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Corrosion parameters in datasheets

Corrosion parameters in datasheets

Corrosion parameters in datasheets

(OP)
Hi,
I am not so familiar with corrosion.I have a question about parameters that should be mentioned in instrument data sheets, from corrosion point of view in water lines.
I,generally, mention Chloride concentration,PH,  oxygen conc. and also silica for erosion.
Do I need to mention H2S and CO2 conc., too; or they have covered when I mentioned PH?
Do I need to mention TDS of water (total dissolved solids)?
(Personally I think TDS is not needed, because the thing which is effective in corrosion is just chloride and not whole TDS).
Thanks for your helps.

RE: Corrosion parameters in datasheets

Well, are you going to calcualte a scaling index?  That would be helpfull, fouling can lead to hot spots and crevice corrosion.
More is better.  Leaving people to guess leads to poor assumptions and bad conclusions.

= = = = = = = = = = = = = = = = = = = =
Corrosion, every where, all the time.
Manage it or it will manage you.
http://www.trent-tube.com/contact/Tech_Assist.cfm

RE: Corrosion parameters in datasheets

H2S and CO2 contents as well as pH will assist in selecting materials and specifying additional materials requirements.

Steve Jones
Materials & Corrosion Engineer
http://www.pdo.co.om/pdo/

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