HS Code 73261100 Hot rolling Forged grinding balls for mining / ball mill
As one of the leading grinding steel balls specialists in China, we can certainly assist Ghana Minings in buying grinding steel balls that suit their paticular needs.
Jinan Zhongwei Forged grinding balls advantages
1 . Electric Furnace as compared to coal
2 . Fair Market Price
3 . Quality guarantee
4 . On time delivery
5 . Factory direct sale
6 . ISO 9001 certificate
Type and Chemical Composition
1> Forged Grinding Steel Ball
|
Material |
C |
Mn |
Si |
Cr |
S |
P |
|
50Mn |
0.48-0.56 |
0.70-1.0 |
0.17-0.37 |
≤0.25 |
≤0.035 |
≤0.035 |
|
60Mn |
0.57-0.65 |
0.70-1.0 |
0.17-0.37 |
≤0.25 |
≤0.035 |
≤0.035 |
|
65Mn |
0.60-0.70 |
0.90-1.2 |
0.17-0.37 |
≤0.25 |
≤0.035 |
≤0.035 |
|
B2 |
0.70-0.85 |
0.70-0.80 |
0.17-0.37 |
0.2-0.7 |
≤0.03 |
≤0.03 |
|
75SiMn |
0.70-0.90 |
0.70-1.20 |
0.4-0.8 |
≤0.25 |
≤0.03 |
≤0.03 |
|
Wear-resistant Alloy |
0.50-0.65 |
0.4-1.0 |
1.4-1.8 |
0.9-1.2 |
≤0.03 |
≤0.03 |
B3 Steel forged grinding balls
Physical Property
1> Forged Grinding Steel Ball
|
Material |
Impact Test(Ak.J/cm²) |
Endurance Test Times(5m/T) |
Surface Hardness (Φ25mm- Φ60mm) |
Core Hardness (Φ25mm- Φ60mm) |
Surface Hardness (Φ70mm- Φ100mm) |
Core Hardness (Φ70mm- Φ100mm) |
Breakage |
|
50Mn |
≥12 |
≥10000 |
≥56 |
≥35 |
≥56 |
≥28 |
<1% |
|
60Mn |
≥13 |
≥10000 |
≥58 |
≥38 |
≥58 |
≥29 |
<1% |
|
65Mn |
≥15 |
≥12000 |
≥60 |
≥42 |
≥60 |
≥30 |
<1% |
|
B2 |
≥17 |
≥12000 |
≥60 |
≥52 |
≥60 |
≥50 |
<1% |
|
75SiMn |
≥16 |
≥12000 |
≥60 |
≥50 |
≥60 |
≥48 |
<1% |
|
Wear-resistant Alloy |
≥17 |
≥12000 |
≥60 |
≥54 |
≥60 |
≥52 |
<1% |
Size and Weight
|
Norminal Diameter |
Diametrical Tolerance(mm) |
Approx Weight of Single Ball(kg) |
Average Number of One MT |
|
20mm/0.75'' |
+1,-0.5 |
0.033 |
30303 |
|
25mm/1'' |
+1,-0.5 |
0.064 |
15625 |
|
30mm/1.25'' |
+2,-1 |
0.11 |
9090 |
|
40mm/1.5'' |
+2,-1 |
0.261 |
3831 |
|
50mm/2'' |
+2,-1 |
0.51 |
1961 |
|
60mm/2.5'' |
+2,-1 |
0.883 |
1132 |
|
70mm/2.75'' |
+3,-1.5 |
1.402 |
713 |
|
80mm/3.25'' |
+3,-1.5 |
2.092 |
478 |
|
90mm/3.5 |
+3,-1.5 |
2.98 |
335 |
|
100mm/4'' |
+3,-1.5 |
4.087 |
244 |
|
110mm/4.5'' |
+3,-1.5 |
5.44 |
183 |
|
120mm/4.75'' |
+3,-1.5 |
7.062 |
141 |
Packaging
Big bags (1000Kg Per Bag)
Steel drums (850~920Kg Per Drum
Whole Production line of Forged Grinding Steel Ball
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