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welding coated pipes

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miyo

miyo

Mechanical
Joined
Jul 18, 2005
Messages
12
Location
IL
I have a project of a water line made of steel pipes coated inside with cement-alumina.
Looking for information aout the right way to weld them without harming the coating.
 
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Try the pipe manufacturers.

My guess is that the coating will be damaged due to the HAZ (heat affected zone) & will have to be repaired.

If it is an alumina cement coating, I would be very wary - there have been some dramatic failures of HAC (high alumina cent) in tehr UK & Europe many years ago.

I do not know of the system so I cannot comment further.

 
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