How To Weld Aluminum With Steel. Produce arc-welded joints between aluminum and steel pipelines. One method is to coat the steel with aluminum.
The aluminum-coated steel base metal can then be arc welded onto the steel part. Now it may sound like there is. Weld aluminum tubing with steel or stainless steel tube sheets on heat exchangers.
You electrically insulate the aluminum from the steel.
A filler material with a copper coating is the most suitable one for TIG welding. The Basics of Welding Aluminum to Steel. However it is quite expensive and therefore not used for the complete hull. Produce arc-welded joints between aluminum and steel pipelines.