Short bead, peen like mad while cooling....

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Posted by Gordon Maney on Friday, July 04, 2008 at 19:14:42 :

In Reply to: Re: Nickel Welding Rod for Cast Iron posted by Steve on Friday, July 04, 2008 at 13:18:27 :

The reason to run very short beads — and ALLOW COOLING between short beads — is that if you run a long bead, when it cools it will put big stresses in the casting and likely make it crack a new way.

It is also critical peen the bead with the pointed end of a chipping hammer as it cools, that helps counteract any contraction that may tend to occur.

The nickel rod is great stuff, and is nicely machinable.

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EMPHASIS ADDED - Gordon Maney 19:16:15 07/04/2008

Easier fix- Braze it! - chris case 09:55:07 07/05/2008
- Cast iron filler rod - Gordon Maney 15:47:40 07/05/2008

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