shop-talk
[Top] [All Lists]

Re: [Shop-talk] Annealing Copper bars

To: John Innis <jdinnis@gmail.com> definitions=2020-08-08_07:2020-08-06, 2020-08-08 signatures=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-2004280000 definitions=main-2008080118
Subject: Re: [Shop-talk] Annealing Copper bars
From: Pat Horne <patintexas@icloud.com>
Date: Sat, 8 Aug 2020 10:43:48 -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>
--===============1696383605628074540==
Content-Transfer-Encoding: 7bit


--Apple-Mail-DD1CD33E-53EE-440C-A2E2-DDCAE1589388
        charset=utf-8
Content-Transfer-Encoding: quoted-printable

So, referring back to the OP about using the oven to anneal the bars, it WOU=
LDN=E2=80=99T be a good choice.=20

Peace,
Pat

Pat Horne=20
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 quenche=
d.  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):
>=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 f=
irst 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 reused=
 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, pres=
umably, or oil maybe--copper to achieve softness after it's been heated 'che=
rry 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/arc=
hive
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/jdinni=
s@gmail.com
>=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
_______________________________________________

Shop-talk@autox.team.net
Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/archi=
ve

as@icloud.com


--Apple-Mail-DD1CD33E-53EE-440C-A2E2-DDCAE1589388
        charset=utf-8
Content-Transfer-Encoding: quoted-printable

<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">So, referring back to the OP about using th=
e 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&nbsp;<d=
iv>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;jdinnis@gmail.com&gt; wrot=
e:<br><br></div><div dir=3D"ltr">=EF=BB=BF<div dir=3D"ltr">This matches my u=
nderstanding as well.&nbsp; Brass and copper soften when quenched.&nbsp; Ste=
el and Aluminum 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 S=
pidell &lt;<a href=3D"mailto:bspidell@comcast.net";>bspidell@comcast.net</a>&=
gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0p=
x 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Could b=
e (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>
<br>
<a href=3D"mailto:Shop-talk@autox.team.net"; target=3D"_blank">Shop-talk@auto=
x.team.net</a><br>
t=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/shop-talk"; rel=3D"noreferr=
er" target=3D"_blank">http://www.team.net/pipermail/shop-talk</a> <a href=3D=
"http://autox.team.net/archive"; rel=3D"noreferrer" target=3D"_blank">http://=
autox.team.net/archive</a><br>
<br>
lk/jdinnis@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox.team=
.net/mailman/options/shop-talk/jdinnis@gmail.com</a><br>
<br>
</blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr" class=3D"gm=
ail_signature">=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 w=
hen 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</div>
<span>_______________________________________________</span><br><span></span=
><br><span>Shop-talk@autox.team.net</span><br><span>Donate: http://www.team.=
net/donate.html</span><br><span>Suggested annual donation &nbsp;$12.96</span=
><br><span>Archive: http://www.team.net/pipermail/shop-talk http://autox.tea=
m.net/archive</span><br><span></span><br><span>Unsubscribe/Manage: http://au=
tox.team.net/mailman/options/shop-talk/patintexas@icloud.com</span><br><span=
></span><br></div></div></body></html>=

--Apple-Mail-DD1CD33E-53EE-440C-A2E2-DDCAE1589388--

--===============1696383605628074540==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________

Shop-talk@autox.team.net
Archive: http://www.team.net/pipermail/shop-talk http://autox.team.net/archive



--===============1696383605628074540==--

<Prev in Thread] Current Thread [Next in Thread>