Martensitic Stainless Steel
A type of stainless steel , martensitic steel can be welded in the state of annealing, hardening and tempering. Regardless of the original state of the steel, a hardened martensite zone will be produced near the weld bead after welding. The hardness of the heat affected zone depends on the carbon content of the base metal. When the hardness increases, the toughness decreases.