EXPLORE THE NEW TRENDS AND ADVANCED TECHNOLOGIES IN THE HEAT TREATMENT EQUIPMENT INDUSTRY
Ask for a free consultation Ask for technical supportTempering is a heat treatment process aimed at changing the microstructure of metal materials by heating and cooling them, in order to regulate hardness, improve toughness, and reduce brittleness. Tempering is commonly used in the heat treatment process of metal materials such as quenched and tempered steel and alloy steel.
A commonly used box type tempering furnace(Click on the image to view product details)
Tempering process:
Heating: Reheating metal materials that have been quenched or normalized to a certain temperature range. This temperature is usually lower than the quenching temperature, usually between 400 ° C and 700 ° C.
Insulation: Keep the metal material at the tempering temperature for a certain period of time to ensure uniform internal temperature and change the microstructure.
Cooling: Cool the heated and insulated metal material to room temperature. The cooling rate can be natural cooling or controlled by controlling the cooling medium.
The effect of tempering:
Improving toughness: The tempering process can eliminate the internal stress of the quenched metal material and readjust its microstructure, thereby improving the toughness of the metal material.
Reducing hardness: The tempering process can reduce the hardness of metal materials, making them more machinable and reducing brittleness. It is suitable for some applications that do not require high hardness but require toughness.
Improving the uniformity of mechanical properties: The tempering process can make the microstructure of metal materials more uniform, improving the stability and consistency of their mechanical properties.
An atmosphere furnace that can be used for tempering (click on the image to view product details)
Application areas of tempering:
Mechanical manufacturing industry: used for quenching and tempering various mechanical parts to improve their toughness and machinability.
Automotive manufacturing industry: used for heat treatment of automotive components to improve their strength and wear resistance.
Aerospace industry: used for heat treatment of aerospace components to improve their fatigue and corrosion resistance.
Precautions for tempering:
The tempering temperature, time, and cooling rate need to be reasonably selected based on the type of metal material, process requirements, and application scenarios.
During the tempering process, it is necessary to strictly control the heating temperature and holding time to avoid material performance degradation caused by overheating or over tempering.
Sufficient preliminary testing and process validation are required for the tempering process to ensure that the tempering effect meets the requirements.
Vacuum tempering furnace (click on the picture to view product details)
Tempering plays a crucial role in multiple industries. For example, in the automotive manufacturing industry, components such as crankshafts, pistons, and camshafts need to undergo tempering treatment to improve their mechanical properties and wear resistance. Similarly, in the mechanical manufacturing industry, various tools, cutting tools, molds, etc. also need to undergo tempering treatment to improve their service life and performance. In steel metallurgy, tempering is an important process used to adjust the properties of quenched steel, making it suitable for manufacturing various structural components, bearings, springs, etc.Click to learn more heat treatment furnace! Or click on online customer service to learn more about product information!
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