Steel and materials will be worn in contact with each other for a period of time, which may lead to damage. Now there are two types of wear, one is intentional wear, one is unintentional wear, intentional wear, such as steel grinding, grinding, sandblasting and so on, these are based on a need to deliberately lead to steel damage. However, unintentional wear is a common situation in the operation of the equipment. The wear caused by the contact between the material and the equipment is the main cause of equipment damage. Therefore, it is very important to use appropriate materials to protect the steel surface from damage to parts. Although steel itself has wear resistance, most of them cannot meet the requirements of long-term use, especially in the environment where material impact is very large. Therefore, in the market, there have been several kinds of wear-resistant steel made specifically to prevent damage, known as wear-resistant steel.
Similar to other types of steel, wear-resistant steel is made of iron ore sand and is made of carbon and other alloying elements. The iron ore is melted in the blast furnace, and then the bad substances that may occur in the ore are removed. During this period, alloying elements such as carbon are added. The wear-resistant steel contains a large amount of alloying elements such as carbon, such as chromium and manganese. Increasing these alloying elements can make the steel not easy to damage. In addition, alloying elements that prevent oxidation are introduced into the melting pool. After the above process is completed, the melted wear-resistant steel will be formed, heat treated and cut. The alloying element of wear-resistant steel is one of the reasons why wear-resistant steel is more wear-resistant than other steels. Wear-resistant steel uses several types of materials to improve wear resistance. For example, carbon can improve the hardness and strength of steel, chromium and manganese are beneficial to reduce wear. Another factor in the wear resistance of steel is heat treatment. Wear resistant steel must have a microstructure that makes it high hardness, which is partly achieved by adding appropriate alloying elements. However, this is not enough to ensure that it produces appropriate microstructure. The steel must also produce a microstructure with high hardness through heating and rapid quenching. When heating the wear resistant steel, care should be taken. If it is heated to a sufficiently high temperature, it may also produce an annealing effect, thereby reducing its hardness and reducing wear resistance.
There are several different kinds of wear-resistant steel on the market. Because strength is one of the main factors to improve wear resistance, each steel has a specific hardness value. Other steels often pay more attention to compressive strength and toughness during manufacturing, and wear-resistant steels that attach importance to hardness are often used in mining equipment. Cement pouring. Forming equipment. The anti-wear needs of excavation equipment and conveyor system.
