×
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

Welding AISI 1144/ASTM A-108 Resulfurized Steel
2

Welding AISI 1144/ASTM A-108 Resulfurized Steel

Welding AISI 1144/ASTM A-108 Resulfurized Steel

(OP)
Ok guys,

Welding AISI 1144 resulfurized steel... a.k.a. "Stressproof"

I'm aware of (some of) the implications of the sulfur content. Anyone out there had any good/bad luck welding this stuff?

Spec calls for a 3/8" fillet weld on an A-36 ring to be welded to a resulfurized 1144, 3 1/2" shaft...

My inclination is to go with E 7018 SMAW process with about 400ºF preheat.

Russ Newell

RE: Welding AISI 1144/ASTM A-108 Resulfurized Steel

I went through this very situation with A36 components welded onto Stressproof. We tried preheating and still had cracking. My recommendation would be to change to 1050 and weld using preheat. This even sounds like the same application. A large pivot pin with a retainer cap. We were having some field failures and did not want to cause unnecessary concerns and purchasing had the supplier change the material to 1050. The retainer caps were not heavily loaded unless there was side load on the pin which should not occur but deflection of the weldments under load could cause side loading.

RE: Welding AISI 1144/ASTM A-108 Resulfurized Steel

I would agree with BillPSU on this because the sulfur content in 1144 will result in hot cracking of the weld deposit due to the formation of low melting iron-sulfur compounds. Preheat or switching to a lower strength filler metal will not decrease susceptibility to hot cracking.

RE: Welding AISI 1144/ASTM A-108 Resulfurized Steel

(OP)

Thanks BillPSU and Meteng,

We have had occasion in the past to "cobble" this stuff but this isn't a "just-get-me-by" fix.

The spec just caught up with the drawing. There is an ultra-sound, post-weld... Must be the customer has had some negative experience in the past.

Why would he still be hanging in there with this alloy...? (Oh, well...) Our past experience says there is no way to beat the inevitable...    Russ

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