Important Notice: Our web hosting provider recently started charging us for additional visits, which was unexpected. In response, we're seeking donations. Depending on the situation, we may explore different monetization options for our Community and Expert Contributors. It's crucial to provide more returns for their expertise and offer more Expert Validated Answers or AI Validated Answers. Learn more about our hosting issue here.
• A: The only metal we know of that can not be welded is titanium, I m sure there are some specialty alloys that can t be welded but, Most of the metals on cars or trucks is fair game with the exception of HSLA steel on unibody cars which it is not approved for (It will do it but is illegal in most states)
