The blackening of the stainless steel heat exchange tube will not only cause unsightly appearance, but also affect the performance quality, so it needs to be prevented in advance.
The blackening of stainless steel heat exchange tubes is generally caused by raw materials, heat treatment, and quenching oil.
In order to avoid the blackening of stainless steel heat exchange tubes, the following are the prevention methods:
1. Strengthen production quality control: The production of stainless steel heat exchange tubes should strictly control every link to ensure the quality of raw materials, heat treatment process and quenching oil.
2. Regularly maintain equipment: Regularly inspect and maintain heat treatment equipment. The use status of the equipment also has a direct impact on the quality of stainless steel heat exchange tubes.