Competitive Price Quality Forged Grinding Balls Forged Steel Grinding Balls
1. Forged Grinding Steel Balls Application
① Mining ( Gold, copper, iron ore )
② Cement plant
③ Coal mill
④ Sag mill
⑤ Industry
⑥ All the ball mill or rods mill machine
2. Forged Grinding Steel BallsClassification
According to the different chemical elements , forging grinding balls can be divided into C45,60Mn,B2 and B3. At present, the above four materials are widely used all over the world, that’s the conventional materials, if there are special needs, can be customized.
① 45#
② 60Mn
③ B2
④ B3
3. Manufacturing process
Forged grinding ball is forged by air hammer after being heated by electric furnace.
4. Forged Grinding Steel Balls Detail Specifications
① Chemical Composition
Material |
Chemical Composition |
|||||||
C |
Si |
Mn |
Cr |
P |
S |
Ni |
Cu |
|
C45 |
0.42-0.5 |
0.17-0.37 |
0.5-0.8 |
≤0.25 |
≤0.035 |
≤0.035 |
≤0.25 |
≤0.25 |
60Mn |
0.55-0.65 |
0.17-0.37 |
0.7-1.0 |
≤0.25 |
<0.04 |
<0.04 |
≤0.3 |
≤0.25 |
B2 |
0.72-0.85 |
0.17-0.37 |
0.7-1.0 |
0.4-0.6 |
≤0.025 |
≤0.025 |
≤0.02 |
≤0.02 |
B3 |
0.58-0.66 |
1.3-1.9 |
0.65-0.8 |
0.7-0.9 |
≤0.025 |
≤0.025 |
≤0.02 |
≤0.02 |
② Hardness
Size |
C45 |
60Mn |
B2 |
B3 |
20mm | 55-58 | 58-62 | 60-64 | 62-65 |
30mm | 55-58 | 58-62 | 60-64 | 62-65 |
40mm | 55-58 | 58-62 | 60-64 | 62-65 |
50mm | 55-58 | 58-62 | 60-64 | 62-65 |
60mm | 55-58 | 58-62 | 60-64 | 62-65 |
70mm | 53-56 | 58-62 | 60-64 | 61-63 |
80mm | 53-56 | 58-62 | 59-63 | 60-65 |
90mm | 50-55 | 58-62 | 57-61 | 60-65 |
100mm | 48-52 | 57-61 | 56-60 | 60-65 |
110mm | 48-52 | 57-61 | 55-60 | 58-64 |
120mm | 48-52 | 57-61 | 55-60 | 56-63 |
130mm | 48-52 | 57-61 | 55-60 | 56-63 |
140mm | 48-52 | 57-61 | 55-60 | 56-63 |
150mm | 48-52 | 57-61 | 55-60 | 56-63 |
③ Weight
Size(mm) | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 | 110 | 120 | 130 | 140 | 150 |
Weight(kg) | 0.033 | 0.111 | 0.261 | 0.512 | 0.883 | 1.402 | 2.092 | 2.98 | 1.087 | 5.44 | 7.062 | 9.008 | 11.25 | 13.83 |