Grade 1.2379, also known as D2 steel, stands as a stalwart in the realm of cold work tool steels, epitomizing the perfect balance of toughness, wear resistance, and edge retention. Crafted with precision and ingenuity, this steel alloy serves as a cornerstone material for critical applications in cold work tooling, such as blanking, piercing, and forming operations.
At its core, Grade 1.2379 steel boasts an alloy composition meticulously engineered to optimize mechanical properties and enhance performance under low-temperature conditions. Enriched with elements such as chromium, molybdenum, and vanadium, this steel exhibits exceptional hardness, wear resistance, and dimensional stability, making it an ideal choice for tooling subjected to abrasive wear and heavy mechanical loads.
The hallmark feature of Grade 1.2379 steel lies in its superior edge retention and toughness, ensuring prolonged tool life and reduced downtime in cold work applications. Its uniform microstructure and fine grain size enable precise machining and shaping, reducing production lead times and costs while ensuring dimensional accuracy and surface finish in the final product.
Moreover, Grade 1.2379 steel offers unmatched grindability, allowing for the fabrication of complex components with ease. Its fine microstructure and uniform distribution of alloying elements enable effortless machining and grinding, ensuring precise tooling and consistent part quality in the final product.
Furthermore, Grade 1.2379 steel embodies a commitment to sustainability and environmental responsibility. Its high recyclability and low carbon footprint make it a preferred choice for green engineering initiatives, contributing to the conservation of resources and reduction of environmental impact.
In essence, Grade 1.2379 steel represents a testament to human ingenuity and innovation in materials engineering, offering unmatched performance, reliability, and sustainability for critical applications in cold work tooling. As industries continue to evolve and innovate, Grade 1.2379 steel stands ready to meet the challenges of tomorrow, driving progress and shaping the future of engineering materials. Contact us.
Chemical Composition :
| C | Mn | Si | Cr | Ni | Mo | P | S | P+S | V | W |
| 1.55 | 0.35 | 0.35 | 12.00 | 0.75 | – | – | – | 0.90 |
HARDNESS :
| HB | HRC |
| max. 250 | 63* |
APPLICATIONS :
Threading rolls and dies, cold extrusion tools, trimming, cutting, and stamping tools for sheet thicknesses up to 6 mm, precision cutting tools for sheet thicknesses up to 12 mm, cold pilger mandrels, circular-shear blades, deep-drawing tools, pressure pads, and highly wear-resistant plastic moulds.