AISI S7 steel, classified as a tool grade steel for cold work, highlights its balance between toughness and wear resistance, with applications in cold work and plastic molding, this steel can be hardened between 50-55 HRC is supplied Under annealing conditions, its chemical composition includes elements such as chromium, vanadium and molybdenum, giving it exceptional properties for various industrial applications.
S7 steel Belonging to the category of impact-resistant steels, it is positioned as a tool grade steel specially designed for cold work, its versatility extends to plastic molding, where it demonstrates its ability to face demanding conditions. With a chemical composition that includes elements such as chromium, vanadium and molybdenum, AISI/SAE S7 achieves a unique balance between toughness and wear resistance. It has a maximum hardness of 50-55 HRC in annealed supply conditions, thus offering exceptional performance in various industrial applications.
The physical properties of AISI/S7 SAE, such as its thermal conductivity and coefficient of thermal expansion, are key factors contributing to its superior performance, in addition, its yield strength and hardness, approximately 1,650 MPa (240,000 Lb/in²) at 50 HRC and 2,030 MPa (295,000 Lb/in²) at 55 HRC, respectively, reflect the mechanical robustness of this steel.
Regarding the heat treatment, it is recommended to relieve stress in cases of severe roughing due to machining, the hardening process by transformation to martensite, austenitization and tempering is carried out in accordance with the recommendations of the type of steel, allowing adjustments in final hardness according to the mechanical requirements of the application.
In summary, the AISI S7 is a reliable solution for those looking for a versatile tool steel, with exceptional performance in cold working conditions, and plastic molding, its balance between toughness and wear resistance, backed by careful heat treatment , makes it an outstanding option in the industrial panorama.
