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Coolant Tank Material #4652906
02/01/18 09:43 AM
02/01/18 09:43 AM
Joined: Jun 2016
Posts: 23
Pennsylvania
T_Bortz Offline OP
T_Bortz  Offline OP
Joined: Jun 2016
Posts: 23
Pennsylvania
Hi All,

I am looking to have a new coolant tank made for my car. The fabricator asked if i wanted it made out of aluminum or stainless, and i don't know how to decide. I see that most or all aftermarket metal coolant tanks are made of aluminum, not stainless...is there a reason for that? He said the cost would be the same for either material.

So, is one material better than the other for a coolant tank?

Thanks,
Tim

Moderators, if this is in the wrong forum i apologize.

Re: Coolant Tank Material [Re: T_Bortz] #4652910
02/01/18 09:48 AM
02/01/18 09:48 AM
Joined: Dec 2017
Posts: 2,334
SE British Columbia, Canada
Snagglefoot Offline
Snagglefoot  Offline
Joined: Dec 2017
Posts: 2,334
SE British Columbia, Canada
Very interesting. All else being equal I would take the Stainless Steel as it is possible for aluminum to deteriorate in depleted coolant. What vehicle is this?

SF


If you want the job done right......do it yourself.
Re: Coolant Tank Material [Re: T_Bortz] #4652913
02/01/18 09:53 AM
02/01/18 09:53 AM
Joined: Mar 2013
Posts: 4,767
The Midwest
skyactiv Offline
skyactiv  Offline
Joined: Mar 2013
Posts: 4,767
The Midwest
Alunimum s brittle, gor for stainless steel.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Re: Coolant Tank Material [Re: T_Bortz] #4652953
02/01/18 10:31 AM
02/01/18 10:31 AM
Joined: May 2012
Posts: 5,383
Fort Lauderdale, FL
DoubleWasp Offline
DoubleWasp  Offline
Joined: May 2012
Posts: 5,383
Fort Lauderdale, FL
Electrolytically speaking, stainless and aluminum hate each other. Stainless attacks aluminum like a mother.

If you have any aluminum in your cooling system, definitely go with an aluminum tank and leave the stainless alone.

If there are "problems" associated with running a properly fabricated aluminum tank, I've never heard of them. Anything that will kill an aluminum tank will kill your radiator first, so you're not losing anything that you wouldn't anyway.


07 Lincoln Navigator M1 0w-40/FU
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Re: Coolant Tank Material [Re: T_Bortz] #4652987
02/01/18 11:09 AM
02/01/18 11:09 AM
Joined: Jun 2009
Posts: 429
New England
555 Offline
555  Offline
Joined: Jun 2009
Posts: 429
New England
Weight is a factor. Aluminum is lighter.


84 XJ6 M1
92 Mustang 5.0 Redline
99 Tahoe 2 door Castrol Edge
99 MX5 Miata Anniversary Edition M1
04 Subaru STi Motul
Re: Coolant Tank Material [Re: DoubleWasp] #4653046
02/01/18 12:06 PM
02/01/18 12:06 PM
Joined: Jun 2016
Posts: 23
Pennsylvania
T_Bortz Offline OP
T_Bortz  Offline OP
Joined: Jun 2016
Posts: 23
Pennsylvania
Originally Posted By: DoubleWasp
Electrolytically speaking, stainless and aluminum hate each other. Stainless attacks aluminum like a mother.

If you have any aluminum in your cooling system, definitely go with an aluminum tank and leave the stainless alone.


My radiator is entirely made of aluminum...

Re: Coolant Tank Material [Re: T_Bortz] #4653135
02/01/18 01:25 PM
02/01/18 01:25 PM
Joined: Dec 2016
Posts: 6,239
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,239
Waco, TX
Go with a 3000 or 5000 series aluminum, Typically 3003 or 5052.

These will be the more corrosion resistant.

"5000 series are alloyed with magnesium, and offer superb corrosion resistance, making them suitable for marine applications." https://en.wikipedia.org/wiki/Aluminium_alloy

Make sure you know what the material is - NOT ALL aluminum is the same!!!


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Coolant Tank Material [Re: T_Bortz] #4653619
02/02/18 05:13 AM
02/02/18 05:13 AM
Joined: Jun 2016
Posts: 23
Pennsylvania
T_Bortz Offline OP
T_Bortz  Offline OP
Joined: Jun 2016
Posts: 23
Pennsylvania
Thanks for the input guys. I think i will be going with an aluminum tank. I will definitely find out what material he can get.

Re: Coolant Tank Material [Re: Linctex] #4653634
02/02/18 06:48 AM
02/02/18 06:48 AM
Joined: Jan 2011
Posts: 2,718
N.Ohio
Lubener Offline
Lubener  Offline
Joined: Jan 2011
Posts: 2,718
N.Ohio
Originally Posted By: Linctex
Go with a 3000 or 5000 series aluminum, Typically 3003 or 5052.

These will be the more corrosion resistant.

"5000 series are alloyed with magnesium, and offer superb corrosion resistance, making them suitable for marine applications." https://en.wikipedia.org/wiki/Aluminium_alloy

Make sure you know what the material is - NOT ALL aluminum is the same!!!

I am sure these guys in this business, providing a warranty, know what they are doing. We are not making an aircraft here.


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