We are the leading manufacturer of steel grinding media, forged grinding balls, grinding rods, cylpebs and ball mill wear parts. Established in 1995, to serve the cement, mineral processing, power plant, chemical and other industries more than 20 years.
1.
Forged grinding media ball
Chemical composition of forging steel balls
Brand |
Materials |
C% |
Si% |
Mn% |
P% |
S% |
Cr% |
Ni% |
Cu% |
JC-1 |
B2 |
0.7-0.85 |
0.17-0.37 |
0.7-1.00 |
≤0.035 |
≤0.035 |
0.50-0.60 |
≤0.20 |
≤0.20 |
JC-2 |
B2-1 |
0.55-0.7 |
0.15-0.30 |
0.65-0.85 |
≤0.020 |
≤0.020 |
0.70-1.10 |
≤0.20 |
≤0.20 |
JC-3 |
B3 |
0.58-0.66 |
1.70-1.90 |
0.68-0.80 |
≤0.030 |
≤0.030 |
0.78-0.90 |
≤0.20 |
≤0.20 |
JC-4 |
B4 |
0.65-0.75 |
1.20-1.40 |
0.50-0.70 |
≤0.025 |
≤0.025 |
0.85-1.00 |
/ |
≤0.25 |
JC-5 |
B6 |
0.75-0.9 |
0.17-0.37 |
0.8-1.02 |
≤0.035 |
≤0.035 |
0.88-0.98 |
≤0.25 |
≤0.25 |
JC-6 |
B6-1 |
0.82-0.9 |
0.15-0.35 |
0.90-1.05 |
≤0.020 |
≤0.020 |
0.88-0.98 |
≤0.25 |
≤0.25 |
JC-7 |
BU |
0.95-1.05 |
0.15-0.35 |
0.95-1.05 |
≤0.025 |
≤0.025 |
0.45-0.55 |
≤0.06 |
≤0.15 |
JC-8 |
1090 |
0.9-1.1 |
0.17-0.37 |
0.60-0.90 |
≤0.025 |
≤0.025 |
≤0.025 |
≤0.02 |
≤0.02 |
JC-9 |
42CrMo |
0.38-0.45 |
0.20-0.40 |
0.50-0.80 |
≤0.035 |
≤0.035 |
0.90-1.20 |
/ |
/ |
JC-10 |
40Cr |
0.37-0.45 |
0.20-0.40 |
0.50-0.80 |
≤0.035 |
≤0.035 |
0.80-1.10 |
/ |
/ |
JC-11 |
65MN |
0.62-0.7 |
0.17-0.37 |
0.90-1.20 |
≤0.035 |
≤0.035 |
≤0.25 |
/ |
/ |
JC-12 |
60MN |
0.57-0.65 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
JC-13 |
50MN |
0.48-0.56 |
0.17-0.37 |
0.70-1.00 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
/ |
Specification of forged steel Grinding balls
Nominal diameter |
Diameteical Tolerance |
Weight of single ball in average |
Surface hardness |
Impact toughness |
(mm) |
(mm) |
(G) |
(HRC) |
(J/c) |
Ф20 |
+2 -1 |
32 |
>60 |
≥12 |
Ф25 |
64 |
Ф30 |
110 |
Ф40 |
263 |
Ф50 |
513 |
Ф60 |
+3 -2 |
888 |
Ф70 |
1410 |
Ф80 |
2104 |
Ф90 |
2996 |
Ф100 |
+4 -2 |
4110 |
Ф110 |
5457 |
Ф120 |
7102 |
>58 |
Ф130 |
9030 |
Ф140 |
+4 -3 |
11278 |
>55 |
Ф150 |
13871 |
2. Casting grinding media ball:
Chemical Components |
Type |
Chemical components |
C |
Si |
Mn |
Cr |
Mo |
Cu |
P |
S |
Low-Cr |
2.0-3.0 |
≤1.5 |
0.3-1.5 |
1-3 |
≤1.0 |
≤0.8 |
≤0.10 |
≤0.10 |
Medium-Cr |
2.0-3.0 |
≤1.2 |
0.3-1.5 |
4-9 |
≤1.5 |
≤0.8 |
≤0.10 |
≤0.10 |
High-Cr |
2.0-3.0 |
≤1.2 |
0.3-1.5 |
10-18 |
≤1.0 |
≤1.2 |
≤0.10 |
≤0.06 |
Superhigh-Cr |
2.0-3.0 |
≤1.2 |
0.3-1.5 |
19-35 |
≤2.0 |
≤1.2 |
≤0.10 |
≤0.06 |
Mechanical Properties and Microstructure |
Type |
Hardness |
Falling times |
Microstructure |
Impact Toughness |
Low-Cr |
≥45 |
≥8000 |
M+C |
≥5 |
Medium-Cr |
≥50 |
≥12000 |
M+C |
≥5 |
High-Cr |
≥58 |
≥15000 |
M+C |
≥5 |
Superhigh-Cr |
≥60 |
≥22000 |
M+C |
≥5 |
P-Pearlite C-Carbide M-Martensite |
3. Four Major Advantages Stronger and More Wearable
(1)Customized Raw Materials
(2)Advanced Full-automatic Production Line
(3)Unique Heat Treatment Technology
(4)Rigorous Quality Control System
4. Company profile:
1 Established in 1995,is the biggest and most specialized casting and forged products manufacturers.
2 Annual production capacity is over 100,000 tons.
3 We have been equipped with advanced automatic production lines.
4 Our company has been accredited with ISO9001 Quality Certification,ISO45001 Occupational health and safety certification and ISO14001 environmental management system certification.
5 Our clients are from all over the world,such as Australia,South Africa,Ghana,Korea,Canada,USA etc.
5. .Packing of Products: