How To Tig Weld Aluminum Pipe. 3.block off the ends to trap the gas; And do yourself a favor and get some 4047 rod for castings where porosity rares its ugly head.
Be sure that the tube is free from any dust and rust. Tig welding machines that run on ac or both ac and dc current can weld aluminum. Tip tig, a weld process that does not require a foot control or.
Second is a pure tungsten electrode with a tapered ball shaped end.
Be sure that the tube is free from any dust and rust. First is an a/c and d/c tig welder with a substantial frequency start button on the tig torch. Tig welding machines that run on ac or both ac and dc current can weld aluminum. Aluminum with high density will require preheating, but less dense aluminum can be worked on without initial heating.