Why Can’t Aluminum and Steel Be Welded Together?

Q: Why can’t aluminum and steel be welded together?

A: It’s our understanding that the two metals can be bonded using some special techniques that you won’t find at the hardware store, but the two metals cannot be welded using standard methods due in large part to their different melting points. Aluminum melts at a much lower temperature than steel, so by the time the steel starts melting the aluminum would be a pool of liquid.

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