Subject: Re: [Shop-talk] soldering/brazing aluminum tubing to steel tubing

From: John Innis via Shop-talk <[email-masked]>
Date: Wed, 19 Dec 2018 12:08:25 -0600

--===============6431353811973762758==

--000000000000231790057d63e775
Content-Transfer-Encoding: quoted-printable

I do not have experience with soldering or brazing, but I did have a
similar issue with coolant lines on vehicle.  I ended up using a threaded
connection on the steel pipe and a compression fitting on the aluminum
tubing and a threaded adapter to join them.  Worked great, easy to install
and  has been in service for more then 5 years with no leaks yet!.

On Wed, Dec 19, 2018 at 11:25 AM john niolon via Shop-talk <
[email-masked]> wrote:

> does anyone know if there is an acceptable way to braze or solder aluminu=
m
> tubing to steel tubing that
> will provide a strong, waterproof, low pressure  (30 psi r less)
> connection...  materials to use ??  particular
> braze rod or solder ???
>
> this will be for heater hoses on my truck engine... 5/8=E2=80=9D tubing t=
o same
> sized steel fitting
>
> thanks
> john
> _______________________________________________
>
> [email-masked]
> Donate: http://www.team.net/donate.html
> Suggested annual donation  $12.96
> Archive: http://www.team.net/pipermail/shop-talk
>
> Unsubscribe/Manage:
> http://autox.team.net/mailman/options/shop-talk/[email-masked]
>
>

--=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

--000000000000231790057d63e775
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">I do not have experience with soldering or brazing, but I =
did have a similar issue with coolant lines on vehicle.=C2=A0 I ended up us=
ing a threaded connection on the steel pipe and a compression fitting on th=
e aluminum tubing and a threaded adapter to join them.=C2=A0 Worked great, =
easy to install and=C2=A0 has been in service for more then 5 years with no=
 leaks yet!.<br></div><br><div class=3D"gmail_quote"><div dir=3D"ltr">On We=
d, Dec 19, 2018 at 11:25 AM john niolon via Shop-talk &lt;<a href=3D"mailto=
:[email-masked]">[email-masked]</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">
<div dir=3D"ltr">
<div dir=3D"ltr">
<div style=3D"font-size:12pt;font-family:&quot;Calibri&quot;;color:rgb(0,0,=
0)">
<div>does anyone know if there is an acceptable way to braze or solder alum=
inum=20
tubing to steel tubing that</div>
<div>will provide a strong, waterproof, low pressure=C2=A0 (30 psi r less)=
=20
connection...=C2=A0 materials to use ??=C2=A0 particular</div>
<div>braze rod or solder ??? </div>
<div>=C2=A0</div>
<div>this will be for heater hoses on my truck engine... 5/8=E2=80=9D tubin=
g to same=20
sized steel fitting</div>
<div>=C2=A0</div>
<div>thanks</div>
<div>john</div></div></div></div>
_______________________________________________<br>
<br>
<a href=3D"mailto:[email-masked]" target=3D"_blank">Shop-talk@aut=
ox.team.net</a><br>
et=3D"_blank">http://www.team.net/donate.html</a><br>
Archive: <a href=3D"http://www.team.net/pipermail/shop-talk" rel=3D"norefer=
rer" target=3D"_blank">http://www.team.net/pipermail/shop-talk</a><br>
<br>
alk/[email-masked]" rel=3D"noreferrer" target=3D"_blank">http://autox.te=
am.net/mailman/options/shop-talk/[email-masked]</a><br>
<br>
</blockquote></div><br clear=3D"all"><br>-- <br><div dir=3D"ltr" class=3D"g=
mail_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 when you=C2=A0=C2=A0 =3D<br>=3D can offend with substance --- Sam Bro=
wn=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</div>

--000000000000231790057d63e775--

--===============6431353811973762758==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

_______________________________________________

[email-masked]
Archive: http://www.team.net/pipermail/shop-talk

--===============6431353811973762758==--

---

From: John Miller via Shop-talk <[email-masked]>
Date: Wed, 19 Dec 2018 10:42:00 -0800

On 12/19/2018 10:08 AM, John Innis via Shop-talk wrote:
> similar issue with coolant lines on vehicle.  I ended up using a 
> threaded connection on the steel pipe and a compression fitting on the 
> aluminum tubing and a threaded adapter to join them. 

I would think connecting such dissimilar and potentially reactive metals 
requires some thought.

I have an installation on one car where a very clean and somewhat 
abraded steel tube is inserted ~1in into a similarly cleaned brass tube 
slightly larger ID and then some heated Metalset A4 epoxy was poured 
into the joint and it's been in place for a decade, but YMMV.  This 
could have been soldered, I guess, but the steel tube was part of a 
valve I didn't want to heat.

Butted end-to-end?  Any reason you can't use similar metals on both 
sides and shuffle the parts involved off to the local TIG guy?   Can you 
at least get the AL out of the equation?

John.

[email-masked]

Unsubscribe/Manage: http://autox.team.net/mailman/options/shop-talk/[email-masked]

---

From: David Scheidt via Shop-talk <[email-masked]>
Date: Wed, 19 Dec 2018 13:28:41 -0600

--===============8505755327622160078==
	boundary=Apple-Mail-C7AA2831-9317-4281-A30A-139C27164AB7
Content-Transfer-Encoding: 7bit

--Apple-Mail-C7AA2831-9317-4281-A30A-139C27164AB7
	charset=utf-8
Content-Transfer-Encoding: quoted-printable

> On Dec 19, 2018, at 11:13, john niolon via Shop-talk <[email-masked]=
.net> wrote:
>=20
> does anyone know if there is an acceptable way to braze or solder aluminum=
> will provide a strong, waterproof, low pressure  (30 psi r less) connectio=
n...  materials to use ??  particular
> braze rod or solder ???
> =20
> this will be for heater hoses on my truck engine... 5/8=E2=80=9D tubing to=
 same sized steel fitting
What=E2=80=99s wrong with rubber hose?  Is this buried in the dashboard or s=
omething?=

--Apple-Mail-C7AA2831-9317-4281-A30A-139C27164AB7
	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"><div></div><div><br></div><div><br>On Dec 1=
9, 2018, at 11:13, john niolon via Shop-talk &lt;<a href=3D"mailto:shop-talk=
@autox.team.net">[email-masked]</a>&gt; wrote:<br><br></div><block=
quote type=3D"cite"><div>

<div dir=3D"ltr">
<div style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Calibri'; COLOR: #000000">
<div>does anyone know if there is an acceptable way to braze or solder alumi=
num=20
tubing to steel tubing that</div>
<div>will provide a strong, waterproof, low pressure&nbsp; (30 psi r less)=20=

connection...&nbsp; materials to use ??&nbsp; particular</div>
<div>braze rod or solder ??? </div>
<div>&nbsp;</div>
<div>this will be for heater hoses on my truck engine... 5/8=E2=80=9D tubing=
 to same=20
sized steel fitting</div>
<div>&nbsp;</div></div></div></div></blockquote><div>What=E2=80=99s wrong wi=
th rubber hose? &nbsp;Is this buried in the dashboard or something?</div></b=
ody></html>=

--Apple-Mail-C7AA2831-9317-4281-A30A-139C27164AB7--

--===============8505755327622160078==
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

[email-masked]

--===============8505755327622160078==--

---

From: Bob Spidell via Shop-talk <[email-masked]>
Date: Wed, 19 Dec 2018 10:23:46 -0800

This is a multi-part message in MIME format.
--------------3CF1B707A2E89E63F71B8AFC
 boundary="------------A8FF335ABF3DA9091B293698"

--------------A8FF335ABF3DA9091B293698
Content-Transfer-Encoding: 8bit

Just so happens I'm taking some welding classes at the local JC. From 
'Modern Welding' textbook, 11th ed.

On 12/19/2018 9:13 AM, john niolon via Shop-talk wrote:
> does anyone know if there is an acceptable way to braze or solder 
> aluminum tubing to steel tubing that
> this will be for heater hoses on my truck engine... 5/8” tubing to 
> same sized steel fitting
> thanks
> john
>

--------------A8FF335ABF3DA9091B293698
Content-Transfer-Encoding: 8bit

<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <p>Just so happens I'm taking some welding classes at the local JC. 
      From 'Modern Welding' textbook, 11th ed.</p>
    <br>
    <div class="moz-cite-prefix">On 12/19/2018 9:13 AM, john niolon via
      Shop-talk wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:0E26685D518A4CCD90DDEA392B22FC04@Johnsdesktop">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">
        <div style="FONT-SIZE: 12pt; FONT-FAMILY: 'Calibri'; COLOR:
          #000000">
          <div>does anyone know if there is an acceptable way to braze
            or solder aluminum tubing to steel tubing that</div>
          <div>will provide a strong, waterproof, low pressure  (30 psi
            r less) connection...  materials to use ??  particular</div>
          <div>braze rod or solder ??? </div>
          <div> </div>
          <div>this will be for heater hoses on my truck engine... 5/8”
            tubing to same sized steel fitting</div>
          <div> </div>
          <div>thanks</div>
          <div>john</div>
        </div>
      </div>
      <br>
      <pre class="moz-quote-pre" wrap="">
</pre>
    </blockquote>
  </body>
</html>

--------------A8FF335ABF3DA9091B293698--

--------------3CF1B707A2E89E63F71B8AFC
 name="IMG_0020s2.jpg"
Content-Transfer-Encoding: base64
Content-Disposition: attachment;
 filename="IMG_0020s2.jpg"

--------------3CF1B707A2E89E63F71B8AFC
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

[email-masked]

--------------3CF1B707A2E89E63F71B8AFC--

---

From: Bob Spidell via Shop-talk <[email-masked]>
Date: Wed, 19 Dec 2018 12:19:23 -0800

This is a multi-part message in MIME format.
--------------AF58BAE22B547E6B51F05386
 boundary="------------A560FE9A44E946D39D83A740"

--------------A560FE9A44E946D39D83A740
Content-Transfer-Encoding: 8bit

'Modern Welding' 11th ed.

> this will be for heater hoses on my truck engine... 5/8” tubing to 

--------------A560FE9A44E946D39D83A740
Content-Transfer-Encoding: 8bit

<html>
  <head>
    <p>'Modern Welding' 11th ed.<br>
    </p>

--------------A560FE9A44E946D39D83A740--

--------------AF58BAE22B547E6B51F05386
 name="IMG_0020s2.jpg"
Content-Transfer-Encoding: base64
Content-Disposition: attachment;
 filename="IMG_0020s2.jpg"

--------------AF58BAE22B547E6B51F05386
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

[email-masked]

--------------AF58BAE22B547E6B51F05386--

---

From: David Hillman via Shop-talk <[email-masked]>
Date: Thu, 20 Dec 2018 13:04:34 -0500 (EST)

Interestingly, here is another version of pretty much the same chart... 
except this one says "No" to brazing aluminum and "carbon & low-alloy 
steels".

<https://vacaero.com/wp-content/uploads/2017/03/Table-2-lg.gif>

    Source: AWS Brazing Handbook (Fifth Ed, 2007, p 75)

    As mentioned, rubber or silicone hoses would seem like a much better 
solution.

On Wed, 19 Dec 2018, Bob Spidell via Shop-talk wrote:
>> does anyone know if there is an acceptable way to braze or solder aluminum 
>> will provide a strong, waterproof, low pressure? (30 psi r less) 
>> connection...? materials to use ??? particular
>> braze rod or solder ???
>> this will be for heater hoses on my truck engine... 5/8? tubing to same 
>> sized steel fitting
>> thanks
>> john
>> 
>

--
  David Hillman

[email-masked]