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Steels specified for hot ferric chloride solutions

HI there, I am currently designing a digester and a concentrating pan for the manufacture of ferric chloride ⇦ on eBay or Amazon [affil link] solution using HCl and Pyrites cinder. What would be the best corrosion resistant stainless steel to specify for the:

1. Steam coil
2. The digester shell?

The temperatures go as far as 150 OC during digestion.

Regards,

Ruvimbo Manjengwa
phosphate industry - Harare, Mashonaland, Zimbabwe
January 24, 2009

There is no stainless steel that will be resistant to ferric chloride ⇦ on eBay or Amazon [affil link] . If you want it to be metallic chances are you will not be able to afford it. Consider plastics.

Guillermo Marrufo
Monterrey, NL, Mexico
January 28, 2009

Not many plastics will withstand 150 °C. You may need to consider either ceramics or glass

Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK
January 30, 2009

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