Primary quenching steel shot is a heat treatment process that rapidly cools and heat-treats steel to form a hard structure on the surface and inside, thereby increasing the hardness and strength of the steel. Quenched steel shot is usually used in special applications requiring high hardness and wear resistance, such as metal surface cleaning, sandblasting, polishing and removal of oxide layer, etc.
Quenching process: Quenching is to heat the steel shot to a critical temperature (usually a fixed temperature), and then rapidly cool the steel shot to make it rapidly transform into martensite or bainite. These hard organizational structures endow the steel shot with higher hardness and wear resistance.
features
After quenching, its hardness is generally higher than that of ordinary steel shot, which makes it more effective in cleaning and removing dirt, oxide layers and coatings on the metal surface.
Its hard structure endows it with better wear resistance, so that the steel shot can withstand more impact and use, prolonging its service life.
Quenching treatment can also improve the strength of steel shot to keep its structure stable under high-speed impact and high load.
Primary quenching steel shot is widely used in metal surface treatment, such as cleaning and pretreatment of metal surface, removing oxide layer, welding slag, grease and dirt, etc., in preparation for subsequent painting, spraying, chrome plating and other treatments.
In the sandblasting process, it can be used for surface polishing and removal of dirt and bad layers on the surface of materials.
High impact energy can be generated during the metal polishing process to improve the finish and flatness of the metal surface.
Due to its high hardness, it is necessary to select the appropriate specification and hardness level according to the specific application requirements and equipment requirements when using it, and also pay attention to appropriate operation and safety measures to ensure the safety of operators.
Advantages of Primary quenching steel shot
1. High hardness: the quenched steel shot has a high hardness, which can reach 40~57HRC, and is suitable for working environments with high load and high wear, such as mines and cement plants.
2. Good wear resistance: due to the high hardness of the primary quenched steel shot, its wear resistance is also very good, and it can run stably for a long time in various complex environments, which can effectively prolong the life and stability of the equipment.
3. Good toughness: Although the hardness of the primary quenched steel shot is very high, its toughness is also very good. It can not easily break under strong impact load and maintain a long-term high-efficiency working state.
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