Anti-rust measures for fasteners such as bolts and screws


The role of fasteners such as bolts and screws in daily […]

The role of fasteners such as bolts and screws in daily life is known. In the use, rust will occur. This is a headache for everyone. Once rusted, it will not only affect the appearance but also affect its performance. The use has a great influence, so pay attention to the following situations during use to prevent rust.

1. The attachment of dust or dissimilar metal particles, in the humid air, the condensate of the attached material and the stainless steel screw, and the two are connected into a micro-battery, which triggers an electrochemical reaction and the protective film is destroyed. Chemical corrosion.

2. The surface of the stainless steel screw adheres to the organic juice. In the case of water and oxygen, it constitutes an organic acid. For a long time, the organic acid corrodes the metal surface.

3. The surface of stainless steel is rich in acid, alkali and salt, which causes local corrosion. the polluted air (such as the atmosphere rich in large amounts of sulfide, carbon oxides, nitrogen oxides), in the case of condensed water, constitutes sulfuric acid, nitric acid, acetic acid liquid point, causing chemical corrosion.

It is necessary to avoid these situations during use, and regularly check and maintain these parts to reduce the corrosion of the parts, which is also very helpful for the development of the enterprise.

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