Thursday, June 25, 2015

[MW:23117] welding 4340 to A36

Hello Experts

We are going to welding 4340 to 1020 with FCAW . I know 4340 has potential for Cracking after welding ,so i`m looking for advise on welding and PWHT and backing during and after finished job

4340 in our part is with Normalized and tempered  . and no quench on it based on customer spec to catching specific hardness.

please share your experience  with me.

Thanks all

  

--
You received this message because you are subscribed to the Google Groups "Materials & Welding" group.
To unsubscribe from this group and stop receiving emails from it, send an email to materials-welding+unsubscribe@googlegroups.com.
To post to this group, send email to materials-welding@googlegroups.com.
Visit this group at http://groups.google.com/group/materials-welding.
To view this discussion on the web visit https://groups.google.com/d/msgid/materials-welding/ee9a24a0-ceba-4332-9223-3052984a4b32%40googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

No comments:

Re: [MW:35354] Cast-iron welding

1. Preheat joint area(other area, cover with mineral wool). 2. ENiCi or ENiFe-CI. 3. stringer bead. 4. peening is to be done on weldmetal im...