Welding ChromeMolly? 1

[chass]

Hi,
I'm installing a roll cage in a race car. I'm using ChromeMolly (spelling?) 4130. I was planing on using ER80S-D2 filler rod, but the box was labled wrong and I was given ER80S-B2 Filler rod instead. I have welded about 1/4 of the bar in. I now have the correct filler rod, but my question is, am I ok with what I welded so far? Or do I need to cut out what I've welded and start over.

Thanks in advance.
SCott

 

[weldtek]

Either consumable is acceptable for your application. Preheat to ~ 250F is recommended, but on thin wall tubing with the GTAW process is not absolutely necessary.

 

[berkshire]

chass
Check out this site for welding info on 4130 chrome/moly

http://www.tigdepot.com/faq.html

B.E.

 

[chass]

Thanks for the replys.

yeah I checked out TigDepot earlier, just wanted to get some other opinions.

Thanks,
Scott