What Metals can be Brazed? Many different kinds of metals can be brazed. Copper, and copper-based metals such as bronze and brass, are typically brazed with copper phosphorus alloys also known as AWS (American Welding Society) BCuP filler metals.. Tool, mild, and high alloy steels, stainless steels, precious metals, cast iron, monel, inconel, carbide, nickel, brass, copper, and bronze ...