Tool Steel | 1.2360.05/9 | A-8 mod ESU

1.2360.05/9, also known as A-8 Modified ESU (Electro-Slag Remelted), is a premium tool steel characterized by its exceptional toughness, wear resistance, and stability under high mechanical stresses. The ESU process refines the material’s microstructure, enhancing its cleanliness and overall mechanical performance, making it particularly suited for demanding tooling applications in industries like automotive, aerospace, and manufacturing. This material is commonly used for dies, punches, shear blades, and cutting tools where extreme durability and precision are essential. At Rosswag, we process 1.2360.05/9 using advanced open-die forging and precision machining techniques to produce components of the highest quality and tailored to exacting specifications. With its enhanced toughness and wear resistance, 1.2360.05/9 is a trusted choice for critical tool and die applications.