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Made high & low pressure tubes(professional, high quality 330atm, 45$ was only the hoses) and decided to throw them away, before even mount them. Then made copper tubes 8x1mm, 10x1mm(around 15$ with all materials), and now I'm waiting for the steering rack repair. Will report, is it ok, but copper will not degrade from the temp, longer tube acts as radiator(removed original misconception), and diameter is less, so expected easy mount. Added heat protection(glass cloth for auto repair, bandage with teflon and metalic heat deflector over). Some tin added to the high pressure tube, to have plastic layer when tighten(good or bad idea - will see - can be cut and re-done without tin). glass cloth high pressure tube heat deflector taken from plumbing store pipe low pressure pipe ready Teflon over glass cloth tin over copper tool for 12$
A word of caution. Copper is generally only used in steady pressure systems such as refrigeration, not variable pressure systems. Copper has poor ductility (it gets brittle as it stretched, deformed, exposed to variable pressures, etc.). That's why brake lines are not made of pure copper, but are usually a copper nickel alloy. I would be concerned that you could suffer a premature failure.
A word of caution. ...That's why brake lines are not made of pure copper, but are usually a copper nickel alloy.
Yes, I know CuNiFer is for the high pressure systems. I know it, but sellers of the pipes don't know it!!! Producer of the high pressure armature don't know it too. I have feeling, from day to day, the things goes wrong - no materials needed, no masters ... So, I used soft copper pipe - around 160atm(85atm XJS max?) working pressure... will see
It's not the pressure maximum that is the issue, it's the pressure variability. Each cycle of stretching and compressing reduces the copper's ductility, each cycle makes it more brittle.
To think of it another way, you can only bend copper tubing a certain number of times before it just snaps apart.
I hope it works for you, and certainly should in the short-term, but I don't want you to experience an expected and sudden failure.
Hmm - there is pb with the copper pipe on the rack side - oil drips from the connection On the pump side there is no pb - I made fitting, soldered to the pipe, and there is little o-ring. Will try cupronickel, If I succeed to buy it.
Power Steering - copper tubes?
