Resistance to Ferric Chloride
Resistance to Ferric Chloride
(OP)
Anyone have thoughts on either a base metal or coating that would offer resistance to ferric chloride fumes at ambient temperature? This would be for a constant force type spring (i.e. clock spring).





RE: Resistance to Ferric Chloride
RE: Resistance to Ferric Chloride
RE: Resistance to Ferric Chloride
One other thought, Elgioly. Although, the only reference I found is below for 10% ferric chloride solution @ 75 deg F;
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RE: Resistance to Ferric Chloride
I believe this ins in the old Timet Corrosion Tables if anyone has them.
RE: Resistance to Ferric Chloride
RE: Resistance to Ferric Chloride
RE: Resistance to Ferric Chloride
RE: Resistance to Ferric Chloride
For bulletproof, I agree with metengr (Hastelloy C-22 or similar) and unclesyd (titanium). A coating seems like a really big risk unless the entire process from manufacturing through assembly to end use is optimized.
Here is a link to the product bulletin for HASTELLOY® C-22® alloy:
http://www.haynesintl.com/pdf/h2019.pdf
Here is a link to the Timet corrosion info:
http://www.timet.com/pdfs/corrosion.pdf
RE: Resistance to Ferric Chloride
if so when we had a process that used Ferric Chloride there we some components of 316 SS that would occasionally see what little vapor there is. I believe the 301 SS steel might work if it would have only brief exposure to the liquid and rinsed off after the exposure.
RE: Resistance to Ferric Chloride
RE: Resistance to Ferric Chloride
Ti makes bad springs since they have to be over twice as large due to the low modulus.
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Plymouth Tube
RE: Resistance to Ferric Chloride
What is the container made of?
Could you post a picture of the hatch and cover?
edStainless,
Normally this is a very big spring probably weighing around 10-15 pounds so making it from any of C-22, Elgiloy, or MP35N would be extremely expensive $450 US ea. for a 1 1/2" by 3/4" dia. of .016 wire for use in a pump in Cupric Bromide service. The order was for 10 springs.