Wear-resistant steel balls are widely used in cement building materials, thermal power generation, metallurgical mining, chemical industry, coal water slurry, pellets and other fields during operation. Wear-resistant steel balls are also called wear-resistant media for grinding machines. The main purpose of the consumables is to grind the materials, so that the materials are ground finer to meet the use standards, mainly used in mines, power plants, cement plants, steel plants, silica sand plants, coal chemical industries.
When the wear-resistant steel ball is produced, its low-chromium steel ball is mainly produced by means of frequency electric furnace melting, metal mold or sand casting. Therefore, domestic wear-resistant material manufacturers are often called low-chromium alloy cast balls. Whether the abrasive steel ball is wear-resistant, the most important data is the hardness test, which can be tested by Rockwell hardness tester. Practice has shown that the service life of steel balls above HRC60 is twice that of HRC40-50.
The standard requirements for wear-resistant steel balls are relatively low, and the low-chromium ball hardness (HRC) must be ≥45 degrees or more. If the quality of the low-chromium balls is used, it is recommended to use heat treatment tempering or vibration aging treatment. If the hardness (HRC) is less than 40 degrees, the hardness of the low-chromium ball is insufficient or excessively burnt.
Under special conditions, abrasive steel balls of special materials are often required to perform the functions required in different environments. In fact, some special material steel balls have been widely used in various fields of the national economy, including high-chromium grinding steel balls, high-chromium steel forging, low-chromium grinding steel balls, and low-chromium steel forging.