In article ,
Han wrote:

A friend got this link to a cute modernistic bookcase. I'm wondering what
kind of pipe and fittings and what kind of black paint might have been
used, so the paint doesn't flake of 1 week after set up.
http://www.apartmenttherapy.com/chic...plumbing-pipe-
shelving-097760
or
http://preview.tinyurl.com/ycac3oz

Why does the author of the article find it so amazing - get ready - that
the price tag was $200?

As far as paint flaking off, it's all about surface prep and choosing a
primer appropriate for the substrate.