Heat treatment process for high chromium …
The heat treatment process of high chromium cast iron grinding ball includes wind quenching, oil quenching, and special quenching solution treatment. After repeated test and mining, the oil quenching can fully meet all its technical specifications The consumption of iron ore is twice that of iron ore. The heat treatment process is the use of two-stage heat quenching and low-temperature …
Heat treatment process of the high chrome cast …
ABSTRACT: A heat treatment process of high chromium cast iron grinding media with trace alloying elements Mo, V, NB was studied. The heat treatment processes of quenching at 980 °C, tempering at 400 °C and 600 °C was adopted. The microstructure of the quenched Matrix is quenched Martensite, tempered at 400 °C and tempered at 600 °C is ...
CN102899469B - Heat-treatment method of high …
The invention discloses a heat-treatment method of high-chromium wear-resistant white cast iron Cr28. According to the invention, high-chromium wear-resistant white cast iron Cr28 is heated to...
Heat Treating ASTM A532 | Chrome White Iron | …
The high level of chromium in high chrome white iron prevents the formation of graphite in the microstructure. Instead of graphite, the carbon in the metal becomes tied up in carbides. These relatively discontinuous chromium-rich, eutectic carbides exist with martensite to make up the microstructure. By controlling the chemistry of the metal and the heat treatment of the castings, toughness and wear resistance …
CN104195420A - High-chrome wear-resistant …
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 …
US4325758A - Heat treatment for high chromium …
A process for softening high carbon, high chromium steel to render it machinable includes pre-heating, homogenizing, isothermally annealing and slow cooling the steel. Heat treatment for high...
Heat Treatment Technology of High Chromium …
As an anti-wear material, High Chrome White Iron Castings have not only necessary strength and toughness, but also their hardness is the most important quality index. Some high chromium iron castings can obtain the required hardness in the as-cast state, but most of them need heat treatment to meet the hardness requirements. Heat treatment is almost a necessary process for every high …
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. The microstructure of irons …
Analysis of the High Chromium Cast Iron Microstructure ...
with simultaneous resistance to high temperatures. Heat treatment allows to significant improvement in mechanical and technological properties of alloys. the heat treatment is primarily elimination or casting stresses reduction of the hardness and increase machinability, also …
Heat Treating of High-Alloy White Irons :: Total …
Heat Treating of High-Alloy White Irons Abstract: 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, grinding, and general handling of abrasive materials. The large volume of eutectic carbides in their microstructures provides the high hardness needed for crushing and grinding other ...
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.
High Chromium Cast Iron: Part One :: Total …
Furthermore heat treatment can improve properties, all of interest, depending upon the particular applications. High-chromium irons have good mechanical properties, high hardness in a cast state, low fluctuation of hardness when properties change. High-chromium irons almost don’t concede in fluidity to regular gray cast iron that allows using parts sufficiently difficult form directly after ...
Microstructural Modifications of As-Cast High …
04.09.2008 · The effect of each heat treatment on the hardness of the alloy was correlated with the attained microstructure. 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 mixtur . The initial as-cast microstructure of a high-chromium (2.35% C, 18.23% Cr) white cast iron consisting of primary …
What is Chrome White Iron – ASTM A532? | …
Understanding Chrome White Iron Posted by Penticton Foundry on September 22, 2016. In several of our datasheets, such as our datasheet on ASTM A532 Class II Type D, we get specific about each alloy and its mechanical and physical properties.In fact, to see each datasheet click on the links on our chrome white iron webpage.. This blog, in contrast, contains a generic overview of chrome white iron.
Materials - What stuff is made out of - Capri Tools
Regardless of the heat treatment, higher carbon content reduces weld ability. Chrome Vanadium: Chrome vanadium is a type of spring steel that was pioneered by Henry Ford for use in the Model T in 1908. It contains approximately 0.8% chromium and 0.1-0.2% vanadium, which improves the strength and toughness of the material when it is heat treated. Chrome molybdenum: Chrome molybdenum, …
Grinding ball casting line,grinding ball …
Ningguo Zhicheng Machine Manufacturing Co.,Ltd,incorporated in 1998 in Ningguo City,was first established as a manufacturer of Grinding Ball Equipment with 5000 square meters in total,over 100 employees and nearly 20 technicians.Gaining over 50 patented certificates.Now it is the pioneer in China who specialize in producing grinding ball molding line, Grinding ball mold, Grinding ball heat ...
high chrome cast iron heat treatment - …
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 casting after preparation. Get Price. Microstructural ...