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Re: [Shop-talk] Annealing Copper bars

To: Pat Horne <patintexas@icloud.com>
Subject: Re: [Shop-talk] Annealing Copper bars
From: John Innis <jdinnis@gmail.com>
Date: Sat, 8 Aug 2020 10:58:27 -0500
Cc: shop-talk <shop-talk@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <CANuE7YD6qk6ek7x+oM7i_3fdUvKCDhx_eGRNk0oz8jKVLv78Nw@mail.gmail.com> <79147C10-E74B-4E30-9704-D7413B687602@icloud.com>
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The oven would work fine, you just need to add a quench as soon as possible
when you come out.

On Sat, Aug 8, 2020 at 10:43 AM Pat Horne <patintexas@icloud.com> wrote:

> So, referring back to the OP about using the oven to anneal the bars, it
> WOULDN=E2=80=99T be a good choice.
>
> Peace,
> Pat
>
> Pat Horne
> We support Habitat for Humanity
>
>
> On Aug 8, 2020, at 10:03 AM, John Innis <jdinnis@gmail.com> wrote:
>
> =EF=BB=BF
> This matches my understanding as well.  Brass and copper soften when
> quenched.  Steel and Aluminum harden when quenched.
>
> On Sat, Aug 8, 2020 at 9:59 AM Bob Spidell <bspidell@comcast.net> wrote:
>
>> Could be (the plot thickens):
>>
>> "Annealing copper makes it softer and less brittle, which allows you to
>> bend it without breaking it. This malleability allows you to hammer and
>> mold the copper into any shape you wish without cracking the metal. You
>> can anneal any grade and thickness of copper as long as you have a flame
>> that can transmit enough heat to the metal. The most straightforward way
>> to anneal copper is by heating it with an oxygen acetylene torch and
>> rapidly cooling it in water."
>>
>> https://www.wikihow.com/Anneal-Copper
>>
>>
>>
>> On 8/8/2020 7:43 AM, Pat Horne wrote:
>> > Maybe you=E2=80=99re right & I=E2=80=99m wrong! Wouldn=E2=80=99t be th=
e first time.
>> >
>> > Peace,
>> > Pat
>> >
>> > Pat Horne
>> > We support Habitat for Humanity
>> >
>> >
>> > On Aug 8, 2020, at 9:33 AM, Bob Spidell <bspidell@comcast.net> wrote:
>> >
>> > =EF=BB=BFWell snap. I've been doing it wrong all these years I've reus=
ed
>> copper, mostly on sealing washers for oil pan plugs.
>> >
>> > Thanks for the reply.
>> > Bob
>> >
>> >
>> >> On 8/8/2020 7:21 AM, Pat Horne wrote:
>> >> I thought quenching made the metal less soft.
>> >>
>> >> Annealing requires slow cooling.
>> >>
>> >> Peace,
>> >> Pat
>> >>
>> >> Pat Horne
>> >> We support Habitat for Humanity
>> >>
>> >>
>> >> On Aug 8, 2020, at 9:18 AM, Bob Spidell <bspidell@comcast.net> wrote:
>> >>
>> >> =EF=BB=BF Question for the List: Is it proper to quench--in water, pr=
esumably,
>> or oil maybe--copper to achieve softness after it's been heated 'cherry
>> red?'
>> >>
>> >> Bob
>> >>
>>
>> _______________________________________________
>>
>> Shop-talk@autox.team.net
>> Donate: http://www.team.net/donate.html
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>> Archive: http://www.team.net/pipermail/shop-talk
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>>
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>> http://autox.team.net/mailman/options/shop-talk/jdinnis@gmail.com
>>
>>
>
> --
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> =3D Never offend people with style when you   =3D
> =3D can offend with substance --- Sam Brown  =3D
> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D
> _______________________________________________
>
> Shop-talk@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.96
> Archive: http://www.team.net/pipermail/shop-talk
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=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D
=3D Never offend people with style when you   =3D
=3D can offend with substance --- Sam Brown  =3D
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D

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<div dir=3D"ltr">The oven would work fine, you just need to add a quench as=
 soon as possible when you come out.=C2=A0 <br></div><br><div class=3D"gmai=
l_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, Aug 8, 2020 at 10:43=
 AM Pat Horne &lt;<a href=3D"mailto:patintexas@icloud.com";>patintexas@iclou=
d.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"ma=
rgin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:=
1ex"><div dir=3D"auto">So, referring back to the OP about using the oven to=
 anneal the bars, it WOULDN=E2=80=99T be a good choice.=C2=A0<div><br></div=
><div>Peace,</div><div>Pat<br><br><div dir=3D"ltr">Pat Horne=C2=A0<div>We s=
upport Habitat for Humanity</div><div><br></div></div><div dir=3D"ltr"><br>=
On Aug 8, 2020, at 10:03 AM, John Innis &lt;<a href=3D"mailto:jdinnis@gmail=
.com" target=3D"_blank">jdinnis@gmail.com</a>&gt; wrote:<br><br></div><div =
dir=3D"ltr">=EF=BB=BF<div dir=3D"ltr">This matches my understanding as well=
.=C2=A0 Brass and copper soften when quenched.=C2=A0 Steel and Aluminum har=
den when quenched.<br></div><br><div class=3D"gmail_quote"><div dir=3D"ltr"=
 class=3D"gmail_attr">On Sat, Aug 8, 2020 at 9:59 AM Bob Spidell &lt;<a hre=
f=3D"mailto:bspidell@comcast.net"; target=3D"_blank">bspidell@comcast.net</a=
>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px=
 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Cou=
ld be (the plot thickens):<br>
<br>
&quot;Annealing copper makes it softer and less brittle, which allows you t=
o <br>
bend it without breaking it. This malleability allows you to hammer and <br=
>
mold the copper into any shape you wish without cracking the metal. You <br=
>
can anneal any grade and thickness of copper as long as you have a flame <b=
r>
that can transmit enough heat to the metal. The most straightforward way <b=
r>
to anneal copper is by heating it with an oxygen acetylene torch and <br>
rapidly cooling it in water.&quot;<br>
<br>
<a href=3D"https://www.wikihow.com/Anneal-Copper"; rel=3D"noreferrer" target=
=3D"_blank">https://www.wikihow.com/Anneal-Copper</a><br>
<br>
<br>
<br>
On 8/8/2020 7:43 AM, Pat Horne wrote:<br>
&gt; Maybe you=E2=80=99re right &amp; I=E2=80=99m wrong! Wouldn=E2=80=99t b=
e the first time.<br>
&gt;<br>
&gt; Peace,<br>
&gt; Pat<br>
&gt;<br>
&gt; Pat Horne<br>
&gt; We support Habitat for Humanity<br>
&gt;<br>
&gt;<br>
&gt; On Aug 8, 2020, at 9:33 AM, Bob Spidell &lt;<a href=3D"mailto:bspidell=
@comcast.net" target=3D"_blank">bspidell@comcast.net</a>&gt; wrote:<br>
&gt;<br>
&gt; =EF=BB=BFWell snap. I&#39;ve been doing it wrong all these years I&#39=
;ve reused copper, mostly on sealing washers for oil pan plugs.<br>
&gt;<br>
&gt; Thanks for the reply.<br>
&gt; Bob<br>
&gt;<br>
&gt;<br>
&gt;&gt; On 8/8/2020 7:21 AM, Pat Horne wrote:<br>
&gt;&gt; I thought quenching made the metal less soft.<br>
&gt;&gt;<br>
&gt;&gt; Annealing requires slow cooling.<br>
&gt;&gt;<br>
&gt;&gt; Peace,<br>
&gt;&gt; Pat<br>
&gt;&gt;<br>
&gt;&gt; Pat Horne<br>
&gt;&gt; We support Habitat for Humanity<br>
&gt;&gt;<br>
&gt;&gt;<br>
&gt;&gt; On Aug 8, 2020, at 9:18 AM, Bob Spidell &lt;<a href=3D"mailto:bspi=
dell@comcast.net" target=3D"_blank">bspidell@comcast.net</a>&gt; wrote:<br>
&gt;&gt;<br>
&gt;&gt; =EF=BB=BF Question for the List: Is it proper to quench--in water,=
 presumably, or oil maybe--copper to achieve softness after it&#39;s been h=
eated &#39;cherry red?&#39;<br>
&gt;&gt;<br>
&gt;&gt; Bob<br>
&gt;&gt;<br>
<br>
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<br>
</blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr">=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D<br>=3D Never offend people with style when you=C2=A0=C2=A0 =
=3D<br>=3D can offend with substance --- Sam Brown=C2=A0 =3D<br>=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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<br>=3D Never offend people with style when you=C2=A0=C2=A0 =3D<br>=3D can =
offend with substance --- Sam Brown=C2=A0 =3D<br>=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
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