×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!
  • Students Click Here

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Jobs

Corrosivity of copper from anhydrous ammonia

Corrosivity of copper from anhydrous ammonia

Corrosivity of copper from anhydrous ammonia

(OP)
I am getting conflicting data regarding the corrosivity of copper in the presence of anhydrous ammonia at low temperatures (30C or less). My source is Dekker's Corrosion/Resistance Tables, and they contain contradictory data. Any ideas for another source?

Thanks.

RE: Corrosivity of copper from anhydrous ammonia

...and remember that water is added in most industrial cases so that you can use carbon steel.

= = = = = = = = = = = = = = = = = = = =
Rust never sleeps
Neither should your protection
http://www.trent-tube.com/contact/Tech_Assist.cfm

RE: Corrosivity of copper from anhydrous ammonia

dcopps
Copper and copper alloys have problem with ammonia due to the possibility of SCC but if it's anhydrous ammonia there are no problem
If you need reference you can look on Cor-Sur of NACE on KNOVEL website.
For Copper in contact with  100% ammonia at temperature in the range 25 – 500 F, the corrosion rate is <2 mpy.

You can also look in:
http://www.copper.org/resources/properties/db/CDACorrosionSelectionServlet.jsp

there is a free database for copper and copper alloys, and you can find data for ammonia.

Hope this help

Strider

http://www.corrosionist.com

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources