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Pickled and Oiled pipe

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MarineGreg

Marine/Ocean
Joined
Dec 22, 2006
Messages
12
Location
CA
Hello all.

What is the process of pickling and oiling steel pipe?
And what are the advantages?

Thanks.
 
Pickling is using an acid solution to remove oxide (mill scale, welding & heat treatment scale, rust).
Usually done in either hot sulfuric or slightly heated hydrochloric acid solutions containing inhibitor. Easier than mechanical methods if both inside & outside of pipe must be cleaned.

Oiling is temporary protection from rusting.
 
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