Stainless steel bolt is a common connection, because it has the advantages of not easy to rust, corrosion resistance, sturdy and durable, it is widely used in various occasions, such as construction, machinery, automotive and other fields. However, there are also some disadvantages of stainless steel bolts, which will be analyzed in this paper from the following aspects.
1. Expensive price
Compared with the general carbon steel bolts, the price of stainless steel bolts is much higher, this is because the cost of stainless steel materials is higher, and the production process of stainless steel bolts is also more complex, requiring higher technology and equipment. Therefore, the use of stainless steel bolts will increase the cost, which is one of the reasons why some low-cost projects or products are not willing to use stainless steel bolts.
2. Low strength
Stainless steel bolts are usually made of stainless steel materials such as 304 or 316, the strength of these materials is relatively low, especially in harsh environments such as high temperature and high pressure. Therefore, in some high-strength requirements of the occasion, stainless steel bolts may not be able to perform, the need to use other materials of bolts.
3. Vulnerable to stress corrosion cracking
Stainless steel bolts are susceptible to stress corrosion cracking during use, especially in environments containing chloride ions, such as marine environments, swimming pools, etc. Stress corrosion cracking is a special form of corrosion, which can lead to cracks on the surface of the bolt, which in turn affects the strength and stability of the bolt. Therefore, in these environments, stainless steel bolts need to take appropriate protective measures or choose other more suitable bolts.
4. Difficult to weld
Stainless steel materials are difficult to weld and require the use of special welding equipment and technology, otherwise it will be easy to weld unsound, deformation, cracking and other problems. This is also a difficult point in the production process of stainless steel bolts, due to the difficulty of welding, the production cycle and cost of stainless steel bolts will also increase accordingly.
In summary, although stainless steel bolts have the advantages of not easy to rust, corrosion resistance, durability and so on, but there are also expensive, low strength, susceptible to stress corrosion cracking, welding difficulties and other shortcomings. Therefore, when choosing bolts, you need to consider various factors according to the specific situation and choose the most suitable bolt material and specifications.
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Post time: Mar-29-2023
