Yes, fiber lasers can mark a wide range of metals, including:

· Stainless steel: One of the most common metals marked with fiber lasers, offering excellent resistance to corrosion and high-quality markings.

· Aluminum: A lightweight metal commonly used in various industries, easily marked with fiber lasers.

· Copper: Another versatile metal that can be effectively marked with fiber lasers.

· Brass: A copper-zinc alloy that can be marked with fiber lasers, producing clear and durable markings.

· Titanium: A strong and lightweight metal that can be marked with fiber lasers, even though it has a high reflectivity.

· Other metals: Fiber lasers can also mark other metals, such as nickel, gold, and silver, depending on their properties and the laser settings.

Fiber lasers are particularly effective at marking metals with varying hardness and reflectivity. The laser's ability to penetrate deep into the material allows it to create permanent markings on even the most challenging metals.