日本大同钢材代理-龙柏模具钢

Group 1 - Longbai Mould Technology serves as the domestic agent for Daido Steel, focusing on high-quality mould steel solutions [1] - Daido Steel holds a significant position in the global precision manufacturing sector due to its rigorous production processes and stable material performance [1] - The product range includes classic grades such as DC53 and NAK80, widely used in high-precision mould applications for automotive parts, electronic connectors, and medical devices [1] Group 2 - Daido Steel's advantages include high material purity achieved through special melting techniques, enhancing toughness and wear resistance [3] - DC53 maintains a hardness of 62-63 HRC after high-temperature tempering, with impact toughness superior to similar tool steels [3] - NAK80 pre-hardened steel can be directly machined and polished, significantly reducing mould manufacturing cycles [3] Group 3 - Customers using Daido DC53 for tool manufacturing report a lifespan increase of approximately 30%, effectively reducing production line downtime [3] - Optical lens mould manufacturers utilizing NAK55 benefit from its uniform microstructure, achieving mirror processing effects and avoiding common defects like pores and streaks [3] Group 4 - DC53 has improved vanadium content compared to SKD11, resulting in a 40% reduction in heat treatment deformation and significantly enhanced chipping resistance, making it particularly suitable for precision blanking and cold work mould applications [3] - NAK80 is pre-hardened to 40-42 HRC upon delivery, allowing for direct cutting and mirror polishing, with a recommendation for low-temperature stress relief treatment between 260-320°C to ensure dimensional stability [3]