chrome white iron, are corrosion …
Properties and applications of Ni-Hard alloys
Heat treatment Finishing the castings Welding Machining ... the hardness of white iron to the abrasive hardness1,2. Hardness ratio (metal: abrasive hardness) ... 0 0.2 0.4 0.6. 6 Properties and applications of Ni‑Hard alloys At a high ratio, abrasion resistance is high, but when the ratio drops below 0.6 there is a wide scatter and the slope ...
High hardness and toughness of white cast iron: The …
After heat treatment, discal samples with a diameter of 80 mm for hardness test and samples with a dimension of 10×10×55 mm 3 without groove for Charpy impact test were prepared by cutting balls along their radial directions. The HRC hardness was measured using a Rockwell hardness tester with a load of 150 kg, and the impact toughness was measured with …