Can you solder steel to aluminum. Sure it wont be as easy as soldering say copper or even steel. A step by step guide on how to solder aluminum with soldering iron to follow. After that apply a flux made specially for aluminum then heat the aluminum until the flux bubbles and turns light brown. Youll find out that you can solder aluminum.
This same technique can be used to join many metals in any combination. Next clean the aluminum with a stainless steel brush and clamp together the pieces youre joining. I would recommend either finding a substitute for your aluminum part in steel in which case you might be able to weld the joint. But if you familiarize yourself with the key points of aluminum soldering as are spelled out in the article then you will learn how to effectively solder aluminum.
Steel is usually welded together but you can also solder itsoldering is a metalworking process that involves joining two pieces of metal together by bonding them with solder a metal with a lower melting point than steelcopper pipes or tubing are usually soldered. This is essential since aluminum can easily form aluminum oxide once it comes into contact with air. Aluminum can be soldered but doing so can be much more difficult than with other metals. Diy aluminum brazing holes in canoe boat with blue demon triple play aluminum solder welding duration.
The torch im using has a broad flame so its probably not as efficient in heating the specific area for welding. Up until recently i didnt know how easy it is to solder aluminum with a propane torch. In this video aluminum is joined to stainless steel using a propane torch. A torch with more of a pin point would do bet.
Alternately you could try some kind of mechanical connection like roberts our screws. How to solder aluminum. Super alloy 1 multi metal solder can be used to join dis similar metals. Finally drag the solder across the places where you want the aluminum pieces to be joined together.