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Letter 9094
STAINLESS STEEL COATING
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WE WANTED ASSISTANCE IN TWO MATTERS.
1. WE DYEING MACHINE MANUFACTURER USING STAINLESS STEEL. WE WANTED
TO IMPROVE COSMETIC LOOK,AS YOU AWARE THAT MACHINE M MANUFACRING
PROCESS REQUIRES LOT OF WELDING, GRINDING WORK
2.WE WANTED TO KNOW MORE ABOUT HEAT RESISTANT COATING FOR
STAINLESS STEEL
M.MARIMUTHU
PENINSULA ENGINEERS - Coimbatore, India
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Dear Mr. Marimuthu:
For cosmetic appearance I understand to eliminate stains, welding
scale, etc. For that, you should pickle stainless after all process
with a mixture of 30% nitric + 5% hydrofluoric. For heat resistant
coating there will only be very expensive solutions because stianless
is already very heat resistant, so anything that will surpass it is
going to be sophisticated like say vapor deposited Titanium Nitride
or sprayed ceramics.
Regards,
Guillermo Marrufo
Monterrey, NL, Mexico
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