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Help CenterDIA 20-150MM Forged Grinding Steel Ball for Ball Mill / Forged and Cast Grinding Steel Ball Price
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DIA 20-150MM forged steel grinding ball for ball mill
Specifications
1.Diameter: 20mm-150mm
2.Hardness:HRC55-67
3.Certificate: ISO9001:2008
4.Breakage rate:<1%
5.Impact tes:>12J/CM2
6.Endurance test times>10000
Chemical Elements:
| name | C | Si | Mn | P | S | Cr |
| 60Mn | 0.57-0.65 | 0.17-0.37 | 0.7-1.0 | <0.035 | <0.035 | <0.25 |
| 65Mn | 0.62-0.70 | 0.17-0.37 | 0.9-1.2 | ≤0.035 | ≤0.035 | ≤0.25 |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | - | - | < 0.2 |
| 42Cr | 0.38-0.45 | 0.17-0.37 | 0.5-0.8 | ≤.035 | ≤0.035 | 09-1.2 |
Mechanical Properties
| Spec. | Impact Test AK.J/CM2 |
Endurance Test Times (5m) |
Dia 25mm-60mm | Dia 70mm-100mm | ||
| Surface | Core | Surface | Core | |||
| 42Cr | ≥12 | ≥10000 | ≥55 | ≥48 | ≥52 | ≥45 |
| 50Mn | ≥12 | ≥10000 | ≥56 | ≥50 | ≥55 | ≥50 |
| 60MN | ≥13 | ≥12000 | ≥58 | ≥52 | ≥58 | ≥50 |
| 65MN | ≥15 | ≥12000 | ≥62 | ≥54 | ≥58 | ≥52 |
Specification and Hardness of Forged Grinding Ball
|
Nominal diameter (mm-inches) |
Diameteical tolerance (mm) |
Weight of Single of forging ball in average |
Number of piece of One ton forging ball in average |
Surface hardness |
Impact toughness |
|
20-0.8” 25-1.0” 30-1.2” 40-1.6” 50-2.0” |
+2 -1 |
32 64 110 263 513 |
31250 15625 9090 3802 1949 |
55-67 |
>12 |
|
60-2.4” 70-2.8” 80-3.2” 90-3.6” 100-4.0” |
+3 -2 |
888 1410 2104 2996 4110 |
1126 709 475 333 243 |
||
|
110-4.4” 120-4.8” 130-5.2” |
+4 -2 |
5457 7102 9030 |
182 140 110 |
||
|
140-5.6” 150-6.0” |
+4 -3 |
11278 13871 |
88 72 |
Product Speciality
1. High Hardness 2. No Breakage 3.Good Wear Resistance 4.Even Wearing
Applied Field
1. Mines 2. Cement Plants 3. Power Station 4. Chemical Industries
CONTACT:
Laura
skype: laurac0616
tel / whatsapp: 86-18366103727
email: laura(at)
Send Inquiry to This Supplier
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