On the Corrosion Resistance of Special Materials for Single Ear Hose Clamp Products
Time of Release：
2021-09-06
The manufacturer of Single Ear Hose Clamp tells you that whether the stainless steel material meets the standard is not directly related to the rust resistance performance.
The manufacturer of Single Ear Hose Clamp tells you that whether the stainless steel material meets the standard is not directly related to the rust resistance performance. In other words, it is not possible to know the quality of the material's chemical properties from a single material report.
The manufacturer of Single Ear Hose Clamp tells you that the corrosion resistance of stainless steel mainly depends on the place of production of the stainless steel material and the crystal structure. Specifically, even if the key nickel element and chromium content of stainless steel 304 are above the standard. However, due to small steel mills or local steel, the quality of the steel does not exist, and the crystal phase structure is unqualified. It will also greatly reduce the corrosion resistance of stainless steel.
So how should it be judged in production practice? The manufacturer of Single Ear Hose Clamp tells you that, of course, you should start with the purchase of suppliers, try to choose large steel plants, such as some well-known steel plants, and secondly check the chemical composition carefully after obtaining the warranty certificate.
Third, the most critical step. The manufacturer of Single Ear Hose Clamp tells you that after grasping the first two steps, the last step is to use a standard salt spray test box to conduct a salt spray test on the material according to the specification.
Get it in practice. The salt spray time of stainless steel 304 in large steel plants can reach more than 500 hours. However, the stainless steel salt mist trained by a small steel plant using an intermediate frequency furnace and recycled materials can only reach less than 48 hours. This is the gap.
So how does it manifest itself in our hose clamp industry? Generally, Single Ear Hose Clamps are used by large steel mills. However, the general use of hose clamps with screws is hard stainless steel, and large steel mills do not produce hard stainless steel. Therefore, the general salt spray test can not reach more than 500 hours.
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