What is the material "Hastelloy" known for its excellent corrosion resistance?
Confirmed the content of chromium and molybdenum, which are factors that enhance corrosion resistance!
Recently, I received a request from a customer asking, "Could you make a coil spring from a material that is resistant to corrosion?" When it comes to materials with excellent corrosion resistance, stainless steel immediately comes to mind, as it has appeared multiple times in this blog. Upon further inquiry with the customer, they mentioned, "During the last durability test, the stainless steel became completely deteriorated." In front of me was a "spring-shaped object that was pitch black and seemed ready to crumble at a touch." Moreover, the material was SUS316, which is particularly known for its excellent corrosion resistance among stainless steels, so I was astonished. Why had the corrosion of SUS316, which is known for its superior resistance, progressed to such an extent? Upon inquiring about the testing environment, I learned that "sodium hypochlorite" was being used. *For more detailed information, you can view it through the related links. For further details, please download the PDF or feel free to contact us.*
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