Why do annealing colors have to be removed after stainless steel welding

Why do annealing colors have to be removed after stainless steel welding

Why do annealing colors have to be removed after stainless steel welding

 

Greetings from Schweißfan

 

 

 

Why do annealing colors have to be removed after stainless steel welding

 

 

 

Important tips for stainless steel tig welding

 

 

 

 

Today we’re talking about stainless steel and why annealing colors have to be removed after welding.

 

 

 

I’ll just say it the way we learned it, or as everyone says, if the tarnish is not removed it can start to rot.

 

 

So what options do you have, firstly there are direct wire brushes for stainless steel which also have stainless steel bristles themselves. Let me put it this way, it is very important that it really is a stainless steel wire brush. These should only really be used for this purpose and not for steel, because otherwise you can rub pigments into the stainless steel.

 

 

Here is a link to the right wire brush:

 

 

 

Next, you have the option of staining, which in my opinion is very labor-intensive. And, of course, the stain is not healthy at all. The stain dissolves the tarnish and can then best be removed with lukewarm water.

Here is a link to the stain:

https://amzn.to/3ieXTFe

Then there is the option of a pickling device electrolysis, which for me is the fastest and cleanest method, although it has to be said that the device is somewhat more expensive. Stainless steel should be welded more often here.

Here is a link to such a device:

clean seam 80 electrolysis device weld seam cleaning stainless steel welding

 

 

 

 

Free video welding tips

 

In my case, I usually grind the weld seams anyway, so that you have a nice transition and it looks like it’s made from one piece at the end.

 

 

But now to the question of why the tarnish has to be removed at all. As I said, it can then rust in such a place, which of course nobody wants with stainless steel.

 

This means we have the option of removing the tarnish, as we have a passive layer on the stainless steel that virtually restores itself after processing using oxygen.

 

If the tarnishes remain at the welding point, the oxygen has no chance of reaching the surface of the so-called passive layer and regenerating it.

 

Large gas nozzles for less tarnishing. Easier and faster reworking.

FURICK FUPA12 ceramic, pack of 2FURICK FUPA12 - The ORIGINAL

 

 

And it is precisely because of this layer that stainless steel should not be treated further with any polishing agents or anything else, but really only cleaned with water.

 

I am attaching another great article with a link here, where it is described in detail and very well for all those who want to go into more detail.

Here is the link:

 

https://kluthe.com/magazin/anlassfarben-auf-edelstahl/

 

 

 

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