Characteristics and Process Flow of Hot Rolled Steel Balls

Introduction to Hot Rolled Steel Balls

Hot rolled steel balls are precise in size, geometrically round, high in hardness, have good mechanical properties, are wear-resistant, and are not easily deformed or cracked. Typically, forged balls are widely used as grinding media in ball mills internationally.

Characteristics of Hot Rolled Steel Balls

• Hot rolled steel balls have many advantages of steel. They are formed by rolling with specialized equipment and then undergo heat treatment to become high-quality grinding steel balls;

  
  

• Hot rolled steel balls have high production efficiency and large capacity. The rolling ball production is highly mechanized and automated, with no manual operation involved, minimizing human interference;

  
  

• Hot rolled steel balls have low energy consumption, no pollution, low labor intensity, and relatively low production costs;

  
  

• Hot rolled steel balls have stable intrinsic quality, dense metallographic structure, fine grain, are not easily deformed, have good wear resistance, high impact toughness reaching 18-28J/cm², and a breakage rate of less than 0.5%;

  
  

• Hot rolled steel balls have good forming quality, small roundness deviations, and good appearance quality;

  
  

• Hot rolled steel balls are relatively heavy, exceeding 7.85g/cm³;

  
  

• Hot rolled steel balls have high hardness, reaching 62-65HRC, with uniform internal and external hardness, and small hardness differences.

Process Flow of Hot Rolled Steel Balls

• Round steel rod materials customized by the steel mill are inspected and then cut into hot-rolled steel ball rods of the required length;

  
  

• The cut steel ball rods are first heated to the appropriate temperature through a continuous heating furnace;

  
  

• The red-hot rods are sent into a steel ball rolling mill, where they rotate and move forward between two rolls with special spiral steel ball molds, continuously rolling into steel balls;

  
  

• The red-hot steel balls formed by rolling immediately enter specially designed heat treatment equipment for quenching-tempering heat treatment, enabling the steel balls to achieve high and uniform hardness;

  
  

• After cooling, the qualified products are inspected and sent to the finished product warehouse, packaged, and then delivered to customers.

Why Choose Chengxin's Hot Rolled Steel Balls?

• Chengxin's hot rolled steel balls are produced using rotary cutting and roll forging processes, offering fast delivery, high output, and stable quality.

  
  

• Chengxin has highly automated production equipment, unique heat treatment processes, and a strict quality control system. Therefore, the hot rolled steel balls produced by Chengxin excel in all aspects, with surface hardness reaching HRC58-65, volume hardness reaching HRC56-63, uniform hardness distribution, impact toughness greater than 15J/cm², and a breakage rate of less than 0.5%.

  
  

• Chengxin's hot rolled steel balls are widely used in various industrial applications due to their excellent mechanical properties and cost-efficiency.

In summary, the versatility and excellent mechanical properties of hot rolled steel balls make them an indispensable part of these industries.