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Re: [Shop-talk] Annealing Copper bars

To: John Innis <jdinnis@gmail.com> definitions=2020-08-08_08:2020-08-06, 2020-08-08 signatures=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-2004280000 definitions=main-2008080123
Subject: Re: [Shop-talk] Annealing Copper bars
From: Pat Horne <patintexas@icloud.com>
Date: Sat, 8 Aug 2020 11:17:08 -0500
Cc: shop-talk <shop-talk@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: shop-talk@autox.team.net
References: <CANuE7YDTZJGWCXG846WcOV42teORZfrNfCLk-uQSJx7VD8aSVg@mail.gmail.com>
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Most self cleaning ovens have a lock that keeps them from opening at higher t=
emperatures.=20

Peace,
Pat

Pat Horne=20
We support Habitat for Humanity


On Aug 8, 2020, at 10:58 AM, John Innis <jdinnis@gmail.com> wrote:

=EF=BB=BF
The oven would work fine, you just need to add a quench as soon as possible w=
hen you come out. =20

> 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 W=
OULDN=E2=80=99T be a good choice.=20
>=20
> Peace,
> Pat
>=20
> Pat Horne=20
> We support Habitat for Humanity
>=20
>=20
> On Aug 8, 2020, at 10:03 AM, John Innis <jdinnis@gmail.com> wrote:
>=20
> =EF=BB=BF
> This matches my understanding as well.  Brass and copper soften when quenc=
hed.  Steel and Aluminum harden when quenched.
>=20
>> On Sat, Aug 8, 2020 at 9:59 AM Bob Spidell <bspidell@comcast.net> wrote:
>> Could be (the plot thickens):
>>=20
>> "Annealing copper makes it softer and less brittle, which allows you to=20=

>> bend it without breaking it. This malleability allows you to hammer and=20=

>> mold the copper into any shape you wish without cracking the metal. You=20=

>> can anneal any grade and thickness of copper as long as you have a flame=20=

>> that can transmit enough heat to the metal. The most straightforward way=20=

>> to anneal copper is by heating it with an oxygen acetylene torch and=20
>> rapidly cooling it in water."
>>=20
>> https://www.wikihow.com/Anneal-Copper
>>=20
>>=20
>>=20
>> 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 the=
 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 reuse=
d 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, pre=
sumably, or oil maybe--copper to achieve softness after it's been heated 'ch=
erry red?'
>> >>
>> >> Bob
>> >>
>>=20
>> _______________________________________________
>>=20
>> 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 http://autox.team.net/ar=
chive
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/jdinn=
is@gmail.com
>>=20
>=20
>=20
> --=20
> =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
> _______________________________________________
>=20
> 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 http://autox.team.net/arc=
hive
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/patint=
exas@icloud.com
>=20


--=20
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=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=
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Most self cleaning ovens have a lock that k=
eeps them from opening at higher temperatures.&nbsp;<div><br></div><div>Peac=
e,</div><div>Pat<br><br><div dir=3D"ltr">Pat Horne&nbsp;<div>We support Habi=
tat for Humanity</div><div><br></div></div><div dir=3D"ltr"><br>On Aug 8, 20=
20, at 10:58 AM, John Innis &lt;jdinnis@gmail.com&gt; wrote:<br><br></div><d=
iv dir=3D"ltr">=EF=BB=BF<div dir=3D"ltr">The oven would work fine, you just n=
eed to add a quench as soon as possible when you come out.&nbsp; <br></div><=
br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sat, A=
ug 8, 2020 at 10:43 AM Pat Horne &lt;<a href=3D"mailto:patintexas@icloud.com=
">patintexas@icloud.com</a>&gt; wrote:<br></div><blockquote class=3D"gmail_q=
uote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,20=
4);padding-left:1ex"><div dir=3D"auto">So, referring back to the OP about us=
ing the oven to anneal the bars, it WOULDN=E2=80=99T be a good choice.&nbsp;=
<div><br></div><div>Peace,</div><div>Pat<br><br><div dir=3D"ltr">Pat Horne&n=
bsp;<div>We support 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:jdin=
nis@gmail.com" target=3D"_blank">jdinnis@gmail.com</a>&gt; wrote:<br><br></d=
iv><div dir=3D"ltr">=EF=BB=BF<div dir=3D"ltr">This matches my understanding a=
s well.&nbsp; Brass and copper soften when quenched.&nbsp; Steel and Aluminu=
m harden 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 h=
ref=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">Coul=
d be (the plot thickens):<br>
<br>
"Annealing copper makes it softer and less brittle, which allows you to <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 <br=
>
that can transmit enough heat to the metal. The most straightforward way <br=
>
to anneal copper is by heating it with an oxygen acetylene torch and <br>
rapidly cooling it in water."<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 be=
 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've been doing it wrong all these years I've reuse=
d 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:bspid=
ell@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, p=
resumably, or oil maybe--copper to achieve softness after it's been heated '=
cherry red?'<br>
&gt;&gt;<br>
&gt;&gt; Bob<br>
&gt;&gt;<br>
<br>
_______________________________________________<br>
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</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&nbsp;&nbsp; =3D<br>=
=3D can offend with substance --- Sam Brown&nbsp; =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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