Steel Ball Mills Lined Ball Mills. Particle size reduction of materials in a ball mill with the presence of metallic balls or other media dates back to the late 1800s. The basic construction of a ball mill is a cylindrical container with journals at its axis. ... The cylinder is filled with grinding media (ceramic or metallic balls or rods ... Buy high quality Forged Steel Grinding Balls For Sale by Shandong Huamin Steel Ball Joint-Stock Co., Ltd.. Supplier from China. Product Id 704659.