How long is the shelf life of heat treated parts?
Release time:
2023-09-27
Heat treatment refers to the process of heating and cooling metal materials at a certain temperature, time and atmosphere to change the structure and properties of the material. Heat treatment is widely used in machinery, aerospace, automotive, construction and other industries. For some parts that require material strength, hardness, toughness and other properties, heat treatment is an indispensable process. So how long is the shelf life of heat treated parts?
First of all, the shelf life of heat-treated parts is closely related to the materials used, processing technology, storage conditions and other factors. Different materials and treatment processes have different effects on the shelf life of parts. Generally speaking, the shelf life of heat-treated parts can be divided into two situations: one refers to the service life of the parts under normal use conditions; the other refers to the storage time of the parts under unused conditions.
For the service life of heat-treated parts, a series of tests are generally required to obtain accurate results. Because the heat-treated parts will be subjected to a variety of forces during use, such as tensile force, compression force, and twisting force. At the same time, they will be affected by friction, wear, corrosion and other factors during use. The degree of influence is related to the shape, size, and use of the parts. Therefore, it is not possible to simply give a specific time to define the service life of a heat-treated part.
For the storage time of heat-treated parts, the shelf life is also affected by many factors. Generally speaking, for heat-treated parts, the shelf life has two stages. The first stage is that after treatment, the surface of the part will not be affected by structural changes. The shelf life of this stage is generally between 1 and 3 years. The heat-treated parts can be stored in a relatively dry and well-ventilated place. During this period, the surface condition of the parts should be observed regularly, and problems such as oxidation or corrosion should be dealt with in time. The second stage is when the surface of the part begins to be subjected to structural changes, corrosion, sharpness, shedding, etc. The shelf life of this stage is generally between 3 and 5 years, but this time is only an estimate and still needs to be processed according to the specific situation.
In general, for heat-treated parts, the shelf life depends on many factors, rather than simply giving a time frame. In daily operation, we should strengthen the quality management of heat-treated parts, ensure the conditions of storage and use, clean up the impurities and dirt on the surface of the parts in time, and maintain the smoothness and gloss of the surface, so as to ensure the quality and life of the parts in the process of use.
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