At first glance stainless steel brake lines seem to be a good idea.
However they are not. Technically they may be illegal in many countries
as you cannot have a double ended flare. There may also be a problem
with metal fatigue and last but not least, if you use copper washers to
seal you may have electrolytic corrosion of either the stainless steel,
or the zinc/cadmium on the steel parts. In most climates cadmium/zinc
plated standard brake line are the best. In damp climates with salted
roads consider Cunifer or another copper/nickel based pipe. However
brake lines, whatever they are made from, need to be checked over every
year, but we do that anyway, don4t we.
Kees Oudesluijs
NL
Op 27-6-2013 7:52, john spaur schreef:
> This thread is all about the flare connections. It is not about the
> flats where copper washers are standard.
>
> The pertinent question is "if the flares do indeed seal". I have found
> SS lines to be hard to seal. Conical copper crush washers seal well
> but are difficult to install. Galling of seats, such as in the front
> calipers, is not good. At the very least there could be leaks in
> subsequent repairs and at the worst... a brake failure.
>
> John
>
> At 07:00 PM 6/26/2013 -0700, you wrote:
>> The harder SS will gall the flats where the fittings meet, but won't
>> gall the flares? If the flares do indeed seal, why would minor
>> galling of the flats or threads be a problem?
>>
>> Bob
>>
>> On 6/26/2013 4:30 PM, john spaur wrote:
>>> Bob - I have stainless steel main supply lines. Copper crush washers
>>> are recommended to prevent the harder stainless steel from galling
>>> the softer steel fittings. BTW, the treads don't seal the line they
>>> hold the flare against the seat to seal the line.
>>>
>>> John
>>>
>>>
>>>
>>
>>
>> --
>> *******************************************************************
>> Bob Spidell San Jose, CA bspidell@comcast.net
>>
>> *******************************************************************
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Kees Oudesluijs
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E: coudesluijs@chello.nl
Technische commissie Jensen Healey en GT
Het Jensen Genootschap Holland
www.jensenholland.nl
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