The paper presents a description of fracture surface development for Armox 500T steel in the space of triaxiality and the Lode parameter. The aim of this work was achieved with the application of the proposed coupled experimental-numerical procedure. Firstly. an appropriate set of basic tests was proposed and performed with experimental data acquisition. https://leoners.shop/product-category/2-pc-living-room-package-w-chair-and-a-half/