×
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

proper handling of powdered flux for sudarc

proper handling of powdered flux for sudarc

proper handling of powdered flux for sudarc

(OP)
the subject came up the other day.  one person was saying they had to heat the flux before use and use while warm. another was saying they did not.  one of the guys said according to Code it has to be. the comeback was, why, it has an ambient temperature preheat and the hopper is not heated.  the manufacturer's bag only mentioned "baking" not the need to heat it prior to use; it could be used straight from the bag.

i am familiar with coated electrodes but have never run across this process, so can anyone shed some light on this for me.

tia

Steven C
Senior Member
ThirdPartyInspections.com

RE: proper handling of powdered flux for sudarc

What code are you welding to?  It is likely that the requirements are written in that code.

Hg
 

Eng-Tips policies:  FAQ731-376: Eng-Tips.com Forum Policies

RE: proper handling of powdered flux for sudarc

Bonded fluxes tend to be hygroscopic, similar to the low hydrogen coated electrodes.

Fused fluxes can pick up surface moisture.

In either case, if the base metal is crack sensitive, you will want you flux to be dry and free of moisture.

Consult the manufacturer for their recommendations for proper flux storage.  

Best regards - Al  

RE: proper handling of powdered flux for sudarc

(OP)
they were using the subarc to weld a section VIII vessel component made of 316 or 304ss not exactly sure as i was not involved in the process.

just trying to educate myself on something new to me.



 

RE: proper handling of powdered flux for sudarc

I don't have access to the ASME code, but look for a section on storage and condition of consumables.  If you have a guy saying it's required by code, get him to show you that section.

Hg

Eng-Tips policies:  FAQ731-376: Eng-Tips.com Forum Policies

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