"Unhardening" hardened punches to deform them

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Subject Author Date
"Unhardening" hardened punches to deform them John 05-14-2007
Posted by John on May 14, 2007, 8:42 am
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>I will give that a try if I can't find the ammonium version. I have some
>pipe flux with zinc chloride but it is only 8%.
>
> --
> Glenn Ashmore


Don't forget, you can make your own (much stronger) by killing some
hydrochloric acid with a handful of zinc. (I presume you have zinc lying
around if you're galvanising stuff.) Otherwise use scrap galvanised steel.

Cheers
--
Jeff R.




Posted by Adam Smith on May 14, 2007, 9:45 am
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>I will give that a try if I can't find the ammonium version. I have some
>pipe flux with zinc chloride but it is only 8%.
>
> --
> Glenn Ashmore


Don't forget, you can make your own (much stronger) by killing some
hydrochloric acid with a handful of zinc. (I presume you have zinc lying
around if you're galvanising stuff.) Otherwise use scrap galvanised steel.

Cheers
--
Jeff R.




Posted by John on May 14, 2007, 1:51 pm
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>I will give that a try if I can't find the ammonium version. I have some
>pipe flux with zinc chloride but it is only 8%.
>
> --
> Glenn Ashmore


Don't forget, you can make your own (much stronger) by killing some
hydrochloric acid with a handful of zinc. (I presume you have zinc lying
around if you're galvanising stuff.) Otherwise use scrap galvanised steel.

Cheers
--
Jeff R.




Posted by Adam Smith on May 14, 2007, 3:00 pm
Please log in for more thread options

>I will give that a try if I can't find the ammonium version. I have some
>pipe flux with zinc chloride but it is only 8%.
>
> --
> Glenn Ashmore


Don't forget, you can make your own (much stronger) by killing some
hydrochloric acid with a handful of zinc. (I presume you have zinc lying
around if you're galvanising stuff.) Otherwise use scrap galvanised steel.

Cheers
--
Jeff R.




Posted by Harold and Susan Vordos on May 14, 2007, 2:58 pm
Please log in for more thread options

>I will give that a try if I can't find the ammonium version. I have some
>pipe flux with zinc chloride but it is only 8%.
>
> --
> Glenn Ashmore


Don't forget, you can make your own (much stronger) by killing some
hydrochloric acid with a handful of zinc. (I presume you have zinc lying
around if you're galvanising stuff.) Otherwise use scrap galvanised steel.

Cheers
--
Jeff R.




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