How to avoid the seizure of stainless steel screws and stainless steel nuts

August 29, 2021

Why can't stainless steel screws and stainless steel nuts be used together? This is mainly due to the material of the stainless steel. When the stainless steel screw is assembled with the stainless steel bolt and the stainless steel nut in the assembly of the low temperature pipe flange, the seizure often occurs, and it is difficult to remove it.

stainless steel screw

Therefore, stainless steel screw manufacturers generally do not recommend stainless steel screws and stainless steel nuts. If stainless steel screws are used together with stainless steel nuts, then what should we solve the problem of seizure?

1. It can be used for deep-cold treatment, and the stainless steel screw is infiltrated into the low-temperature liquid nitrogen tank for a certain period of time to reduce the deformation caused by the temperature difference and the metallographic structure, thereby improving the sealing performance of the valve at low temperature.

2. Replace the stainless steel nut with other materials, or change the basic one to another material. This avoids the seizure of stainless steel bolts and stainless steel nuts.

3. There is currently a technique that prevents the bite of the screw from engaging the nut.

4. When using stainless steel screws and stainless steel nuts, grease the stainless steel screws (szsst88.com) to avoid the stainless steel screws.

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