By RhinoTuning | 23 May 2025 | 0 Comments
Stainless Steel Push Through Center Cap Performance Testing Under Simulated Seawater Environment
In the feld of automotive parts, wheel center caps are aesthetic decorations and important components for protecting the wheels. In the face of complex and changeable environments, especially harsh conditions with strong corrosiveness such as seawater, the performance of the center hub cap is directly related to the safety and service life of the vehicle. To verify the performance of the stainless steel push through center caps, we carried out a rigorous 72-hour simulated seawater environment immersion test.
The corrosion of stainless steel in seawater is mainly affected by the following factors :
The method we use to simulate the production of seawater is the sea salt blending method. The specific steps are as follows: Prepare sea salt and purified water without additives and mix them in a certain proportion (33.5g of sea salt to 1L of water). During the mixing process, thorough stirring is necessary to ensure the complete dissolution of the salt. Then, use a salinity meter to measure and adjust the salinity of the seawater to the required range (such as 1.020-1.025). This method can precisely control the salinity of seawater and is suitable for occasions with high requirements for seawater quality. It was detected by the salinity meter that SG 1.027 & 3.5% met the standard of sea salt corrosion test.
We then use baking soda to adjust the PH value of the water. By repeatedly adding 4.5g of baking soda, the target PH value is achieved at 8, which matches the characteristics of natural seawater.
This method can precisely control the salinity of seawater, meet the testing requirements with high demands for seawater quality, and provide a reliable environmental basis for the performance testing of hubcaps.
During the 72-hour simulated seawater environment immersion test, the stainless steel push through center caps demonstrated strong corrosion resistance. Facing multiple corrosive factors such as dissolved oxygen and Cl - ions, thanks to its special material and microstructure, the surface passivation film is as stable as a rock, with almost no corrosion marks, and its corrosion resistance is at its peak!
Not only that, it also combines performance and appearance: forged from stainless steel, it is wear-resistant and durable, and can easily handle various road conditions. The precise fit design isolates impurities and water vapor, providing all-round protection for the safety of the wheel hub. Mirror polishing process, fashionable appearance, suitable for all kinds of vehicle models, providing strong wheel protection while maintaining a high level of appearance!
This simulated seawater environment test comprehensively and deeply verified the excellent performance and advantages of the RhinoTuning stainless steel push through center caps. In the future, we look forward to it writing more legends of safety and beauty in various scenarios and becoming a trusted wheel hub protection choice for millions of car owners!
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1. Dissolved oxygen concentration: The concentration of dissolved oxygen in seawater has a significant effect on the corrosion of stainless steel. High dissolved oxygen concentrations accelerate the destruction of the passivation film on stainless steel surfaces, which leads to corrosion .
2. PH of seawater: Changes in the pH of seawater can also affect the corrosion rate of stainless steel. Acidic or alkaline seawater conditions will reduce the corrosion resistance of stainless steel .
3. Cl- concentration: The concentration of Cl- in seawater has a significant effect on the corrosion of stainless steel. Cl- ions destroy the passivation film on the surface of stainless steel, accelerating corrosion.
This method can precisely control the salinity of seawater, meet the testing requirements with high demands for seawater quality, and provide a reliable environmental basis for the performance testing of hubcaps.
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