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Letter 21100
316 L SS, SS300, SS304 in saline solution
for 72 hrs
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The Pressure Sensor that we need to use in our project has its
casing made of 316 L SS. The sensor needs to be in saline ( urine )
solution for not more than 72 hours. Can 316 L SS withstand corrosive
effect for this much time. How about other SS series SS300, SS304.
SUMOD C.
- Chennai, Tamil Nadu, India
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Assuming no current flowing through the 316ss, it should take this
much immersion in saline urine. I would not trust that 304 or
anything less than 316 would do it, but if there is no oxygen donor
in the solution, and no current flow, it is possible.
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Dear Friend,
You can coat Fluoropolymer based Pharmacutical finishes grades
like Teflon on your component, It will solve your problems. It is non
stick and better corrosion resistance too.
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Kalyan Dhakane
Mumbai, India
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Castings are castings and the quality, inclusions and porosity
varies, so will results. I agree with Lee that 316 should be good,
provided the casting is sound.
Jon Quirt
- Minneapolis, MN
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