Welding Aluminum And Steel. Use argon mixed with carbon dioxide for steel but for aluminum you need straight argon. A permanent maintenance free joint between aluminium and steel is essential.
Produce arc-welded joints between aluminum and steel pipelines. Shielding gas is one of the most important factors when welding steel or aluminum. Overhead Ambient or Portable.
You just need to use a more complex method.
But welding steel to aluminum alloys is a stressor. Hydrogen is very soluble in liquid aluminum. MIG or metal-inert gas welding is a common technique for both aluminum and steel. Along with your basic welding supplies including safety gear you will also need some other things to help make the process easier and to successfully weld aluminum to steel.