2 3/8" pipe 4x6 posts and crossbar
1 3/4 pipe for bottom
1 1/4 pipe for top
1 1/4 back verticle support bar
I believe all the pipes are 1/8 inch wall thickness.
Bottom is a 22" Radius on each side blended into a 44" deep straight back bar.
Top is 22" deep and have no idea what the radius is on each side blending from hte top corner into the straight portion of the back. On a nicer weather day i can take pics for you with a tape measure laid out on it. Snowing like mad right now.
You can get a closer look at the goal itself at
http://www.rileymfg.com/Professional Hockey Goal.htm which is where I picked up the set I have.
* found this at NHL.com