On Tue, 04 Sep 2007 16:47:14 -0700, mark
wrote:

Can 1/2" schedule 40 steel pipe be used for hydraulics up to 2000psi?

Welded black iron from Home Depot? Chances are it wouldn't burst, but
I wouldn't consider it safe, and the usual cast iron fittings are
right out.

--
Ned Simmons