The rapid development of laser welding technology is favored by people because of the depth, penetration and non-deformation of welding. This article will focus on describing laser welding stainless steel. What is Stainless Steel Stainless steel is a metal alloy known for its resistance to rust and corrosion.Stainless steel is a corrosion-resistant alloy of iron, chromium, and in some cases, nickel, and other metals. It is known for its recyclability, environmental neutrality, longevity, aesthetics, hygienic properties, ease of maintenance, durability,