Here’s a video of me making a canopy part.This is a simple go-through “T” fitting made from 1 7/8″ fence pipe..
EDIT: I put up a new video where I show how to make a whole canopy http://www.youtube.com/watch?v=C3rNiKAbPUY
Here’s some good info about welding on galvanized steel:
Tianjin Reliance Steel Pipe Industry & Trade Co., Ltd. was officially founded in 2004, and is located in Caigongzhuang Industrial Area in Jinghai County, Tianjin, China. We are a joint-stock enterprise, with 3 branch plants.
Our main products are:
Welded Pipes, Square & Rectangular Hollow Section Tubes
Galvanized Steel Welded Pipe and Pre-galvanized Steel Pipes.
Address:Hi-Tech information square, NanKai district of Tianjin.