A: Steel balls are divided into grinding steel balls, forged steel balls, and cast steel balls according to the production and processing technology. Bearing steel balls, stainless steel balls, carbon steel balls, copper-bearing steel ball, alloy balls, etc. Among them, bearing steel balls are an important basic part of industry. Alloy steel balls are carbon, chromium, manganese, molybdenum, etc. as the main added metal elements, and are formed by forging, spinning, rolling and casting. Ferroalloy wear-resistant body, it is the most important component of today's crushing industrial mine balls, cement balls and so on.