Sunday, August 28, 2011

Re: [MW:12318] change in welding color in Cr Mo V steel

hi,
 
As it has a poor weld profile if should be rejected.
 
Regards

--- On Fri, 26/8/11, sedef pala <santasatana@gmail.com> wrote:

From: sedef pala <santasatana@gmail.com>
Subject: [MW:12313] change in welding color in Cr Mo V steel
To: "materials-welding" <materials-welding@googlegroups.com>
Date: Friday, 26 August, 2011, 11:13 PM

Hi to Everybody,

Attached i included two photos from welding (material Cr Mo V steel, process TIG ). As you can see from picture there is change in color of the weld.Visualy my interpretation is that welder increaed welding speed (therefore heat input was decreased), in copper colored area he welded more faster and made weld puddles more thick.Where on left side color of the weld pool looks good(similar to base material) and paddles are in range.

 My question is " if the weld puddles looks thicker and color is like copper  can it be rejected, especially in welders skill test"?

Thanks in advance for any opinion.


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