On the Corrosion Resistance of Special Materials for Single Ear Hose Clamp Products
Time of Release：
2021-09-24
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 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?
Of course, we must start with the selection of suppliers, and try to choose large steel plants.
Second, carefully check the chemical composition after getting the warranty certificate.
Third, the most critical step for the single-ear hose clamp. 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.
The author got 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 single-ear hose clamp industry? Generally, Single Ear Hose Clamps are used by large steel plants, and the manufacturers of Single Ear Hose Clamps with screws tell you that hose clamps generally use hard stainless steel, and large steel plants do not produce hard steel. Therefore, the general salt spray test can not reach more than 500 hours.
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