×
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

Related Articles

Jobs

wellhead welding

thread725-410700

wellhead welding

wellhead welding

(OP)
We will do wellhead welding in offshore.
Wellhead material AISI 4130 and its casing using K55.
What electrode should be used ? ER80S-G / E10018-D2 or E6010 / E7018 or any option ?
Thanks in advance

RE: wellhead welding

You need a WPS/PQR to weld 4130. Just guessing is going to kill someone.

Petrotrim Services, LLC
www.petrotrim.com

RE: wellhead welding

I've seen too many cases of welding non-experts insisting on 'matching' filler metal when joining low alloy metals like these. The alloy in the filler metal combined with the carbon picked up from the 4130 makes for potentially very high hardness.
As mentioned, do some trials and a PQR that includes hardness testing.

"If you don't have time to do the job right the first time, when are you going to find time to repair it?"

RE: wellhead welding

E6010 should be discounted because of hydrogen cracking concerns. I have used ER70S-2/E7018 for similar welds but cannot provide other recommendations without further design conditions.

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
Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close