Stainless steel water pipes? Hi guys
From my 1930s Tudor, the water pipe on the radiator has rusted very thin after 90 years. It already has some holes that I will have repaired now, but I think I will need a new one soon. Now I have a friend who works very well with stainless steel tubes, who would make this tube for me. But before I install a stainless steel pipe in the cooling system, I would like to know your experience with the materials. Does it damage the cast iron engine block or the copper / brass cooler? Electrolysis and contact corrosion can do a lot of damage. Greetings from Berlin Andy |
Re: Stainless steel water pipes? I believe there's one available (SS) from most of the vendor's.
Paul in CT |
Re: Stainless steel water pipes? Yes, a lot is offered, but is it also good for the car?
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Re: Stainless steel water pipes? Quote:
Any metallurgists reading this that can advise? |
Re: Stainless steel water pipes? My experience with the stainless water pipe is that it is made out of 'good' stainless steel (non-magnetic) and while I had it on the car I had no problems. It has now been on a friends car for a few years with no apparent issues.
I had to remove it from my car because the shape or bend is a little different from stock '30 and it interfered with my PowerGen, which has a slightly larger diameter than an original generator. |
Re: Stainless steel water pipes? My problem is that I installed new stainless steel water pipes in my house a year ago. A component that made the connection to a provisional water pipe was also new and made of galvanized cast iron. This component has completely rotten from the inside in a year, I had to replace it with a stainless steel part a week ago.
If I now consider that the radiator or the head gasket decomposes due to a stainless steel pipe in the cooling system, I would rather stick to normal metal ... |
Re: Stainless steel water pipes? Umm - the SS tube would be attached at both ends via a rubber hose so there shouldn't be any transfer of SS elements (or visa versus). Or am I missing something here? My SS water tube is still pristine and so is the radiator/motor/hoses, etc.
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Re: Stainless steel water pipes? In my opinion, the transmission would take place through the cooling water and the electrolytes contained therein. And there would be a transmission in the entire system.
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Re: Stainless steel water pipes? And we need stainless why? The original lasted 90 years.
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Re: Stainless steel water pipes? I don't need heard of stainless steel, just my friend only works with it. He doesn't have a normal pipe. If someone had said here now that it is definitely harmless, I would have had a pipe built, but I think I would rather order an original normal one and wait four weeks for delivery.
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Re: Stainless steel water pipes? The most common grades for tubing are T304 and T316. These are austenitic alloys of nickel, chromium and carbon. T304 is the predominate stainless steel alloy of tubing. In the Galvanic Series of Metals, 304 Stainless is close to Titanium, Silver & Gold, but far away from gray cast iron so galvanic corrosion should not be a concern. Moreover, stainless steel is far better resistant to the highly alkaline and acidic flushing solutions we use.
The rubber hoses at the ends of the water inlet pipe do protect the pipe galvanically because the coolant is an electrolyte. |
Re: Stainless steel water pipes? Quote:
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Re: Stainless steel water pipes? Maybe you had faulty galvanized fittings...I had 3 or 4 galvanized nipples to rust through in 2 or 3 years and the rest of them in my house (between the drop ell and brass cutoff) have been in over 25 years...Just a thought...:)
TOB |
Re: Stainless steel water pipes? I am thinking like Daren007. The last pipe lasted 90 years and that ain't bad, so why go to all the expense and effort to have a stainless one made or to buy one that costs so much more? Just thinking aloud....
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Re: Stainless steel water pipes? OffTopic
Quote:
Here is a picture. http://www.corradodriver.de/Bilder/Zink.jpg All parts installed a year ago. The stainless steel was like new on the inside, the copper as well ... The cast iron part was almost completely clogged on the inside and rusted from the inside out. Back to topic. Quote:
Today I had the original pipe repaired for the first time. It will last 1-2 years, but then a new one will be needed. Thanks Bob, I think I'll have the replacement made of stainless steel. The price for this will be relatively low, that's what a good friend does. Here you can see the original pipe again. http://www.drg-ler.de/Bilder/Ford/Fo...enerator/1.jpg Greetings Andy |
Re: Stainless steel water pipes? [QUOTE=Magicbox51;1883394]I am thinking like Daren007. The last pipe lasted 90 years and that ain't bad, so why go to all the expense and effort to have a stainless one made or to buy one that costs so much more? Just thinking aloud....[/QUOTE]
I absolutely agree! Let common " cents " prevail! |
Re: Stainless steel water pipes? I am not familiar withthat pipe. What is teh small black tube sticking up from teh main pipe, return connection for hot water heater?
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Re: Stainless steel water pipes? Quote:
Andy |
Re: Stainless steel water pipes? No expert. But it says here:
"If a noble metal like stainless steel has a large surface area in contact with the electrolyte while the sacrificial metal (such as aluminium) has a very small surface area in contact with the electrolyte, then the stainless steel will generate a large corrosion current which will be concentrated on a small area of sacrificial metal." https://www.assda.asn.au/technical-i...etal-corrosion |
Re: Stainless steel water pipes? Hi Andy. I've been using a SS water inlet pipe on our Roadster for probably 10 years or better no problems whatsoever.
Some guys like the look of the black painted pipe better, they come powder coated now so they will really hold up. Get one with a mandrel bend, little to no kink at the curve, so the water flows freely with little restriction. Good luck and have fun w/ that Model A over in Germany:):) |
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