1. High Chromium Alloyed Casting BarsProduction Process
      Raw Material → Cutting → Stove → Forging → Transfer Machine → Quenching→ Heat Treatment→ Dimension Test → Hardness Test → Packing → Transportation
    1. Low Chromium Alloyed Casting BarsHigh hardness and good wear resistance
      Strong toughness and unbreakable
      Regular outer shape, keeping a round shape without deformation
    1. Polybasic Alloyed Casting BallsThe application of grinding steel balls is ultrafine powder preparation and processing. They are widely used in cement building materials, metal mine, coal slurry thermal power, chemical, ceramic material, light paper making, magnetic materials and many other industries.
    1. Polybasic Alloyed Casting BarHigh hardness and good wear resistance
      Regular outer shape, keeping a round shape without deformation
      Light weight and energy saving and environmental protection

High Chromium Alloyed Balls

Grinding Steel Ball High Chromium Alloyed Balls
1. Product Application:

Grinding steel balls found wide usages in ultrafine powder preparation and processing. They are widely used in cement building materials, metal mine, coal slurry thermal power, chemical, ceramic material, light paper making, magnetic materials and many other industries.The main advantages of the balls are with high hardness and tenacity, low abrasion and less crush.

2. Production Process:
Raw Material → Cutting → Stove → Forging → Transfer Machine → Quenching→ Heat Treatment→ Dimension Test → Hardness Test → Packing → Transportation

3. Main Specification and Technology
Specification

Diameter(mm)
10 12.7 15 17 20 25 30 40 50 60 70 80 90 100 110 120 125 130
Chemical Composition
Name Style C Si Mn Cr Mo P S
Normal ZQCr10 1.8-3.2 0.3-1.2 0.2-1.0 10-13 micro- ≤0.10 ≤0.10
Special ZQCr26 2.0-3.0 ≤1.0 0.2-1.0 22-28 ≤1.0 ≤0.10 ≤0.08
ZQCr20 2.0-3.0 ≤1.0 0.2-1.0 18-22 ≤1.0 ≤0.10 ≤0.08
ZQCr17 2.0-3.2 ≤1.0 0.2-1.0 13-18 ≤1.0 ≤0.10 ≤0.08
Properties and Micro-structure
Name Style HRC AK(J/cm2) Metallographic structure Falling ball Impact fatigue Life(times)
Quench Not quench
Normal ZQCr10 ≥58 ≥50 ≥4.0 M+C ≥18000
Special ZQCr26 ≥58 ≥45 ≥5.0 M+C ≥18000
ZQCr20 ≥58 ≥45 ≥4.0 M+C ≥18000
ZQCr17 ≥58 ≥49 ≥4.0 M+C ≥18000
Casting Ball Size and Weight
Diameter Weight Pieces Per Ton Diameter weight Pieces Per Ton
Φ30 0.11 9091 Φ90 2.90 345
Φ40 0.257 3891 Φ100 4.0 250
Φ50 0.50 2000 Φ110 5.30 188
Φ60 0.867 1153 Φ120 6.80 147
Φ70 1.37 729 Φ125 7.75 129
Φ80 2.05 487 Φ130 8.74 114

4. Packing
Flexible container bags or steel drums, depends on customer’s need

5. Advantages
1. High hardness and good wear resistance
2. Strong toughness and unbreakable
3. Regular outer shape, keeping a round shape without deformation
4. Light weight and energy saving and environmental protection