NM550 Plate is a premium ultra-high hardness wear-resistant steel plate of the NM series with a nominal hardness of 550HB, manufactured through an advanced quenching and tempering process. It features superior wear resistance than NM500, maintaining excellent core toughness and strong anti-impact performance even under extreme heavy abrasive, high-load and high-impact working conditions. It has workable weldability and formability with professional pre-treatment, supports customizable thickness, width and length, and has precise dimensional tolerance, serving as a top-tier material for ultra-severe wear scenarios in heavy industry.