Step 1 - Open a new
document width a width of 200 pixels and height of 100 pixels.
Step 2 - Using
the square marquee tool make a selection similar to the one on the left.
(make it as thick as you want your pipe to be.)
Step 3 - Choose
the gradient tool, load the copper gradient, click new and change the colors
similar to the ones on the left, or download mine
and load it in your gradient menu.
Step 4 - Fill your
selection with the gradient tool and you have a simple pipe.
Using
the square marquee tool make a selection similar to the one on the left.
(make it as thick as you want your pipe to be.)
Choose
the gradient tool, load the copper gradient, click new and change the colors
similar to the ones on the left, or download 
