In standard, our foundry choose the manganese steel for jaw crusher wear parts.The manganese content is critical to the span life of jaw crusher parts and the cost efficiency of your operation. Manganese content can range between 9% – 24%,it is usually referenced as;

      14% = 13-14% MN

      18% = 17% – 19% MN

      21% = 21% – 24% MN

      Castings with any of these manganese percentages could be the right ones for your application.  It just depends on what goods you’re crushing. Based on your crushed goods, microelements content aslo can change to suit. Such as ,the elements”chrome” can increase the hardness of casting crusher parts.