Tangshan City Fengrun District Baojie Abrasive Resistant Material Co., Ltd.| Manufacturer
Tangshan City Fengrun District Baojie Abrasive Resistant Material Co., Ltd.

China Manufacturer with main products: Grinding Ball, Chrome Steel Ball, Cast Grinding Ball, Ball Mill Grinding Media, Ball Mill Balls, Forged Steel Ball, Cast Iron Grinding Ball,...

Home  >Products Catalog > High quality forged steel grinding balls for cements, mines, coal

High quality forged steel grinding balls for cements, mines, coal

Specifications

 

The Ball Diameter (mm) Unit Weight Numbers of Per Metric Ton 
20 0.03 31056
25 0.06 15873
30 0.11 9091
40 0.26 3891
50 0.50 2000
60 0.87 1153
70 1.37 729
80 2.05 487
90 2.90 345
100 4.00 250
110 5.30 188
120 6.80 147
130 8.74 114

 

 Specialication 

 

Cast Steel Balls Cr % C % Mn % Si % P % S %
Low Chrome 1% 2.2-2.5 0.3-1.0 0.3-1.0 ≤0.1 ≤0.1
High Chrome  10% 1.8-3.2 0.5-1.5 0.3-1.2 ≤0.05 ≤0.05
High Chrome + 17% 1.8-3.2 0.5-1.5 0.3-1.2 ≤0.05 ≤0.05
Quenching Oil  10%-17% 1.8-3.2 0.5-1.5 0.3-1.2 ≤0.05 ≤0.05

 

Cast Steel Balls Cr % Hardness Ak(J/CM2) Microstructure Times of Falling
Low Chrome 1% 42-45HRC ≥1.6 P+C ≥10000
High Chrome 10% 50-55HRC ≥2.5 M+C+A ≥15000
High Chrome + 17% 50-55HRC ≥2.5 M+C+A ≥15000
Quenching Oil 10%-17% 57-64HRC ≥3.0 M+C+A ≥20000

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