×
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

RUSTY FITTING/ACID PICKLING /ANTOX 71 E

RUSTY FITTING/ACID PICKLING /ANTOX 71 E

RUSTY FITTING/ACID PICKLING /ANTOX 71 E

(OP)
As I know this product  (ANTOX 71 E ) is being used for   remove  oxidation  from weld seams

I have  o lot of rusty  Stainles steel fitting and I have no chance  them  put in acid bath for surface treatment

I just wanna know is it  use  remove rust from directly pipe or fitting surface

if your answer is yes  how can be apply ?
regards....

RE: RUSTY FITTING/ACID PICKLING /ANTOX 71 E

This product is a mixture of HF and HNO3. It will dissolve oxide on stainless. However, if you have rust, there is a good chance what you have is not an oxide of stainless but some iron oxide from another source. Why not try something less severe like HNO3 alone first? Then you don't have the HF danger.

Michael McGuire
http://stainlesssteelforengineers.blogspot.com/

RE: RUSTY FITTING/ACID PICKLING /ANTOX 71 E

I would suggest citric acid or phosphoric acid first.  They would remove surface rust.  Then you can see what the surface really looks like.
If it is already heavily pitted you should mechanicaly polish it and then reclean it with acid.

= = = = = = = = = = = = = = = = = = = =
Corrosion never sleeps, but it can be managed.
http://www.trenttube.com/Trent/tech_form.htm

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